{ "url": "https://www.amazon.com.be", "auditedAt": "2026-07-26T02:14:35.985Z", "mode": "report", "status": "completed", "statusDetail": "Coverage-complete multi-template public-site audit; anonymous checkout beyond basket was not transacted.", "page": { "appType": "mpa", "framework": "Amazon server-rendered/AUI storefront", "notes": "Public Belgian commerce site. Homepage, search, product, basket, 404 and crawler/no-JS states inspected. Account-only order completion, signed-in account management and payment submission were not covered to avoid credentials/transactions." }, "evidenceUsed": [ "screenshot", "dom", "layout-metrics", "evaluate-probe", "axe-core", "lighthouse", "trace", "har", "discoverability", "headers", "cookies", "trackers", "images", "secrets", "heap-summary", "robots/sitemap fetch" ], "guidanceConsulted": [ "accessibility", "accessible-error-announcement", "adapt-scrollbar-to-contrast-preferences", "agentic-forms", "agentic-javascript-tools", "anchor-positioning-tab-underline", "animate-element-entry-exit", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "animated-select-picker", "apply-webgl-shaders", "autofill-address-form", "autofill-highlight-inputs", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "batch-analytics-events", "brand-consistent-forms", "branded-select-styling", "break-up-long-tasks", "calculate-event-differentials", "calculate-total-foreground-time", "calculate-with-intrinsic-sizes", "capture-location-agnostic-data", "carousel-slide-effects", "carousel-snap-highlights", "child-state-based-styling", "complex-shapes", "component-specific-light-dark-theme", "conditional-async-dependencies", "consistent-cross-document-transitions", "content-based-styling", "coordinate-global-events", "cross-document-transitions", "css", "css-layout", "custom-select-picker-layouts", "customize-scrollbar-color-and-thickness", "dark-mode", "declarative-dialog-popover-control", "defer-rendering-heavy-content", "defer-work-until-scroll-ends", "deliver-optimized-decorative-images", "deprioritize-background-fetches", "design-token-reactivity", "detect-initial-visibility-state", "directional-navigation-transitions", "dynamic-sibling-animations", "dynamic-sibling-styling", "efficient-background-processing", "export-html-media-from-canvas", "expose-canvas-content-to-browser-features", "faster-spa-view-transitions", "flicker-free-client-side-ab-testing", "fluid-scaling", "form-fields-automatically-fit-contents", "format-human-readable-durations", "forms", "full-session-analytics", "group-element-transitions", "highlight-text-ranges", "html", "identify-heavy-scripts", "identify-inp-causes", "improve-next-page-load-performance", "improve-text-layout-and-legibility", "individual-transform-properties", "interactions-in-complex-layouts", "interactive-content-in-3d-scenes", "interactive-content-reveal", "interest-triggered-action-previews", "interest-triggered-tooltips", "language-detection", "language-model", "light-dismiss-a-dialog", "manage-recurring-intervals", "model-partial-time-concepts", "move-dom-element-without-losing-state", "navigation-drawer", "optimize-image-priority", "optimize-preload-priority", "optimize-script-priority", "overflow-clipping-control", "parallax-scroll-effects", "passkey-authentication", "passkey-conditional-create", "passkey-management", "passkey-reauthentication", "passkey-registration", "passkeys", "performance", "persistent-app-tours", "persistent-toast-notifications", "persistent-top-layer-ui", "physics-based-easing", "platform-controls-dismiss-dialog", "position-aware-tooltips", "precise-text-alignment", "prevent-text-wrapping", "privacy", "pull-to-reveal", "reduce-style-repetition", "required-field-feedback", "resilient-context-menus-and-nested-dropdowns", "resolution-optimized-pseudo-elements", "rich-media-picker", "same-document-transitions", "schedule-tasks-by-priority", "scroll-entry-exit-effects", "scroll-position-aware-elements", "scroll-progress-indicator", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "scrollability-affordance-hints", "scrollytelling", "search-hidden-content", "security", "select-menu-interaction", "sequence-distributed-events", "shaped-cutouts", "shrinking-header-on-scroll", "size-aware-styling", "soft-edge-content-fade", "stabilize-reactive-state", "stack-drill-down", "style-parent-with-has", "summarizer", "support-global-calendar-systems", "swipe-to-remove", "translator", "validate-input-after-interaction", "visually-stable-font-fallbacks", "visually-stable-mixed-fonts", "visually-texture-content", "webmcp" ], "artifacts": [ { "type": "other", "path": "evidence/404-probe.json", "caption": "404 probe", "findingIds": [] }, { "type": "screenshot", "path": "evidence/cart-desktop.png", "caption": "cart desktop", "findingIds": [ "F03" ] }, { "type": "other", "path": "evidence/cart-probe.json", "caption": "cart probe", "findingIds": [] }, { "type": "other", "path": "evidence/home-agent-probe.json", "caption": "home agent probe", "findingIds": [ "F32" ] }, { "type": "other", "path": "evidence/home-axe.json", "caption": "home axe", "findingIds": [ "F16", "F17" ] }, { "type": "other", "path": "evidence/home-cookies.json", "caption": "home cookies", "findingIds": [ "F25", "F26" ] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark", "findingIds": [ "F01" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop", "findingIds": [ "F04", "F06", "F26" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "home discoverability crawler", "findingIds": [ "F22", "F28" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "home discoverability rendered", "findingIds": [ "F22" ] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "home discoverability", "findingIds": [ "F22", "F28" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom", "findingIds": [ "F01" ] }, { "type": "other", "path": "evidence/home-focus-targets.json", "caption": "home focus targets", "findingIds": [ "F11", "F17", "F18" ] }, { "type": "other", "path": "evidence/home-forced-colors-probe.json", "caption": "home forced colors probe", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-forced-colors.png", "caption": "home forced colors", "findingIds": [] }, { "type": "other", "path": "evidence/home-headers.json", "caption": "home headers", "findingIds": [ "F25", "F27" ] }, { "type": "heap", "path": "evidence/home-heap-baseline.heapsnapshot", "caption": "home heap baseline.heapsnapshot", "findingIds": [ "F33", "F34" ] }, { "type": "heap", "path": "evidence/home-heap-post.heapsnapshot", "caption": "home heap post.heapsnapshot", "findingIds": [ "F33", "F34" ] }, { "type": "other", "path": "evidence/home-images.json", "caption": "home images", "findingIds": [ "F20", "F30" ] }, { "type": "lighthouse", "path": "evidence/home-lighthouse-summary.json", "caption": "home lighthouse summary", "findingIds": [ "F11", "F13", "F15", "F16", "F18", "F19", "F20", "F21", "F22" ] }, { "type": "lighthouse", "path": "evidence/home-lighthouse.json", "caption": "home lighthouse", "findingIds": [ "F19", "F21" ] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "home mobile layout", "findingIds": [ "F09", "F18" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile", "findingIds": [ "F08", "F09", "F10" ] }, { "type": "other", "path": "evidence/home-motion-modern-css.json", "caption": "home motion modern css", "findingIds": [ "F02" ] }, { "type": "other", "path": "evidence/home-platform-probe.json", "caption": "home platform probe", "findingIds": [ "F03", "F04", "F05", "F07", "F10", "F29" ] }, { "type": "other", "path": "evidence/home-recon.json", "caption": "home