{ "url": "https://www.amazon.fr", "auditedAt": "2026-07-21T18:28:52.107Z", "mode": "report", "status": "completed", "statusDetail": "Coverage-complete anonymous audit. Authenticated account management, payment submission, order placement and seller surfaces were excluded because they require credentials or create transactional risk.", "page": { "appType": "hybrid", "framework": "Amazon server templates with extensive client-side AUI/Rush enhancement", "notes": "Public French retail site served in en-GB due audit geolocation. Five representative anonymous paths sampled." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "layout-metrics", "trace", "har", "headers", "cookies", "trackers", "secrets", "images", "discoverability", "heap-summary", "lighthouse", "HTTP robots/sitemap/404 probes", "Modern Web Guidance" ], "guidanceConsulted": [ "dark-mode", "accessibility", "same-document-transitions", "scrollability-affordance-hints", "declarative-dialog-popover-control", "fluid-scaling", "size-aware-styling", "forms", "performance", "optimize-image-priority", "break-up-long-tasks", "improve-text-layout-and-legibility", "html", "security", "privacy", "passkeys", "stabilize-reactive-state", "translator", "autofill-payment-form", "deliver-optimized-decorative-images", "webmcp", "manage-recurring-intervals", "light-dismiss-a-dialog", "identify-heavy-scripts", "efficient-background-processing", "deprioritize-background-fetches", "autofill-sign-in-form" ], "artifacts": [ { "type": "screenshot", "path": "evidence/404.png", "caption": "404", "findingIds": [] }, { "type": "screenshot", "path": "evidence/cart-desktop.png", "caption": "cart desktop", "findingIds": [] }, { "type": "other", "path": "evidence/cookies.json", "caption": "cookies", "findingIds": [ "F24" ] }, { "type": "other", "path": "evidence/coverage-manifest-plan.json", "caption": "coverage manifest plan", "findingIds": [] }, { "type": "screenshot", "path": "evidence/discoverability-crawler.png", "caption": "discoverability crawler", "findingIds": [ "F21", "F28" ] }, { "type": "screenshot", "path": "evidence/discoverability-rendered.png", "caption": "discoverability rendered", "findingIds": [ "F21", "F28" ] }, { "type": "discoverability", "path": "evidence/discoverability.json", "caption": "discoverability", "findingIds": [ "F21", "F28", "F34" ] }, { "type": "other", "path": "evidence/guidance-retrieved.md", "caption": "guidance retrieved", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches.txt", "caption": "guidance searches", "findingIds": [] }, { "type": "other", "path": "evidence/headers.json", "caption": "headers", "findingIds": [ "F24", "F27" ] }, { "type": "heap", "path": "evidence/heap-baseline.heapsnapshot", "caption": "heap baseline", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-post.heapsnapshot", "caption": "heap post", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark", "findingIds": [ "F01" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop", "findingIds": [ "F03", "F05", "F07", "F25" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-high-contrast.png", "caption": "home high contrast", "findingIds": [] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "home mobile layout", "findingIds": [ "F08", "F11", "F16" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile", "findingIds": [ "F03", "F08", "F16" ] }, { "type": "dom", "path": "evidence/home-probe.json", "caption": "home probe", "findingIds": [ "F01", "F02", "F03", "F04", "F06", "F07", "F09", "F10", "F12", "F15", "F22", "F23", "F29", "F34" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "home summary", "findingIds": [ "F12", "F13", "F25", "F32", "F33" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary", "findingIds": [] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "home trace", "findingIds": [] }, { "type": "har", "path": "evidence/home.har", "caption": "home", "findingIds": [ "F12", "F13", "F32", "F33" ] }, { "type": "dom", "path": "evidence/http-probes.json", "caption": "http probes", "findingIds": [ "F22", "F34" ] }, { "type": "other", "path": "evidence/images.json", "caption": "images", "findingIds": [ "F11", "F18", "F31" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-home.json", "caption": "lighthouse home", "findingIds": [ "F10", "F14", "F15", "F16", "F17", "F18", "F19", "F21" ] }, { "type": "screenshot", "path": "evidence/product-desktop.png", "caption": "product desktop", "findingIds": [ "F05" ] }, { "type": "dom", "path": "evidence/product-probe.json", "caption": "product probe", "findingIds": [ "F02", "F09", "F15", "F22", "F23", "F29" ] }, { "type": "other", "path": "evidence/recon.json", "caption": "recon", "findingIds": [] }, { "type": "other", "path": "evidence/reduced-motion.json", "caption": "reduced motion", "findingIds": [] }, { "type": "screenshot", "path": "evidence/search-desktop.png", "caption": "search desktop", "findingIds": [] }, { "type": "dom", "path": "evidence/search-probe.json", "caption": "search probe", "findingIds": [ "F02", "F09", "F10", "F20", "F22", "F29" ] }, { "type": "other", "path": "evidence/secrets.json", "caption": "secrets", "findingIds": [] }, { "type": "dom", "path": "evidence/signin-probe.json", "caption": "signin probe", "findingIds": [ "F26", "F30" ] }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers", "findingIds": [ "F25" ] } ], "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": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "The dark-mode screenshot is visually identical to the light capture, and the CSS probe found no color-scheme declaration or prefers-color-scheme rule.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png", "evidence/home-probe.json" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "high", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Emulated prefers-reduced-motion: reduce; getAnimations() returned none and the home CSS contains a reduced-motion rule.", "pathIds": [ "home" ], "artifacts": [ "evidence/reduced-motion.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Forced-colors capture retained visible text, controls, outlines and content with strong system contrast.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-high-contrast.