recon", "findingIds": [] }, { "type": "other", "path": "evidence/home-secrets.json", "caption": "home secrets", "findingIds": [] }, { "type": "other", "path": "evidence/home-summary.json", "caption": "home summary", "findingIds": [ "F14", "F15", "F31" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary", "findingIds": [ "F13" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "home trace", "findingIds": [ "F13" ] }, { "type": "other", "path": "evidence/home-trackers.json", "caption": "home trackers", "findingIds": [ "F26", "F31" ] }, { "type": "har", "path": "evidence/home.har", "caption": "home.har", "findingIds": [ "F14" ] }, { "type": "screenshot", "path": "evidence/product-add-to-cart.png", "caption": "product add to cart", "findingIds": [ "F06", "F12" ] }, { "type": "screenshot", "path": "evidence/product-desktop.png", "caption": "product desktop", "findingIds": [] }, { "type": "screenshot", "path": "evidence/product-discoverability-crawler.png", "caption": "product discoverability crawler", "findingIds": [] }, { "type": "screenshot", "path": "evidence/product-discoverability-rendered.png", "caption": "product discoverability rendered", "findingIds": [] }, { "type": "discoverability", "path": "evidence/product-discoverability.json", "caption": "product discoverability", "findingIds": [ "F28" ] }, { "type": "other", "path": "evidence/product-probe.json", "caption": "product probe", "findingIds": [ "F05", "F07", "F24" ] }, { "type": "other", "path": "evidence/robots-headers.txt", "caption": "robots headers.txt", "findingIds": [] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots.txt", "findingIds": [ "F23" ] }, { "type": "screenshot", "path": "evidence/search-desktop.png", "caption": "search desktop", "findingIds": [ "F04", "F12" ] }, { "type": "other", "path": "evidence/search-probe.json", "caption": "search probe", "findingIds": [ "F08" ] }, { "type": "other", "path": "evidence/signin-probe.json", "caption": "signin probe", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap-headers.txt", "caption": "sitemap headers.txt", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "sitemap.xml", "findingIds": [ "F23" ] } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 58, "blocked": 0, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": true }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "The dark-mode screenshot remains a white/light storefront, and the DOM reports color-scheme: normal on html/body.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png", "evidence/home-dom.json" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "With prefers-reduced-motion: reduce matched, the probe found nine animations, including repeating 1.1s spinners, 2s leftToRight animations, and a 1s loading indicator.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-motion-modern-css.json" ], "findingIds": [ "F02" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "evaluate under forced-colors and prefers-contrast", "evidence": "Forced-colors/contrast emulation matched and computed controls resolved to system black/white/yellow colors with visible borders.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/home-forced-colors-probe.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "The platform probe found zero view-transition CSS rules across the loaded stylesheets; representative product/cart changes appear as abrupt page/modal swaps.", "pathIds": [ "cart" ], "artifacts": [ "evidence/home-platform-probe.json", "evidence/cart-desktop.png" ], "findingIds": [ "F03" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "recon and representative-path applicability review", "evidence": "No parallax, scrollytelling, or scroll-linked reveal behavior was present on the audited home, search, product, or cart paths.", "reason": "No parallax, scrollytelling, or scroll-linked reveal behavior was present on the audited home, search, product, or cart paths." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "medium", "method": "visual walkthrough and repeated native scroll interaction", "evidence": "Long home/search pages use native browser scrolling; the screenshots and interaction run showed no custom gesture wall or pointer-only primary action.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "The full-page screenshots show fixed, visually unchanged navigation across long home/search pages, while CSS inspection found no scroll-timeline or modern scroll-state mechanism.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/search-desktop.png", "evidence/home-platform-probe.json" ], "findingIds": [ "F04" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "issues", "confidence": "medium", "method": "direct visual/objective evidence across the representative paths", "evidence": "The product probe reports many div-based role=dialog overlays; platform inspection found zero anchor positioning rules and no popover elements.", "pathIds": [ "product" ], "artifacts": [ "evidence/product-probe.json", "evidence/home-platform-probe.json" ], "findingIds": [ "F05" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "visual walkthrough of search, product, and cart", "evidence": "Search results expose clear result/product/add controls, and cart/product states use prominent headings and modal focus cues.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/search-desktop.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Home is covered by a cookie panel; the attempted product add-to-cart state is blocked by a language modal layered above the cookie panel.", "pathIds": [ "product" ], "artifacts": [ "evidence/home-desktop.png", "evidence/product-add-to-cart.png" ], "findingIds": [ "F06" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "The product probe found 30 role=dialog nodes, almost all DIVs, while platform inspection found no dialog, popover, or details elements.", "pathIds": [ "product" ], "artifacts": [ "evidence/product-probe.json", "evidence/home-platform-probe.json" ], "findingIds": [ "F07" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "The mobile capture is a very long grid of near-identical cards with persistent global/category chrome; the search page contains 1,036 links.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/search-probe.json" ], "findingIds": [ "F08" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "The mobile layout probe found no viewport meta, an effective 1000px layout width, visual viewport 360px, and 640px horizontal overflow.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile.png" ], "findingIds": [ "F09" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Stylesheet inspection found zero container rules; the 360px capture is a scaled desktop grid rather than components adapting to available space.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-platform-probe.json", "evidence/home-mobile.png" ], "findingIds": [ "F10" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "The focus/target probe found 8x4px menu buttons and many 16px-high footer links; Lighthouse failed target-size, while focused search controls had no outline or shadow.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-focus-targets.json", "evidence/home-lighthouse-summary.json" ], "findingIds": [ "F11" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "visual and DOM walkthrough across representative paths", "evidence": "Search clearly states results for shoes; product exposes its title, price area, and Add to basket; cart exposes checkout/empty-state next actions.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/search-desktop.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Search and product pages expose Add to basket, but the attempted action ended on a stacked language prompt above consent rather than a basket confirmation.", "pathIds": [ "product" ], "artifacts": [ "evidence/search-desktop.png", "evidence/product-add-to-cart.png" ], "findingIds": [ "F12" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "404 and empty-cart state walkthrough", "evidence": "The tested unknown route shows Page Not Found plus a direct home recovery link; the empty basket explains state and offers deals/sign-in actions.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/404-probe.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Lighthouse measured FCP 8.82s, LCP 9.05s, TBT 286ms and performance 0.50; the independent trace measured LCP 5.24s. CLS was good at 0.014.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-lighthouse-summary.json", "evidence/home-trace-summary.json", "evidence/home-trace.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Lighthouse plus layout-shift observer", "evidence": "Lighthouse CLS was 0.014 and the layout observer recorded CLS 0 with no shifts during its window.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/home-lighthouse-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "trace summary corroborated by Lighthouse", "evidence": "The independent trace recorded zero >50ms long tasks and 0ms TBT; Lighthouse TBT was 286ms, below a severe-blocking threshold.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "HAR recorded 71 requests and 1.60MB transferred; its summary identifies six VeryHigh-priority parser-inserted stylesheets plus parser-inserted scripts.", "pathIds": [ "home" ], "artifacts": [ "evidence/home.har", "evidence/home-summary.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "The HAR attributes 682KB across 20 script requests, the largest resource-type transfer; Lighthouse also reports a 0.50 performance score.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-lighthouse-summary.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "axe found critical aria-allowed-attr failures on the search box and main window plus a serious title-only label on the department select; Lighthouse also failed aria roles/name matching.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-axe.json", "evidence/home-lighthouse-summary.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "pass", "confidence": "high", "method": "axe plus forced-colors probe", "evidence": "axe reported no color-contrast violation, and forced-colors emulation produced system high-contrast colors and visible control borders.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/home-forced-colors-probe.json" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "axe found no h1, invalid heading order and content outside landmarks; focus probing showed focused search controls with no outline/box-shadow.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-axe.json", "evidence/home-focus-targets.json" ], "findingIds": [ "F17" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "visual review of home, product, and cart screenshots", "evidence": "Desktop captures show readable body/product text with clear basic alignment; no text clipping issue was observed at the desktop condition.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/product-desktop.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "No viewport meta was present and the 360px condition overflowed by 640px; Lighthouse failed target-size and the probe found multiple 8x4px buttons.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-focus-targets.json", "evidence/home-lighthouse-summary.json" ], "findingIds": [ "F18" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Lighthouse’s errors-in-console audit scored 0.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-lighthouse-summary.json", "evidence/home-lighthouse.json" ], "findingIds": [ "F19" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Image audit found 18/19 images without width/height and 16 legacy-format images; Lighthouse failed image-aspect-ratio.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/home-lighthouse-summary.json" ], "findingIds": [ "F20" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Lighthouse failed both deprecations and inspector-issues.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-lighthouse-summary.json", "evidence/home-lighthouse.json" ], "findingIds": [ "F21" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "DOM/evaluate metadata inspection", "evidence": "Home and product probes contain descriptive titles and meta descriptions; product content matched its title.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/product-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Discoverability fetched HTTP 202 with only 1% rendered-word coverage and classified the homepage as a JS shell; Lighthouse failed crawlable-anchors and the DOM contains javascript:void(0) links.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-rendered.png", "evidence/home-discoverability-crawler.png", "evidence/home-lighthouse-summary.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "A direct fetch of /sitemap.xml returned a French “Page introuvable” HTML document rather than an XML sitemap, while robots.txt is present.", "pathIds": [ "home" ], "artifacts": [ "evidence/sitemap.xml", "evidence/robots.txt" ], "findingIds": [ "F23" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "The product probe found zero JSON-LD and zero Open Graph tags despite a visible product entity; title, description and canonical were present.", "pathIds": [ "product" ], "artifacts": [ "evidence/product-probe.json" ], "findingIds": [ "F24" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Headers probe found no CSP, HSTS, nosniff, frame protection, Referrer-Policy or Permissions-Policy. Six of seven cookies were flagged insecure; session-id/session-id-time lacked HttpOnly and used SameSite=None.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "findingIds": [ "F25" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "The consent copy states 129 third parties; the tracker probe saw five third-party origins before choice, and six cookies use SameSite=None with roughly year-long expiry.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trackers.json", "evidence/home-cookies.json", "evidence/home-desktop.png" ], "findingIds": [ "F26" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "medium", "method": "visual walkthrough and platform probe", "evidence": "No permission prompt appeared on load and no permission-requesting code/state was observed on the anonymous audited paths; authentication was not forced for browsing.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/home-platform-probe.json" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "No HSTS, clickjacking protection, CSP/frame-ancestors, Referrer-Policy or Permissions-Policy was observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json" ], "findingIds": [ "F27" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Raw no-JS homepage HTML produced only 1% content coverage and a crawler screenshot that does not represent the rendered storefront, while the product page achieved 91%.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-crawler.png", "evidence/product-discoverability.json" ], "findingIds": [ "F28" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "multi-path visual/DOM walkthrough", "evidence": "Search, product and cart rendered usable content; tested 404 state recovered to home, and no blank runtime shell occurred in browser rendering.