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "DOM/CSS probes on home, search and product found no view-transition rules; page changes are abrupt full navigations.", "pathIds": [ "product" ], "artifacts": [ "evidence/home-probe.json", "evidence/search-probe.json", "evidence/product-probe.json" ], "findingIds": [ "F02" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "pass", "confidence": "medium", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "No scroll-linked decorative motion was observed on sampled paths, and probes found no scroll-timeline anti-pattern requiring migration.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "medium", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Carousels and standard scrolling remained browser-driven; no sampled core gesture fought native scrolling or required custom pointer handling.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Desktop and mobile captures show two persistent navigation rows; CSS probes found no scroll-state query or scroll-timeline signal.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/home-probe.json" ], "findingIds": [ "F03" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "The home probe found 27 dialog-role elements and no anchor-name/position-anchor signal; the visible consent surface is a FORM with role=dialog.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F04" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Search/product templates provide breadcrumbs, skip links and clearly labelled result/product destinations.", "pathIds": [ "search" ], "artifacts": [ "evidence/search-desktop.png", "evidence/product-desktop.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "At 1440x900 the consent dialog begins around y=437 and occupies the entire lower half; on the product page it covers product details and buying controls.", "pathIds": [ "product" ], "artifacts": [ "evidence/home-desktop.png", "evidence/product-desktop.png" ], "findingIds": [ "F05" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "The probe identifies #cos-banner as a FORM with role=dialog, not ; no aria-modal is present.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F06" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Desktop captures show two dense navigation rows plus a horizontally clipped card rail; the home page has no single content heading and starts with competing promotional cards.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-probe.json" ], "findingIds": [ "F07" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "The mobile layout primitive reported no viewport meta, a 1000px CSS content width, 360px visual viewport and 640px horizontal overflow; the screenshot shows a clipped desktop canvas.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile.png" ], "findingIds": [ "F08" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "The home probe found a container-query signal, but search and product probes found none and both use desktop-sized structures without a viewport meta tag.", "pathIds": [ "product" ], "artifacts": [ "evidence/home-probe.json", "evidence/search-probe.json", "evidence/product-probe.json" ], "findingIds": [ "F09" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Lighthouse failed target-size and found 15px-high footer links; probes counted 13-22 sub-24px targets per template and many focused controls computed outline:none.", "pathIds": [ "search" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-probe.json", "evidence/search-probe.json" ], "findingIds": [ "F10" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Search clearly labels results and product detail exposes title, price, stock and purchase action; empty basket explains its state.", "pathIds": [ "search" ], "artifacts": [ "evidence/search-desktop.png", "evidence/product-desktop.png", "evidence/cart-desktop.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "medium", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Anonymous search -> listing -> product -> basket/sign-in boundary was reachable without a dead end; order placement was excluded to avoid a transaction.", "pathIds": [ "product" ], "artifacts": [ "evidence/search-desktop.png", "evidence/product-desktop.png", "evidence/cart-desktop.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Empty basket gives sign-in/sign-up/deals options and the 404 page explains the failure with a home link.", "pathIds": [ "cart-signin" ], "artifacts": [ "evidence/cart-desktop.png", "evidence/404.png" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "pass", "confidence": "medium", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Trace measured LCP/FCP 1,924ms, one 77ms long task and 27ms TBT; mobile CLS observer measured 0. INP field data was unavailable.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json", "evidence/home-mobile-layout.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "The image audit found 39 of 40 images missing width/height. Observed CLS was 0 in this capture, but reserved space is absent for late or alternate loads.", "pathIds": [ "home" ], "artifacts": [ "evidence/images.json", "evidence/home-mobile-layout.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Trace found one long task, longest 77.3ms, with 27.3ms total blocking time over 7.1s.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "HAR: 131 requests and 2,388,945 transferred bytes, including 739,736 font bytes, 648,982 script bytes, six VeryHigh parser-inserted stylesheets and two parser scripts confirmed without async/defer.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/home-probe.json" ], "findingIds": [ "F12" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "HAR records 26 scripts (648,982 bytes) and 114 third-party-origin requests; a video-card bundle alone transfers 171,088 bytes.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "findingIds": [ "F13" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Lighthouse found invalid aria-expanded on the searchbox, aria-setsize on an incompatible list, and a basket link whose visible “0” is missing from its accessible name.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "pass", "confidence": "high", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Lighthouse accessibility score was 0.93 without a colour-contrast failure; forced-colors capture remained legible.