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/404-probe.json" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "A service worker controlled the page, but platform inspection found no web app manifest link.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-platform-probe.json" ], "findingIds": [ "F29" ] }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "invalid-route evaluate probe", "evidence": "The intentionally invalid route shows a clear not-found message and a working home recovery link instead of a blank shell.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/404-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "high", "method": "DOM/platform inspection and locale dialog screenshot", "evidence": "Audited pages declare lang=en-gb, expose English/French/Dutch locale choice, and stylesheet inspection found 22 logical-property rules.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/home-platform-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "high", "method": "visual review of localized home/search/product paths", "evidence": "The localized English-Belgium storefront consistently renders euro pricing and offers explicit Belgian language choice across commerce paths.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/search-desktop.png" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "recon and representative-path applicability review", "evidence": "No event time, appointment, recurring schedule, or other time-zone-sensitive value appears in the audited commerce paths.", "reason": "No event time, appointment, recurring schedule, or other time-zone-sensitive value appears in the audited commerce paths." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "visual review of consent and cart states", "evidence": "The consent panel presents Accept, Decline, and Customise together without confirmshaming; empty basket and pricing/checkout labels are direct.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "not-applicable", "confidence": "high", "method": "recon and representative-path applicability review", "evidence": "The audited anonymous search/product/cart surfaces did not expose a user-editable required-data form with a meaningful invalid-submission state.", "reason": "The audited anonymous search/product/cart surfaces did not expose a user-editable required-data form with a meaningful invalid-submission state." }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "pass", "confidence": "high", "method": "DOM form inspection", "evidence": "Search input has an accessible Search Amazon.com.be name and cart/search controls use native input/select elements; no paste prevention was observed.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/cart-probe.json" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "pass", "confidence": "high", "method": "product/cart visual and DOM walkthrough", "evidence": "Product action and basket/checkout commitments are plainly labeled; empty basket does not fabricate charges and offers reversible navigation.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/cart-desktop.png" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Image inspection found 16 legacy-format images, no modern-format images, five without srcset, and 18 without width/height.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json" ], "findingIds": [ "F30" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "pass", "confidence": "high", "method": "trace plus visual review", "evidence": "The trace recorded no long tasks or ongoing blocking work in the measured load window, and no autoplay background media was visible on home.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/home-trace-summary.json" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "direct visual/objective evidence across the representative paths", "evidence": "Initial load transferred 1.60MB; scripts contributed 682KB and the tracker probe saw five third-party origins.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-trackers.json" ], "findingIds": [ "F31" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "medium", "method": "direct visual/objective evidence across the representative paths", "evidence": "The agent probe found no navigator modelContext/WebMCP surface and no forms carrying tool/agent metadata; the homepage also has no JSON-LD.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-agent-probe.json" ], "findingIds": [ "F32" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "recon and representative-path applicability review", "evidence": "The audited shopping paths do not present a summarisation or generative task whose execution location can be meaningfully judged.", "reason": "The audited shopping paths do not present a summarisation or generative task whose execution location can be meaningfully judged." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "issues", "confidence": "medium", "method": "direct visual/objective evidence across the representative paths", "evidence": "After ten bottom/top scroll cycles, heap self-size was 28.93MB vs 25.66MB baseline (+3.27MB, +12.7%) and node count rose by 6,381. Separate clean browser loads make this a medium-confidence signal, not a proven leak trace.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-heap-baseline.heapsnapshot", "evidence/home-heap-post.heapsnapshot" ], "findingIds": [ "F33" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "medium", "method": "direct visual/objective evidence across the representative paths", "evidence": "Baseline heap summary contained 416,574 nodes/25.66MB self-size; post-scroll reached 422,955 nodes/28.93MB. This is high for a storefront landing state.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-heap-baseline.heapsnapshot", "evidence/home-heap-post.heapsnapshot" ], "findingIds": [ "F34" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "before/after heap-summary constructor comparison", "evidence": "Neither baseline nor post-interaction top-constructor summaries contain a Detached* population, and closures increased only 52 across the clean-load comparison.", "pathIds": [ "home", "product", "search", "cart" ], "artifacts": [ "evidence/home-heap-post.heapsnapshot" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F01", "F02" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F03" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F04", "F05" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F06", "F07", "F08" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F09", "F10", "F11" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "issues", "findingIds": [ "F12" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F13", "F14", "F15" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F16", "F17", "F18" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F19", "F20", "F21" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F22", "F23", "F24" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F25", "F26", "F27" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F28", "F29" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "pass" }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F30", "F31" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "F32" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F33", "F34" ] } ], "paths": [ { "id": "home", "description": "Homepage/landing template, global navigation, first-visit consent, preferences, mobile layout, load/network/security, no-JS and memory conditions. Represents global storefront chrome.", "url": "https://www.amazon.com.be", "conditions": [ "desktop", "viewport: 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "forced-colors: active", "no JavaScript crawler" ], "result": "issues" }, { "id": "search", "description": "Search/listing template for a high-volume product discovery journey; represents result grids and add-to-basket actions.", "url": "https://www.amazon.com.be/s?k=shoes&language=en_GB", "conditions": [ "desktop", "anonymous first visit" ], "result": "issues" }, { "id": "product", "description": "Product detail template and attempted Add to basket interaction; also checked server/no-JS content.", "url": "https://www.amazon.com.be/-/en/echo-show-5/dp/B09B2S8WKD/", "conditions": [ "desktop", "anonymous first visit", "no JavaScript crawler", "add-to-basket attempt" ], "result": "issues" }, { "id": "cart", "description": "Basket/checkout-entry template and empty-state recovery; represents commercial continuation without submitting a transaction.", "url": "https://www.amazon.com.be/-/en/gp/cart/view.html", "conditions": [ "desktop", "anonymous" ], "result": "issues" }, { "id": "not-found", "description": "Invalid-route failure state used to judge recovery behavior.", "url": "https://www.amazon.com.be/this-route-does-not-exist-web-uplift", "conditions": [ "desktop" ], "result": "pass" } ], "findings": [ { "id": "F01", "severity": "medium", "confidence": "high", "summary": "The storefront does not adapt to the user’s dark color preference.", "evidence": "The dark-mode screenshot remains a white/light storefront, and the DOM reports color-scheme: normal on html/body.", "suggestedFix": "Declare color-scheme and provide preference-driven light/dark surface, text, border, and control colors.", "effort": "medium", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-dark.png", "evidence/home-dom.json" ] }, { "id": "F02", "severity": "medium", "confidence": "high", "summary": "Continuous animations remain active under reduced-motion.", "evidence": "With prefers-reduced-motion: reduce matched, the probe found nine animations, including repeating 1.1s spinners, 2s leftToRight animations, and a 1s loading indicator.", "suggestedFix": "Use prefers-reduced-motion to stop non-essential loops and replace movement with static state changes.", "effort": "small", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-motion-modern-css.json" ] }, { "id": "F03", "severity": "low", "confidence": "high", "summary": "State and route changes do not use View Transitions.", "evidence": "The platform probe found zero view-transition CSS rules across the loaded stylesheets; representative product/cart changes appear as abrupt page/modal swaps.", "suggestedFix": "Use same-document or cross-document View Transitions for meaningful navigation/state changes, with reduced-motion fallbacks.", "effort": "medium", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "pathId": "cart", "url": "https://www.amazon.com.be/-/en/gp/cart/view.html", "artifacts": [ "evidence/home-platform-probe.json", "evidence/cart-desktop.png" ] }, { "id": "F04", "severity": "low", "confidence": "high", "summary": "Navigation chrome does not communicate scroll state.", "evidence": "The full-page screenshots show fixed, visually unchanged navigation across long home/search pages, while CSS inspection found no scroll-timeline or modern scroll-state mechanism.", "suggestedFix": "Add a restrained sticky-header state or progress/scrollability cue where long listings benefit.", "effort": "small", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "shrinking-header-on-scroll", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-desktop.png", "evidence/search-desktop.png", "evidence/home-platform-probe.json" ] }, { "id": "F05", "severity": "low", "confidence": "medium", "summary": "Menus and overlays use custom positioning rather than anchor-aware primitives.", "evidence": "The product probe reports many div-based role=dialog overlays; platform inspection found zero anchor positioning rules and no popover elements.", "suggestedFix": "Use popover plus CSS anchor positioning/position-try for transient menus and tooltips, retaining a fallback.", "effort": "medium", "principleId": "provide-guided-navigation", "principleCheckId": "anchored-positioning", "guidanceId": "position-aware-tooltips", "pathId": "product", "url": "https://www.amazon.com.be/-/en/echo-show-5/dp/B09B2S8WKD/", "artifacts": [ "evidence/product-probe.json", "evidence/home-platform-probe.json" ] }, { "id": "F06", "severity": "high", "confidence": "high", "summary": "Stacked consent and language prompts obstruct the primary commerce journey.", "evidence": "Home is covered by a cookie panel; the attempted product add-to-cart state is blocked by a language modal layered above the cookie panel.", "suggestedFix": "Consolidate first-visit choices, remember locale earlier, avoid stacked prompts, and allow the product action to remain reachable.", "effort": "medium", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "pathId": "product", "url": "https://www.amazon.com.be/-/en/echo-show-5/dp/B09B2S8WKD/", "artifacts": [ "evidence/home-desktop.png", "evidence/product-add-to-cart.png" ] }, { "id": "F07", "severity": "medium", "confidence": "high", "summary": "Overlay implementation relies heavily on generic div/form dialogs.", "evidence": "The product probe found 30 role=dialog nodes, almost all DIVs, while platform inspection found no dialog, popover, or details elements.", "suggestedFix": "Migrate modal flows to dialog and transient surfaces to popover with native focus, top-layer, and dismiss behavior.", "effort": "large", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "pathId": "product", "url": "https://www.amazon.com.be/-/en/echo-show-5/dp/B09B2S8WKD/", "artifacts": [ "evidence/product-probe.json", "evidence/home-platform-probe.json" ] }, { "id": "F08", "severity": "medium", "confidence": "high", "summary": "Dense repeated merchandising chrome overwhelms content hierarchy.", "evidence": "The mobile capture is a very long grid of near-identical cards with persistent global/category chrome; the search page contains 1,036 links.", "suggestedFix": "Reduce repeated navigation and card chrome, prioritize a smaller set of meaningful recommendations, and progressively disclose secondary groups.", "effort": "large", "principleId": "maximize-content-reduce-noise", "principleCheckId": "reduced-chrome", "guidanceId": "overflow-clipping-control", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-mobile.png", "evidence/search-probe.json" ] }, { "id": "F09", "severity": "critical", "confidence": "high", "summary": "The page is not reflowable at a 360px viewport.", "evidence": "The mobile layout probe found no viewport meta, an effective 1000px layout width, visual viewport 360px, and 640px horizontal overflow.", "suggestedFix": "Add a correct viewport meta tag and implement intrinsic/fluid layouts that reflow without a desktop-width canvas.", "effort": "large", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile.png" ] }, { "id": "F10", "severity": "medium", "confidence": "high", "summary": "Reusable cards do not use component-level responsiveness.", "evidence": "Stylesheet inspection found zero container rules; the 360px capture is a scaled desktop grid rather than components adapting to available space.", "suggestedFix": "Define containment on reusable regions and use size/container queries for card density, type, and action layout.", "effort": "medium", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-platform-probe.json", "evidence/home-mobile.png" ] }, { "id": "F11", "severity": "high", "confidence": "high", "summary": "Multiple interactive targets are too small and some focus states are absent.", "evidence": "The