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-high-contrast.png" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "The home has no H1; the product template exposes multiple H1 elements. Probe focus checks found many active controls with outline:none, including navigation and submit controls.", "pathIds": [ "product" ], "artifacts": [ "evidence/home-probe.json", "evidence/product-probe.json", "evidence/lighthouse-home.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Desktop and product screenshots show readable body and heading text with no visible clipping in the sampled desktop condition.", "pathIds": [ "product" ], "artifacts": [ "evidence/home-desktop.png", "evidence/product-desktop.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "There is no viewport meta tag, the 360px capture retains a 1000px layout, and Lighthouse failed touch-target sizing.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile.png", "evidence/lighthouse-home.json" ], "findingIds": [ "F16" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Lighthouse captured a console.error for a late-loading @m/mash module from an Amazon JavaScript resource.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json" ], "findingIds": [ "F17" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Lighthouse found multiple footer images rendered at 1.49 aspect ratio from 2.69-ratio sources; the image audit also found 39 missing intrinsic dimensions.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/images.json" ], "findingIds": [ "F18" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Lighthouse reports use of the deprecated Shared Storage API from the main document.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json" ], "findingIds": [ "F19" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "The search probe found a descriptive title but description:null. Home and product pages do include descriptions.", "pathIds": [ "search" ], "artifacts": [ "evidence/search-probe.json" ], "findingIds": [ "F20" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Discoverability measured 0% raw-to-rendered content coverage, isJsShell:true, no raw title/H1/description, and a blank crawler screenshot; Lighthouse also found javascript:void(0) links.", "pathIds": [ "home" ], "artifacts": [ "evidence/discoverability.json", "evidence/discoverability-rendered.png", "evidence/discoverability-crawler.png", "evidence/lighthouse-home.json" ], "findingIds": [ "F21" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Home/product expose canonicals, but search has none, no hreflang links were found, and /sitemap.xml returned 404.", "pathIds": [ "product" ], "artifacts": [ "evidence/home-probe.json", "evidence/search-probe.json", "evidence/product-probe.json", "evidence/http-probes.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "No JSON-LD was found on home or product; product has no Open Graph tags, while home only exposes og:description.", "pathIds": [ "product" ], "artifacts": [ "evidence/home-probe.json", "evidence/product-probe.json" ], "findingIds": [ "F23" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Headers primitive found no CSP, HSTS, nosniff, frame protection, Referrer-Policy or Permissions-Policy on the main document. Cookie audit found 8/8 flagged, including non-Secure values and session-id cookies without HttpOnly.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F24" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "The consent copy names 129 third parties; HAR records 114 third-party-origin requests and 1,889,978 third-party bytes, including ads and telemetry origins.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-summary.json", "evidence/trackers.json" ], "findingIds": [ "F25" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Sign-in exposes username autocomplete but the password input has no current-password token; no passkey/WebAuthn affordance was visible in the anonymous flow.", "pathIds": [ "home" ], "artifacts": [ "evidence/signin-probe.json" ], "findingIds": [ "F26" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "The main response had no clickjacking protection, Referrer-Policy, Permissions-Policy, CSP/Trusted Types policy or HSTS according to the headers primitive.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F27" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Raw HTML was only 2,161 bytes with zero content tokens while the rendered page had 384; browser view was populated and crawler view blank.", "pathIds": [ "home" ], "artifacts": [ "evidence/discoverability.json", "evidence/discoverability-rendered.png", "evidence/discoverability-crawler.png" ], "findingIds": [ "F28" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "medium", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Sampled search, product, cart and 404 states rendered actionable content; overlays remained attached within the desktop viewport.", "pathIds": [ "product" ], "artifacts": [ "evidence/product-desktop.png", "evidence/cart-desktop.png", "evidence/404.png" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon.", "evidence": "Amazon retail depends on live price, inventory, identity and checkout state; offline/installability was judged out of scope for this public commerce audit.", "reason": "Amazon retail depends on live price, inventory, identity and checkout state; offline/installability was judged out of scope for this public commerce audit." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "A real 404 returned a concise error explanation and a clear home recovery link rather than a blank shell.", "pathIds": [ "error" ], "artifacts": [ "evidence/404.png", "evidence/http-probes.json" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Pages set lang=en-gb, but no dir attribute or hreflang links are present and CSS probes found no logical-property signal on the sampled templates.", "pathIds": [ "product" ], "artifacts": [ "evidence/home-probe.json", "evidence/search-probe.json", "evidence/product-probe.json" ], "findingIds": [ "F29" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "high", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Observed prices use euros and locale formatting (€14.39 displayed as €14 with 39 cents); delivery copy uses a localized weekday/date.", "pathIds": [ "product" ], "artifacts": [ "evidence/product-desktop.png" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "medium", "method": "Applicability judgement from representative-path recon.", "evidence": "No user-scheduled events or time-zone-sensitive timestamps were present in the representative anonymous shopping journey.", "reason": "No user-scheduled events or time-zone-sensitive timestamps were present in the representative anonymous shopping journey." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "medium", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Consent offers adjacent Accept and Decline actions without confirmshaming; product price, delivery and stock are visible before basket action. Intrusiveness is reported separately.", "pathIds": [ "product" ], "artifacts": [ "evidence/home-desktop.png", "evidence/product-desktop.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "pass", "confidence": "medium", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "The sampled sign-in uses a single clearly described email/phone step; basket and 404 recovery states are plain and actionable. Destructive or payment validation was not triggered.", "pathIds": [ "cart-signin" ], "artifacts": [ "evidence/signin-probe.json", "evidence/cart-desktop.png", "evidence/404.png" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "The observed email field uses autocomplete=username, but the password field returns an empty autocomplete value.", "pathIds": [ "home" ], "artifacts": [ "evidence/signin-probe.json" ], "findingIds": [ "F30" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "pass", "confidence": "medium", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Product price, delivery, stock and quantity are visible; basket clearly states it is empty and sign-in is required before protected account work. Transaction submission was not attempted.", "pathIds": [ "product" ], "artifacts": [ "evidence/product-desktop.png", "evidence/cart-desktop.png", "evidence/signin-probe.json" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Image audit: 32 legacy-format images, zero modern-format images, 38 missing srcset, 24 below-fold images not lazy-loaded and 39 missing dimensions.", "pathIds": [ "home" ], "artifacts": [ "evidence/images.json" ], "findingIds": [ "F31" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "HAR includes 131 requests, telemetry beacons and 4 media requests; a 171KB video-card bundle loads on the initial page despite no user interaction.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "findingIds": [ "F32" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "Third-party origins transfer 1.89MB; fonts transfer 739,736 bytes, scripts 648,982 bytes, and media code/resources load before interaction.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "findingIds": [ "F33" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "high", "method": "Multi-modal browser evidence and guidance-backed judgement across representative paths.", "evidence": "No WebMCP/modelContext signal was found; robots.txt disallows GPTBot, ClaudeBot, OAI-SearchBot, ChatGPT-User and other agents, while non-JS content coverage is 0%.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/http-probes.json", "evidence/discoverability.json" ], "findingIds": [ "F34" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon.", "evidence": "On-device generative inference is not necessary for the representative search, product and basket tasks; absence was not penalised.", "reason": "On-device generative inference is not necessary for the representative search, product and basket tasks; absence was not penalised." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "medium", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "After ten menu open/close attempts, heap self size changed from 31.61MB to 31.84MB (+0.23MB, 0.7%) and node count by +776, consistent with bounded variance rather than an unbounded leak.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post.heapsnapshot" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "pass", "confidence": "medium", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Baseline heap summary was 31.61MB across 461,370 nodes; substantial but proportionate to a large commerce homepage and stable after interaction.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "Direct DOM, visual, trace or interaction evidence as stated.", "evidence": "Before/post heap summaries show no Detached* constructor among top retained constructors and only 0.7% self-size growth after repeated menu interaction.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post.heapsnapshot" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F01" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F02" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F03", "F04" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F05", "F06", "F07" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F08", "F09", "F10" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "pass" }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F11", "F12", "F13" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F14", "F15", "F16" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F17", "F18", "F19" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F20", "F21", "F22", "F23" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F24", "F25", "F26", "F27" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F28" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "issues", "findingIds": [ "F29" ] }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F30" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F31", "F32", "F33" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "F34" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "home", "description": "Entry page and merchandising template; first-load consent, navigation, preferences, mobile reflow, performance, security and memory.", "url": "https://www.amazon.fr/", "conditions": [ "desktop 1440x900", "mobile 360x800", "prefers-color-scheme: dark", "forced-colors: active", "prefers-reduced-motion: reduce", "keyboard focus" ], "result": "issues" }, { "id": "search", "description": "Search/listing