focus/target probe found 8x4px menu buttons and many 16px-high footer links; Lighthouse failed target-size, while focused search controls had no outline or shadow.", "suggestedFix": "Enlarge hit areas to at least 24px with spacing (prefer 44px for primary touch controls) and preserve visible :focus-visible styles.", "effort": "medium", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-focus-targets.json", "evidence/home-lighthouse-summary.json" ] }, { "id": "F12", "severity": "high", "confidence": "high", "summary": "The representative browse-to-basket flow is interrupted before the primary action completes.", "evidence": "Search and product pages expose Add to basket, but the attempted action ended on a stacked language prompt above consent rather than a basket confirmation.", "suggestedFix": "Resolve locale before the product action, prevent prompt stacking, and preserve/replay the user’s pending add-to-basket intent.", "effort": "large", "principleId": "support-core-task-success", "principleCheckId": "primary-flow-completion", "guidanceId": "primary user journey task completion", "pathId": "product", "url": "https://www.amazon.com.be/-/en/echo-show-5/dp/B09B2S8WKD/", "artifacts": [ "evidence/search-desktop.png", "evidence/product-add-to-cart.png" ] }, { "id": "F13", "severity": "high", "confidence": "high", "summary": "Cold-load paint performance is poor.", "evidence": "Lighthouse measured FCP 8.82s, LCP 9.05s, TBT 286ms and performance 0.50; the independent trace measured LCP 5.24s. CLS was good at 0.014.", "suggestedFix": "Prioritize the LCP asset, reduce render-blocking work, and defer non-critical scripts/cards until after initial content.", "effort": "large", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-lighthouse-summary.json", "evidence/home-trace-summary.json", "evidence/home-trace.json" ] }, { "id": "F14", "severity": "high", "confidence": "high", "summary": "The critical path contains many parser-blocking styles and scripts.", "evidence": "HAR recorded 71 requests and 1.60MB transferred; its summary identifies six VeryHigh-priority parser-inserted stylesheets plus parser-inserted scripts.", "suggestedFix": "Consolidate critical CSS, defer non-critical styles, and make non-critical scripts async/defer while preserving dependency order.", "effort": "large", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-script-priority", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home.har", "evidence/home-summary.json" ] }, { "id": "F15", "severity": "medium", "confidence": "high", "summary": "JavaScript dominates the transferred resource budget.", "evidence": "The HAR attributes 682KB across 20 script requests, the largest resource-type transfer; Lighthouse also reports a 0.50 performance score.", "suggestedFix": "Measure coverage, remove unused/legacy bundles, conditionally load feature and recommendation code, and constrain third-party/runtime cost.", "effort": "large", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-summary.json", "evidence/home-lighthouse-summary.json" ] }, { "id": "F16", "severity": "high", "confidence": "high", "summary": "Core controls expose invalid ARIA and weak labeling.", "evidence": "axe found critical aria-allowed-attr failures on the search box and main window plus a serious title-only label on the department select; Lighthouse also failed aria roles/name matching.", "suggestedFix": "Correct role/ARIA combinations and provide visible labels whose text matches accessible names.", "effort": "medium", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-axe.json", "evidence/home-lighthouse-summary.json" ] }, { "id": "F17", "severity": "medium", "confidence": "high", "summary": "The homepage has an incomplete semantic structure and inconsistent focus visibility.", "evidence": "axe found no h1, invalid heading order and content outside landmarks; focus probing showed focused search controls with no outline/box-shadow.", "suggestedFix": "Add a meaningful h1, repair heading/landmark hierarchy, and provide a consistent high-contrast :focus-visible indicator.", "effort": "medium", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-axe.json", "evidence/home-focus-targets.json" ] }, { "id": "F18", "severity": "high", "confidence": "high", "summary": "Zoom/reflow and target-size support fail on the audited mobile condition.", "evidence": "No viewport meta was present and the 360px condition overflowed by 640px; Lighthouse failed target-size and the probe found multiple 8x4px buttons.", "suggestedFix": "Permit normal scaling, add the viewport meta, reflow at narrow widths, and enlarge target boxes.", "effort": "large", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "fluid-scaling", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-focus-targets.json", "evidence/home-lighthouse-summary.json" ] }, { "id": "F19", "severity": "medium", "confidence": "high", "summary": "Browser errors are logged during page load.", "evidence": "Lighthouse’s errors-in-console audit scored 0.", "suggestedFix": "Eliminate uncaught/runtime and failed-resource errors, and gate expected diagnostics so production loads cleanly.", "effort": "medium", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-lighthouse-summary.json", "evidence/home-lighthouse.json" ] }, { "id": "F20", "severity": "medium", "confidence": "high", "summary": "Image delivery has sizing, aspect-ratio, and format hygiene gaps.", "evidence": "Image audit found 18/19 images without width/height and 16 legacy-format images; Lighthouse failed image-aspect-ratio.", "suggestedFix": "Reserve image space with width/height or aspect-ratio and serve responsive modern formats without distorting intrinsic ratios.", "effort": "medium", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "css", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-images.json", "evidence/home-lighthouse-summary.json" ] }, { "id": "F21", "severity": "medium", "confidence": "high", "summary": "Deprecated APIs and DevTools inspector issues are present.", "evidence": "Lighthouse failed both deprecations and inspector-issues.", "suggestedFix": "Replace deprecated APIs and resolve reported DevTools issues; verify BFCache and source-map hygiene afterward.", "effort": "medium", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-lighthouse-summary.json", "evidence/home-lighthouse.json" ] }, { "id": "F22", "severity": "high", "confidence": "high", "summary": "Homepage content is largely unavailable to non-JavaScript crawlers and some links are non-crawlable.", "evidence": "Discoverability fetched HTTP 202 with only 1% rendered-word coverage and classified the homepage as a JS shell; Lighthouse failed crawlable-anchors and the DOM contains javascript:void(0) links.", "suggestedFix": "Return meaningful server-rendered homepage HTML with status 200 and use real href links for navigable destinations.", "effort": "large", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-rendered.png", "evidence/home-discoverability-crawler.png", "evidence/home-lighthouse-summary.json" ] }, { "id": "F23", "severity": "medium", "confidence": "high", "summary": "The advertised sitemap endpoint returns a branded not-found page.", "evidence": "A direct fetch of /sitemap.xml returned a French “Page introuvable” HTML document rather than an XML sitemap, while robots.txt is present.", "suggestedFix": "Publish a valid sitemap index and reference it from robots.txt; ensure localized canonical/hreflang signals agree.", "effort": "small", "principleId": "be-discoverable", "principleCheckId": "canonical-and-indexing-signals", "guidanceId": "html", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/sitemap.xml", "evidence/robots.txt" ] }, { "id": "F24", "severity": "medium", "confidence": "high", "summary": "The