archetype for product discovery, filters and result navigation.", "url": "https://www.amazon.fr/s?k=usb+c+cable", "conditions": [ "desktop 1440x900", "keyboard focus" ], "result": "issues" }, { "id": "product", "description": "Product-detail and purchase-decision archetype, including price, availability, add-to-basket affordance and metadata.", "url": "https://www.amazon.fr/dp/B0D1VJ3D41?th=1", "conditions": [ "desktop 1440x900", "keyboard focus" ], "result": "issues" }, { "id": "cart-signin", "description": "Empty-basket recovery and authentication boundary; checkout/order submission was intentionally not performed.", "url": "https://www.amazon.fr/gp/cart/view.html", "conditions": [ "desktop 1440x900", "anonymous session" ], "result": "issues" }, { "id": "error", "description": "Representative unknown URL to inspect HTTP/error recovery.", "url": "https://www.amazon.fr/definitely-not-a-real-page-web-uplift-404", "conditions": [ "desktop 1440x900" ], "result": "pass" } ], "findings": [ { "id": "F08", "severity": "critical", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "guidanceCategory": "user-experience", "summary": "The anonymous home page does not reflow to a 360px viewport.", "evidence": "The mobile layout primitive reported no viewport meta, a 1000px CSS content width, 360px visual viewport and 640px horizontal overflow; the screenshot shows a clipped desktop canvas.", "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile.png" ], "suggestedFix": "Add a correct viewport meta tag and replace fixed desktop widths with intrinsic, fluid layouts that reflow without horizontal scrolling.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F21", "severity": "critical", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "html", "summary": "Non-JavaScript crawlers receive an empty page and some links are not crawlable.", "evidence": "Discoverability measured 0% raw-to-rendered content coverage, isJsShell:true, no raw title/H1/description, and a blank crawler screenshot; Lighthouse also found javascript:void(0) links.", "artifacts": [ "evidence/discoverability.json", "evidence/discoverability-rendered.png", "evidence/discoverability-crawler.png", "evidence/lighthouse-home.json" ], "suggestedFix": "Server-render core page content and metadata, use real href destinations, and keep enhancement JavaScript optional for crawling.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F24", "severity": "critical", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "summary": "The main document lacks baseline security headers and sets weak cookies.", "evidence": "Headers primitive found no CSP, HSTS, nosniff, frame protection, Referrer-Policy or Permissions-Policy on the main document. Cookie audit found 8/8 flagged, including non-Secure values and session-id cookies without HttpOnly.", "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "suggestedFix": "Deploy CSP, HSTS, nosniff, frame-ancestors, Referrer-Policy and Permissions-Policy; mark cookies Secure, appropriate SameSite, and auth/session cookies HttpOnly.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F28", "severity": "critical", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "stabilize-reactive-state", "guidanceCategory": "user-experience", "summary": "Core content is unavailable without JavaScript to a plain crawler.", "evidence": "Raw HTML was only 2,161 bytes with zero content tokens while the rendered page had 384; browser view was populated and crawler view blank.", "artifacts": [ "evidence/discoverability.json", "evidence/discoverability-rendered.png", "evidence/discoverability-crawler.png" ], "suggestedFix": "Server-render core navigation, merchandising, product and listing content, then hydrate enhancements progressively.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F05", "severity": "high", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "user-experience", "summary": "The first-load consent surface obscures most primary content.", "evidence": "At 1440x900 the consent dialog begins around y=437 and occupies the entire lower half; on the product page it covers product details and buying controls.", "artifacts": [ "evidence/home-desktop.png", "evidence/product-desktop.png" ], "suggestedFix": "Use a compact, content-preserving consent treatment with equal accept/decline access and a clearly dismissible semantic dialog.", "effort": "medium", "confidence": "high", "pathId": "product", "url": "https://www.amazon.fr" }, { "id": "F10", "severity": "high", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Many controls are too small or lose a visible focus indicator.", "evidence": "Lighthouse failed target-size and found 15px-high footer links; probes counted 13-22 sub-24px targets per template and many focused controls computed outline:none.", "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-probe.json", "evidence/search-probe.json" ], "suggestedFix": "Provide at least 24x24 CSS px target area with spacing and a strong :focus-visible style on every interactive element.", "effort": "medium", "confidence": "high", "pathId": "search", "url": "https://www.amazon.fr" }, { "id": "F14", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Accessible names and ARIA roles are inconsistent.", "evidence": "Lighthouse found invalid aria-expanded on the searchbox, aria-setsize on an incompatible list, and a basket link whose visible “0” is missing from its accessible name.", "artifacts": [ "evidence/lighthouse-home.json" ], "suggestedFix": "Use native semantics first, remove disallowed ARIA, and ensure visible labels are included in accessible names.