product page lacks machine-readable product and social metadata.", "evidence": "The product probe found zero JSON-LD and zero Open Graph tags despite a visible product entity; title, description and canonical were present.", "suggestedFix": "Add accurate Product JSON-LD and Open Graph/Twitter metadata matching visible price, availability, image, and identity.", "effort": "medium", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "pathId": "product", "url": "https://www.amazon.com.be/-/en/echo-show-5/dp/B09B2S8WKD/", "artifacts": [ "evidence/product-probe.json" ] }, { "id": "F25", "severity": "critical", "confidence": "high", "summary": "Security headers and cookie attributes are materially weak.", "evidence": "Headers probe found no CSP, HSTS, nosniff, frame protection, Referrer-Policy or Permissions-Policy. Six of seven cookies were flagged insecure; session-id/session-id-time lacked HttpOnly and used SameSite=None.", "suggestedFix": "Deploy a restrictive CSP, HSTS, nosniff, frame-ancestors, Referrer/Permissions Policy, and harden cookies with Secure, HttpOnly, and the narrowest SameSite.", "effort": "large", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ] }, { "id": "F26", "severity": "medium", "confidence": "high", "summary": "The first-visit privacy footprint is broad and long-lived.", "evidence": "The consent copy states 129 third parties; the tracker probe saw five third-party origins before choice, and six cookies use SameSite=None with roughly year-long expiry.", "suggestedFix": "Minimize pre-consent requests/cookies, shorten retention, batch telemetry, and document a necessity/value justification per third party.", "effort": "large", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-trackers.json", "evidence/home-cookies.json", "evidence/home-desktop.png" ] }, { "id": "F27", "severity": "high", "confidence": "high", "summary": "Browser-enforced defensive policies are absent.", "evidence": "No HSTS, clickjacking protection, CSP/frame-ancestors, Referrer-Policy or Permissions-Policy was observed.", "suggestedFix": "Set HSTS; enforce frame-ancestors; adopt CSP/Trusted Types where feasible; and explicitly minimize referrer and permission capabilities.", "effort": "medium", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-headers.json" ] }, { "id": "F28", "severity": "high", "confidence": "high", "summary": "The homepage does not progressively expose core merchandising content.", "evidence": "Raw no-JS homepage HTML produced only 1% content coverage and a crawler screenshot that does not represent the rendered storefront, while the product page achieved 91%.", "suggestedFix": "Serve the homepage’s core navigation and merchandising HTML from the server as the product template already does, then enhance it with JavaScript.", "effort": "large", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "stabilize-reactive-state", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-crawler.png", "evidence/product-discoverability.json" ] }, { "id": "F29", "severity": "medium", "confidence": "high", "summary": "The app-like commerce experience is not installable.", "evidence": "A service worker controlled the page, but platform inspection found no web app manifest link.", "suggestedFix": "Provide a complete manifest and a deliberate offline/failure fallback for navigation and basket recovery, or explicitly scope installability out.", "effort": "medium", "principleId": "be-resilient", "principleCheckId": "offline-and-installable", "guidanceId": "conditional-async-dependencies", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-platform-probe.json" ] }, { "id": "F30", "severity": "medium", "confidence": "high", "summary": "Most homepage imagery uses legacy formats and lacks explicit dimensions.", "evidence": "Image inspection found 16 legacy-format images, no modern-format images, five without srcset, and 18 without width/height.", "suggestedFix": "Serve AVIF/WebP responsive sources at display-appropriate resolutions and reserve intrinsic space.", "effort": "medium", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-images.json" ] }, { "id": "F31", "severity": "medium", "confidence": "high", "summary": "Script and external-origin cost is high for the initial storefront view.", "evidence": "Initial load transferred 1.60MB; scripts contributed 682KB and the tracker probe saw five third-party origins.", "suggestedFix": "Set a per-template resource budget, defer non-essential recommendation/media code, and reduce external-origin requests before interaction.", "effort": "large", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-summary.json", "evidence/home-trackers.json" ] }, { "id": "F32", "severity": "low", "confidence": "medium", "summary": "Commerce capabilities are not exposed as structured agent tools.", "evidence": "The agent probe found no navigator modelContext/WebMCP surface and no forms carrying tool/agent metadata; the homepage also has no JSON-LD.", "suggestedFix": "For agentic commerce use cases, expose narrowly scoped, confirmable product/search/basket tools and retain normal accessible forms as fallback.", "effort": "large", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-agent-probe.json" ] }, { "id": "F33", "severity": "medium", "confidence": "medium", "summary": "Repeated long-page scrolling retained measurable additional heap.", "evidence": "After ten bottom/top scroll cycles, heap self-size was 28.93MB vs 25.66MB baseline (+3.27MB, +12.7%) and node count rose by 6,381. Separate clean browser loads make this a medium-confidence signal, not a proven leak trace.", "suggestedFix": "Profile the repeated scroll/recommendation lifecycle in one session with baseline/target/final snapshots; release stale card/media objects and observers.", "effort": "large", "principleId": "be-memory-efficient", "principleCheckId": "no-leak-under-repeated-interaction", "guidanceId": "manage-recurring-intervals", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-heap-baseline.heapsnapshot", "evidence/home-heap-post.heapsnapshot" ] }, { "id": "F34", "severity": "medium", "confidence": "medium", "summary": "The homepage has a large initial DOM/heap footprint.", "evidence": "Baseline heap summary contained 416,574 nodes/25.66MB self-size; post-scroll reached 422,955 nodes/28.93MB. This is high for a storefront landing state.", "suggestedFix": "Virtualize/defer below-fold merchandising modules and audit native node/object retention against a page budget.", "effort": "large", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "defer-rendering-heavy-content", "pathId": "home", "url": "https://www.amazon.com.be", "artifacts": [ "evidence/home-heap-baseline.heapsnapshot", "evidence/home-heap-post.heapsnapshot" ] } ], "taskList": [ { "id": "T01", "title": "Add a correct viewport meta tag and implement intrinsic/fluid layouts that reflow without a desktop-width canvas.", "priority": 1, "findingIds": [ "F09" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T02", "title": "Deploy a restrictive CSP, HSTS, nosniff, frame-ancestors, Referrer/Permissions Policy, and harden cookies with Secure, HttpOnly, and the narrowest SameSite.", "priority": 2, "findingIds": [ "F25" ], "guidanceId": "security", "status": "open" }, { "id": "T03", "title": "Consolidate first-visit choices, remember locale earlier, avoid stacked prompts, and allow the product action to remain reachable.", "priority": 3, "findingIds": [ "F06" ], "guidanceId": "light-dismiss-a-dialog", "status": "open" }, { "id": "T04", "title": "Enlarge hit areas to at least 24px with spacing (prefer 44px for primary touch controls) and preserve visible :focus-visible styles.", "priority": 4, "findingIds": [ "F11" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T05", "title": "Resolve locale before the product action, prevent prompt stacking, and preserve/replay the user’s pending add-to-basket intent.", "priority": 5, "findingIds": [ "F12" ], "guidanceId": "primary user journey task completion", "status": "open" }, { "id": "T06", "title": "Prioritize the LCP asset, reduce render-blocking work, and defer non-critical scripts/cards until after initial content.", "priority": 6, "findingIds": [ "F13" ], "guidanceId": "performance", "status": "open" }, { "id": "T07", "title": "Consolidate critical CSS, defer non-critical styles, and make non-critical scripts async/defer while preserving dependency order.", "priority": 7, "findingIds": [ "F14" ], "guidanceId": "optimize-script-priority", "status": "open" }, { "id": "T08", "title": "Correct role/ARIA combinations and provide visible labels whose text matches accessible names.", "priority": 8, "findingIds": [ "F16" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T09", "title": "Permit normal scaling, add the viewport meta, reflow at narrow widths, and enlarge target boxes.", "priority": 9, "findingIds": [ "F18" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T10", "title": "Return meaningful server-rendered homepage HTML with status 200 and use real href links for navigable destinations.", "priority": 10, "findingIds": [ "F22" ], "guidanceId": "html", "status": "open" }, { "id": "T11", "title": "Set HSTS; enforce frame-ancestors; adopt CSP/Trusted Types where feasible; and explicitly minimize referrer and permission capabilities.", "priority": 11, "findingIds": [ "F27" ], "guidanceId": "security", "status": "open" }, { "id": "T12", "title": "Serve the homepage’s core navigation and merchandising HTML from the server as the product template already does, then enhance it with JavaScript.", "priority": 12, "findingIds": [ "F28" ], "guidanceId": "stabilize-reactive-state", "status": "open" }, { "id": "T13", "title": "Declare color-scheme and provide preference-driven light/dark surface, text, border, and control colors.", "priority": 13, "findingIds": [ "F01" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T14", "title": "Use prefers-reduced-motion to stop non-essential loops and replace movement with static state changes.", "priority": 14, "findingIds": [ "F02" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T15", "title": "Migrate modal flows to dialog and transient surfaces to popover with native focus, top-layer, and dismiss behavior.", "priority": 15, "findingIds": [ "F07" ], "guidanceId": "declarative-dialog-popover-control", "status": "open" }, { "id": "T16", "title": "Reduce repeated navigation and card chrome, prioritize a smaller set of meaningful recommendations, and progressively disclose secondary groups.", "priority": 16, "findingIds": [ "F08" ], "guidanceId": "overflow-clipping-control", "status": "open" }, { "id": "T17", "title": "Define containment on reusable regions and use size/container queries for card density, type, and action layout.", "priority": 17, "findingIds": [ "F10" ], "guidanceId": "size-aware-styling", "status": "open" }, { "id": "T18", "title": "Measure coverage, remove unused/legacy bundles, conditionally load feature and recommendation code, and constrain third-party/runtime cost.", "priority": 18, "findingIds": [ "F15" ], "guidanceId": "identify-heavy-scripts", "status": "open" }, { "id": "T19", "title": "Add a meaningful h1, repair heading/landmark hierarchy, and provide a consistent high-contrast :focus-visible indicator.", "priority": 19, "findingIds": [ "F17" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T20", "title": "Eliminate uncaught/runtime and failed-resource errors, and gate expected diagnostics so production loads cleanly.", "priority": 20, "findingIds": [ "F19" ], "guidanceId": "html", "status": "open" }, { "id": "T21", "title": "Reserve image space with width/height or aspect-ratio and serve responsive modern formats without distorting intrinsic ratios.", "priority": 21, "findingIds": [ "F20" ], "guidanceId": "css", "status": "open" }, { "id": "T22", "title": "Replace deprecated APIs and resolve reported DevTools issues; verify BFCache and source-map hygiene afterward.", "priority": 22, "findingIds": [ "F21" ], "guidanceId": "html", "status": "open" }, { "id": "T23", "title": "Publish a valid sitemap index and reference it from robots.txt; ensure localized canonical/hreflang signals agree.", "priority": 23, "findingIds": [ "F23" ], "guidanceId": "html", "status": "open" }, { "id": "T24", "title": "Add accurate Product JSON-LD and Open Graph/Twitter metadata matching visible price, availability, image, and identity.", "priority": 24, "findingIds": [ "F24" ], "guidanceId": "html", "status": "open" }, { "id": "T25", "title": "Minimize pre-consent requests/cookies, shorten retention, batch telemetry, and document a necessity/value justification per third party.", "priority": 25, "findingIds": [ "F26" ], "guidanceId": "privacy", "status": "open" }, { "id": "T26", "title": "Provide a complete manifest and a deliberate offline/failure fallback for navigation and basket recovery, or explicitly scope installability out.", "priority": 26, "findingIds": [ "F29" ], "guidanceId": "conditional-async-dependencies", "status": "open" }, { "id": "T27", "title": "Serve AVIF/WebP responsive sources at display-appropriate resolutions and reserve intrinsic space.", "priority": 27, "findingIds": [ "F30" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T28", "title": "Set a per-template resource budget, defer non-essential recommendation/media code, and reduce external-origin requests before interaction.", "priority": 28, "findingIds": [ "F31" ], "guidanceId": "deprioritize-background-fetches", "status": "open" }, { "id": "T29", "title": "Profile the repeated scroll/recommendation lifecycle in one session with baseline/target/final snapshots; release stale card/media objects and observers.", "priority": 29, "findingIds": [ "F33" ], "guidanceId": "manage-recurring-intervals", "status": "open" }, { "id": "T30", "title": "Virtualize/defer below-fold merchandising modules and audit native node/object retention against a page budget.", "priority": 30, "findingIds": [ "F34" ], "guidanceId": "defer-rendering-heavy-content", "status": "open" }, { "id": "T31", "title": "Use same-document or cross-document View Transitions for meaningful navigation/state changes, with reduced-motion fallbacks.", "priority": 31, "findingIds": [ "F03" ], "guidanceId": "same-document-transitions", "status": "open" }, { "id": "T32", "title": "Add a restrained sticky-header state or progress/scrollability cue where long listings benefit.", "priority": 32, "findingIds": [ "F04" ], "guidanceId": "shrinking-header-on-scroll", "status": "open" }, { "id": "T33", "title": "Use popover plus CSS anchor positioning/position-try for transient menus and tooltips, retaining a fallback.", "priority": 33, "findingIds": [ "F05" ], "guidanceId": "position-aware-tooltips", "status": "open" }, { "id": "T34", "title": "For agentic commerce use cases, expose narrowly scoped, confirmable product/search/basket tools and retain normal accessible forms as fallback.", "priority": 34, "findingIds": [ "F32" ], "guidanceId": "webmcp", "status": "open" } ], "budget": { "pathCount": 5, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-26T02-14-35-985Z" }