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F15", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Heading hierarchy and focus visibility are inconsistent.", "evidence": "The home has no H1; the product template exposes multiple H1 elements. Probe focus checks found many active controls with outline:none, including navigation and submit controls.", "artifacts": [ "evidence/home-probe.json", "evidence/product-probe.json", "evidence/lighthouse-home.json" ], "suggestedFix": "Give each template one meaningful H1, preserve logical headings/landmarks, and standardise visible :focus-visible states.", "effort": "medium", "confidence": "high", "pathId": "product", "url": "https://www.amazon.fr" }, { "id": "F16", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "fluid-scaling", "guidanceCategory": "user-experience", "summary": "Mobile reflow and target sizing do not meet an inclusive baseline.", "evidence": "There is no viewport meta tag, the 360px capture retains a 1000px layout, and Lighthouse failed touch-target sizing.", "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile.png", "evidence/lighthouse-home.json" ], "suggestedFix": "Restore responsive reflow and scaling, then enlarge tightly packed targets and verify at 200% zoom.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F22", "severity": "high", "principleId": "be-discoverable", "principleCheckId": "canonical-and-indexing-signals", "guidanceId": "html", "guidanceCategory": "html", "summary": "Indexing signals are incomplete across templates.", "evidence": "Home/product expose canonicals, but search has none, no hreflang links were found, and /sitemap.xml returned 404.", "artifacts": [ "evidence/home-probe.json", "evidence/search-probe.json", "evidence/product-probe.json", "evidence/http-probes.json" ], "suggestedFix": "Publish sitemap indexes, template-appropriate canonicals, and hreflang alternates for locale variants.", "effort": "medium", "confidence": "high", "pathId": "product", "url": "https://www.amazon.fr" }, { "id": "F23", "severity": "high", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "guidanceCategory": "html", "summary": "Product and home entities lack complete structured/share metadata.", "evidence": "No JSON-LD was found on home or product; product has no Open Graph tags, while home only exposes og:description.", "artifacts": [ "evidence/home-probe.json", "evidence/product-probe.json" ], "suggestedFix": "Add accurate Product/Offer and Organization JSON-LD plus complete Open Graph metadata matching visible content.", "effort": "medium", "confidence": "high", "pathId": "product", "url": "https://www.amazon.fr" }, { "id": "F25", "severity": "high", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "privacy", "summary": "The initial page has a broad third-party and advertising footprint.", "evidence": "The consent copy names 129 third parties; HAR records 114 third-party-origin requests and 1,889,978 third-party bytes, including ads and telemetry origins.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-summary.json", "evidence/trackers.json" ], "suggestedFix": "Delay optional advertising/analytics until consent, minimise partners and events, and batch only necessary telemetry.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F27", "severity": "high", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "summary": "Browser-enforced defensive policies are absent on the main document.", "evidence": "The main response had no clickjacking protection, Referrer-Policy, Permissions-Policy, CSP/Trusted Types policy or HSTS according to the headers primitive.", "artifacts": [ "evidence/headers.json" ], "suggestedFix": "Roll out defensive headers with report-only staging, then enforce frame-ancestors/CSP/Trusted Types where applicable.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F31", "severity": "high", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "user-experience", "summary": "Image delivery misses modern responsive optimisation.", "evidence": "Image audit: 32 legacy-format images, zero modern-format images, 38 missing srcset, 24 below-fold images not lazy-loaded and 39 missing dimensions.", "artifacts": [ "evidence/images.json" ], "suggestedFix": "Serve AVIF/WebP with responsive srcset/sizes, intrinsic dimensions and lazy loading below the fold.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F33", "severity": "high", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "performance", "summary": "Third-party, font and media costs dominate the page budget.", "evidence": "Third-party origins transfer 1.89MB; fonts transfer 739,736 bytes, scripts 648,982 bytes, and media code/resources load before interaction.", "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "suggestedFix": "Set explicit per-template budgets and defer, subset or remove third-party/font/media resources that do not serve the current viewport.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F01", "severity": "medium", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "summary": "The site does not honour the user’s dark colour-scheme preference.", "evidence": "The dark-mode screenshot is visually identical to the light capture, and the CSS probe found no color-scheme declaration or prefers-color-scheme rule.", "artifacts": [ "evidence/home-dark.png", "evidence/home-probe.json" ], "suggestedFix": "Declare color-scheme and provide preference-driven dark surface, text, control and browser-UI colours.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F02", "severity": "medium", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "user-experience", "summary": "Route and major state changes do not use View Transitions.", "evidence": "DOM/CSS probes on home, search and product found no view-transition rules; page changes are abrupt full navigations.", "artifacts": [ "evidence/home-probe.json", "evidence/search-probe.json", "evidence/product-probe.json" ], "suggestedFix": "Adopt same-document or cross-document View Transitions for compatible navigation and state changes, with reduced-motion handling.", "effort": "large", "confidence": "high", "pathId": "product", "url": "https://www.amazon.fr" }, { "id": "F03", "severity": "medium", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "scrollability-affordance-hints", "guidanceCategory": "user-experience", "summary": "Dense navigation chrome does not respond to scroll state.", "evidence": "Desktop and mobile captures show two persistent navigation rows; CSS probes found no scroll-state query or scroll-timeline signal.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/home-probe.json" ], "suggestedFix": "Reduce or adapt header chrome after scrolling and preserve orientation with a lightweight scroll-state treatment.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F06", "severity": "medium", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "user-experience", "summary": "The consent overlay is not implemented with the native dialog primitive.", "evidence": "The probe identifies #cos-banner as a FORM with role=dialog, not ; no aria-modal is present.", "artifacts": [ "evidence/home-probe.json" ], "suggestedFix": "Use for the modal consent flow, manage focus, and provide platform Escape/light-dismiss behaviour where legally appropriate.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F07", "severity": "medium", "principleId": "maximize-content-reduce-noise", "principleCheckId": "reduced-chrome", "guidanceId": "improve-text-layout-and-legibility", "guidanceCategory": "user-experience", "summary": "Navigation and merchandising chrome crowd the content.", "evidence": "Desktop captures show two dense navigation rows plus a horizontally clipped card rail; the home page has no single content heading and starts with competing promotional cards.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-probe.json" ], "suggestedFix": "Simplify the first viewport, reduce persistent navigation density, and establish a clear content hierarchy.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F09", "severity": "medium", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "user-experience", "summary": "Container-level responsiveness is inconsistent across templates.", "evidence": "The home probe found a container-query signal, but search and product probes found none and both use desktop-sized structures without a viewport meta tag.", "artifacts": [ "evidence/home-probe.json", "evidence/search-probe.json", "evidence/product-probe.json" ], "suggestedFix": "Adopt reusable container-query breakpoints for result cards, product panels and navigation components.", "effort": "large", "confidence": "high", "pathId": "product", "url": "https://www.amazon.fr" }, { "id": "F11", "severity": "medium", "principleId": "be-fast-and-stable", "principleCheckId": "visual-stability", "guidanceId": "optimize-image-priority", "guidanceCategory": "performance", "summary": "Images are shipped without intrinsic dimensions, creating avoidable shift risk.", "evidence": "The image audit found 39 of 40 images missing width/height. Observed CLS was 0 in this capture, but reserved space is absent for late or alternate loads.", "artifacts": [ "evidence/images.json", "evidence/home-mobile-layout.json" ], "suggestedFix": "Set width and height or aspect-ratio on content images and reserve stable card/media geometry.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F12", "severity": "medium", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "performance", "guidanceCategory": "performance", "summary": "The critical path carries many blocking resources and a heavy font/script payload.", "evidence": "HAR: 131 requests and 2,388,945 transferred bytes, including 739,736 font bytes, 648,982 script bytes, six VeryHigh parser-inserted stylesheets and two parser scripts confirmed without async/defer.", "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/home-probe.json" ], "suggestedFix": "Subset/preload only critical fonts, inline or consolidate critical CSS, and defer non-critical scripts and styles.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F13", "severity": "medium", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "summary": "JavaScript and third-party delivery are disproportionate for the first viewport.", "evidence": "HAR records 26 scripts (648,982 bytes) and 114 third-party-origin requests; a video-card bundle alone transfers 171,088 bytes.", "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "suggestedFix": "Code-split merchandising features, gate video code on use/visibility, and remove duplicate or nonessential first-load bundles.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F17", "severity": "medium", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "html", "summary": "The page logs a browser console error on load.", "evidence": "Lighthouse captured a console.error for a late-loading @m/mash module from an Amazon JavaScript resource.", "artifacts": [ "evidence/lighthouse-home.json" ], "suggestedFix": "Fix the late module sequencing or downgrade expected diagnostics so production loads have no console errors.", "effort": "small", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F18", "severity": "medium", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "guidanceCategory": "html", "summary": "Image asset sizing is unsound.", "evidence": "Lighthouse found multiple footer images rendered at 1.49 aspect ratio from 2.69-ratio sources; the image audit also found 39 missing intrinsic dimensions.", "artifacts": [ "evidence/lighthouse-home.json", "evidence/images.json" ], "suggestedFix": "Serve correctly cropped variants and provide intrinsic dimensions/aspect-ratio for every meaningful image.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F20", "severity": "medium", "principleId": "be-discoverable", "principleCheckId": "title-and-description", "guidanceId": "html", "guidanceCategory": "html", "summary": "Search result pages omit a meta description.", "evidence": "The search probe found a descriptive title but description:null. Home and product pages do include descriptions.", "artifacts": [ "evidence/search-probe.json" ], "suggestedFix": "Generate unique, useful descriptions for indexable listing/search archetypes, or deliberately noindex low-value query variants.", "effort": "small", "confidence": "high", "pathId": "search", "url": "https://www.amazon.fr" }, { "id": "F26", "severity": "medium", "principleId": "be-private-and-secure", "principleCheckId": "in-context-permissions-and-modern-auth", "guidanceId": "passkeys", "guidanceCategory": "passkeys", "summary": "The observed authentication flow does not expose a modern passkey path and password autocomplete is incomplete.", "evidence": "Sign-in exposes username autocomplete but the password input has no current-password token; no passkey/WebAuthn affordance was visible in the anonymous flow.", "artifacts": [ "evidence/signin-probe.json" ], "suggestedFix": "Offer passkey authentication and set current-password on the fallback password field.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F29", "severity": "medium", "principleId": "be-internationalised", "principleCheckId": "lang-dir-and-logical-properties", "guidanceId": "translator", "guidanceCategory": "built-in-ai", "summary": "Locale markup is only partially internationalisation-ready.", "evidence": "Pages set lang=en-gb, but no dir attribute or hreflang links are present and CSS probes found no logical-property signal on the sampled templates.", "artifacts": [ "evidence/home-probe.json", "evidence/search-probe.json", "evidence/product-probe.json" ], "suggestedFix": "Set direction explicitly where needed, prefer logical properties, and publish locale alternates so layouts survive translation and bidi text.", "effort": "large", "confidence": "high", "pathId": "product", "url": "https://www.amazon.fr" }, { "id": "F30", "severity": "medium", "principleId": "be-trustworthy", "principleCheckId": "trustworthy-input-assistance", "guidanceId": "autofill-sign-in-form", "guidanceCategory": "forms", "summary": "The sign-in password field omits the expected autocomplete token.", "evidence": "The observed email field uses autocomplete=username, but the password field returns an empty autocomplete value.", "artifacts": [ "evidence/signin-probe.json" ], "suggestedFix": "Set autocomplete=current-password and preserve password-manager/passkey support across the sign-in flow.", "effort": "small", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F32", "severity": "medium", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "efficient-background-processing", "guidanceCategory": "performance", "summary": "First-load background and media work is not tightly budgeted.", "evidence": "HAR includes 131 requests, telemetry beacons and 4 media requests; a 171KB video-card bundle loads on the initial page despite no user interaction.", "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "suggestedFix": "Defer media code and optional fetches until visibility/intent, pause offscreen work, and batch telemetry.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F34", "severity": "medium", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "guidanceCategory": "webmcp", "summary": "Commerce capabilities are not exposed safely to agents, and agent crawlers are explicitly blocked.", "evidence": "No WebMCP/modelContext signal was found; robots.txt disallows GPTBot, ClaudeBot, OAI-SearchBot, ChatGPT-User and other agents, while non-JS content coverage is 0%.", "artifacts": [ "evidence/home-probe.json", "evidence/http-probes.json", "evidence/discoverability.json" ], "suggestedFix": "If agentic commerce is intended, expose narrowly scoped WebMCP forms/tools with confirmation boundaries and a deliberate crawler policy.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F04", "severity": "low", "principleId": "provide-guided-navigation", "principleCheckId": "anchored-positioning", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "user-experience", "summary": "Overlay infrastructure relies on many custom dialog-role containers rather than anchored platform primitives.", "evidence": "The home probe found 27 dialog-role elements and no anchor-name/position-anchor signal; the visible consent surface is a FORM with role=dialog.", "artifacts": [ "evidence/home-probe.json" ], "suggestedFix": "Use popover/dialog plus CSS anchor positioning and fallback positions for transient menus and attached overlays.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" }, { "id": "F19", "severity": "low", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "html", "summary": "A deprecated browser API remains in use.", "evidence": "Lighthouse reports use of the deprecated Shared Storage API from the main document.", "artifacts": [ "evidence/lighthouse-home.json" ], "suggestedFix": "Remove the deprecated Shared Storage integration and replace it only with a supported, privacy-preserving need-based alternative.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://www.amazon.fr" } ], "taskList": [ { "id": "T1", "title": "Restore mobile reflow and inclusive interaction sizing", "priority": 1, "findingIds": [ "F08", "F10", "F16" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T2", "title": "Server-render crawlable core content and metadata", "priority": 2, "findingIds": [ "F21", "F22", "F23", "F28", "F34" ], "guidanceId": "html", "status": "open" }, { "id": "T3", "title": "Deploy security headers and harden cookies", "priority": 3, "findingIds": [ "F24", "F27" ], "guidanceId": "security", "status": "open" }, { "id": "T4", "title": "Reduce third-party, script, font and media cost", "priority": 4, "findingIds": [ "F12", "F13", "F25", "F32", "F33" ], "guidanceId": "performance", "status": "open" }, { "id": "T5", "title": "Make consent content-preserving and semantic", "priority": 5, "findingIds": [ "F05", "F06" ], "guidanceId": "declarative-dialog-popover-control", "status": "open" }, { "id": "T6", "title": "Fix ARIA, heading and focus defects", "priority": 6, "findingIds": [ "F10", "F14", "F15" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T7", "title": "Modernise image delivery and intrinsic sizing", "priority": 7, "findingIds": [ "F11", "F18", "F31" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T8", "title": "Add preference-driven dark mode", "priority": 8, "findingIds": [ "F01" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T9", "title": "Improve navigation hierarchy and transitions", "priority": 9, "findingIds": [ "F02", "F03", "F04", "F07", "F09" ], "guidanceId": "scrollability-affordance-hints", "status": "open" }, { "id": "T10", "title": "Clean production browser errors and deprecated APIs", "priority": 10, "findingIds": [ "F17", "F19" ], "guidanceId": "html", "status": "open" }, { "id": "T11", "title": "Complete sign-in autofill and add passkeys", "priority": 11, "findingIds": [ "F26", "F30" ], "guidanceId": "passkeys", "status": "open" }, { "id": "T12", "title": "Harden internationalisation markup", "priority": 12, "findingIds": [ "F29" ], "guidanceId": "translator", "status": "open" }, { "id": "T13", "title": "Add descriptions to indexable result templates", "priority": 13, "findingIds": [ "F20" ], "guidanceId": "html", "status": "open" } ], "budget": { "pathCount": 5, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-21T18-28-52-107Z" }