{ "url": "https://www.walmart.com", "auditedAt": "2026-07-28T11:00:41.706Z", "mode": "report", "status": "partial", "statusDetail": "Atomic coverage is exact, but 6 checks remain blocked because key search, product, account and checkout surfaces triggered PerimeterX verification or were not reachable.", "page": { "appType": "hybrid", "framework": "Next.js", "notes": "Large server-rendered retail homepage. Search and product routes were bot-blocked; category showed an in-page human-verification modal. Not covered: authenticated account, payment completion, post-purchase, store-localized inventory, and media captions because those journeys were inaccessible or absent from sampled paths." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "layout-metrics", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "lighthouse", "robots.txt" ], "guidanceConsulted": [ "dark-mode", "component-specific-light-dark-theme", "accessibility", "adapt-scrollbar-to-contrast-preferences", "same-document-transitions", "cross-document-transitions", "group-element-transitions", "faster-spa-view-transitions", "scrollytelling", "parallax-scroll-effects", "scroll-entry-exit-effects", "carousel-slide-effects", "physics-based-easing", "individual-transform-properties", "animate-element-entry-exit", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "dynamic-sibling-animations", "interactive-content-reveal", "pull-to-reveal", "swipe-to-remove", "shrinking-header-on-scroll", "scroll-progress-indicator", "scroll-position-aware-elements", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "soft-edge-content-fade", "scrollability-affordance-hints", "anchor-positioning-tab-underline", "position-aware-tooltips", "interest-triggered-tooltips", "interest-triggered-action-previews", "directional-navigation-transitions", "carousel-snap-highlights", "navigation-drawer", "stack-drill-down", "persistent-app-tours", "persistent-toast-notifications", "light-dismiss-a-dialog", "platform-controls-dismiss-dialog", "declarative-dialog-popover-control", "animated-select-picker", "branded-select-styling", "brand-consistent-forms", "custom-select-picker-layouts", "rich-media-picker", "complex-shapes", "shaped-cutouts", "overflow-clipping-control", "visually-texture-content", "apply-webgl-shaders", "interactive-content-in-3d-scenes", "highlight-text-ranges", "prevent-text-wrapping", "customize-scrollbar-color-and-thickness", "export-html-media-from-canvas", "fluid-scaling", "calculate-with-intrinsic-sizes", "css-layout", "size-aware-styling", "content-based-styling", "child-state-based-styling", "design-token-reactivity", "dynamic-sibling-styling", "form-fields-automatically-fit-contents", "improve-text-layout-and-legibility", "forms", "accessible-error-announcement", "required-field-feedback", "validate-input-after-interaction", "identify-inp-causes", "schedule-tasks-by-priority", "optimize-preload-priority", "improve-next-page-load-performance", "interactions-in-complex-layouts", "performance", "visually-stable-font-fallbacks", "break-up-long-tasks", "identify-heavy-scripts", "optimize-script-priority", "defer-rendering-heavy-content", "defer-work-until-scroll-ends", "optimize-image-priority", "conditional-async-dependencies", "expose-canvas-content-to-browser-features", "move-dom-element-without-losing-state", "precise-text-alignment", "visually-stable-mixed-fonts", "css", "html", "reduce-style-repetition", "security", "privacy", "batch-analytics-events", "full-session-analytics", "calculate-total-foreground-time", "passkeys", "passkey-registration", "passkey-authentication", "passkey-reauthentication", "passkey-conditional-create", "passkey-management", "flicker-free-client-side-ab-testing", "consistent-cross-document-transitions", "stabilize-reactive-state", "resilient-context-menus-and-nested-dropdowns", "persistent-top-layer-ui", "detect-initial-visibility-state", "sequence-distributed-events", "translator", "language-detection", "support-global-calendar-systems", "capture-location-agnostic-data", "format-human-readable-durations", "manage-recurring-intervals", "calculate-event-differentials", "coordinate-global-events", "model-partial-time-concepts", "search-hidden-content", "select-menu-interaction", "style-parent-with-has", "autofill-address-form", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "autofill-highlight-inputs", "deliver-optimized-decorative-images", "resolution-optimized-pseudo-elements", "deprioritize-background-fetches", "efficient-background-processing", "webmcp", "agentic-forms", "agentic-javascript-tools", "language-model", "summarizer" ], "artifacts": [ { "type": "screenshot", "path": "evidence/cart-desktop.png", "caption": "cart desktop", "findingIds": [] }, { "type": "dom", "path": "evidence/cart-dom.json", "caption": "cart dom", "findingIds": [] }, { "type": "layout", "path": "evidence/cart-mobile-layout.json", "caption": "cart mobile layout", "findingIds": [] }, { "type": "screenshot", "path": "evidence/category-desktop.png", "caption": "category desktop", "findingIds": [] }, { "type": "dom", "path": "evidence/category-dom.json", "caption": "category dom", "findingIds": [] }, { "type": "layout", "path": "evidence/category-mobile-layout.json", "caption": "category mobile layout", "findingIds": [] }, { "type": "other", "path": "evidence/cookies.json", "caption": "cookies", "findingIds": [ "F14" ] }, { "type": "other", "path": "evidence/focus-probe.json", "caption": "focus probe", "findingIds": [] }, { "type": "other", "path": "evidence/headers.json", "caption": "headers", "findingIds": [ "F14", "F16" ] }, { "type": "heap", "path": "evidence/heap-baseline.heapsnapshot", "caption": "heap baseline", "findingIds": [ "F23" ] }, { "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": [ "F04" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "home discoverability crawler", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "home discoverability rendered", "findingIds": [] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "home discoverability", "findingIds": [] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom", "findingIds": [ "F03", "F04", "F05", "F17" ] }, { "type": "screenshot", "path": "evidence/home-forced-colors.png", "caption": "home forced colors", "findingIds": [] }, { "type": "other", "path": "evidence/home-images.json", "caption": "home images", "findingIds": [ "F12", "F19" ] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "home mobile layout", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile", "findingIds": [] }, { "type": "other", "path": "evidence/home-structure-probe.json", "caption": "home structure probe", "findingIds": [ "F05", "F10", "F17", "F18", "F22" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "home summary", "findingIds": [ "F08", "F09", "F15", "F20", "F21" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary", "findingIds": [ "F06", "F07", "F20" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "home trace", "findingIds": [] }, { "type": "har", "path": "evidence/home.har", "caption": "home", "findingIds": [ "F08", "F09" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "lighthouse", "findingIds": [ "F06", "F07", "F09", "F10", "F11", "F13" ] }, { "type": "other", "path": "evidence/preferences-probe.json", "caption": "preferences probe", "findingIds": [ "F01", "F02" ] }, { "type": "screenshot", "path": "evidence/product-desktop.png", "caption": "product desktop", "findingIds": [] }, { "type": "dom", "path": "evidence/product-dom.json", "caption": "product dom", "findingIds": [] }, { "type": "layout", "path": "evidence/product-mobile-layout.json", "caption": "product mobile layout", "findingIds": [] }, { "type": "other", "path": "evidence/recon.json", "caption": "recon", "findingIds": [] }, { "type": "other", "path": "evidence/robots.txt.json", "caption": "robots.txt", "findingIds": [] }, { "type": "screenshot", "path": "evidence/search-desktop.png", "caption": "search desktop", "findingIds": [] }, { "type": "dom", "path": "evidence/search-dom.json", "caption": "search dom", "findingIds": [] }, { "type": "layout", "path": "evidence/search-mobile-layout.json", "caption": "search mobile layout", "findingIds": [] }, { "type": "other", "path": "evidence/secrets.json", "caption": "secrets", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap.json", "caption": "sitemap", "findingIds": [] }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers", "findingIds": [ "F15", "F21" ] } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 52, "blocked": 6, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": false }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "issues", "confidence": "high", "method": "emulated media screenshot and Runtime getAnimations/computed-style probe", "evidence": "Dark-emulated screenshot is pixel-identical in appearance to light and the probe reports color-scheme normal with black text; no user-driven dark theme. Under prefers-reduced-motion: reduce, the probe still found at least 30 running ld_De animations, each 750 ms.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png", "evidence/preferences-probe.json" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "high", "method": "emulated media screenshot and Runtime getAnimations/computed-style probe", "evidence": "Dark-emulated screenshot is pixel-identical in appearance to light and the probe reports color-scheme normal with black text; no user-driven dark theme. Under prefers-reduced-motion: reduce, the probe still found at least 30 running ld_De animations, each 750 ms.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png", "evidence/preferences-probe.json" ], "findingIds": [ "F02" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "forced-colors screenshot plus Lighthouse contrast audit", "evidence": "Forced-colors screenshot preserves readable text, controls, and focus; Lighthouse contrast audit passed.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-forced-colors.png", "evidence/lighthouse.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "rendered DOM and CSS rule inspection", "evidence": "Rendered DOM/CSS inspection of the homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json", "evidence/home-structure-probe.json" ], "findingIds": [ "F03" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "medium", "method": "rendered DOM and CSS rule inspection", "evidence": "Rendered DOM/CSS inspection of the homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json", "evidence/home-structure-probe.json" ], "reason": "No scroll-linked animation is present, so there is no scroll-linked implementation to judge." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "high", "method": "CSS inspection and visual review", "evidence": "Homepage carousels use native horizontal scroll-snap and explicit previous/next controls; no custom pointer-only gesture was observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json", "evidence/home-desktop.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "high", "method": "rendered DOM and CSS rule inspection", "evidence": "Rendered DOM/CSS inspection of the homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json", "evidence/home-structure-probe.json" ], "findingIds": [ "F04" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "medium", "method": "rendered DOM and CSS rule inspection", "evidence": "Rendered DOM/CSS inspection of the homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json", "evidence/home-structure-probe.json" ], "reason": "No tooltip/popover/menu positioning surface was present on the reachable homepage; the bot modal is viewport-centered, not anchored." }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "visual and keyboard-focus review", "evidence": "Carousel navigation has explicit direction controls and keyboard focus remains visible.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/focus-probe.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "pass", "confidence": "high", "method": "first-load screenshots and DOM review", "evidence": "Homepage loaded content-first without a consent/ad interstitial; category challenge is a labeled modal with a visible close control; chrome is compact relative to content.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/home-desktop.png", "evidence/category-desktop.png", "evidence/category-dom.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "pass", "confidence": "high", "method": "first-load screenshots and DOM review", "evidence": "Homepage loaded content-first without a consent/ad interstitial; category challenge is a labeled modal with a visible close control; chrome is compact relative to content.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/home-desktop.png", "evidence/category-desktop.png", "evidence/category-dom.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "first-load screenshots and DOM review", "evidence": "Homepage loaded content-first without a consent/ad interstitial; category challenge is a labeled modal with a visible close control; chrome is compact relative to content.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/home-desktop.png", "evidence/category-desktop.png", "evidence/category-dom.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "high", "method": "mobile layout primitive", "evidence": "At 360 px, layout reported viewport meta, scrollWidth 360, horizontal overflow 0, and CLS 0.0506.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "rendered DOM and CSS rule inspection", "evidence": "Rendered DOM/CSS inspection of the homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json", "evidence/home-structure-probe.json" ], "findingIds": [ "F05" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "pass", "confidence": "high", "method": "mobile screenshot, Lighthouse and focus probe", "evidence": "Programmatic keyboard focus matched :focus-visible and computed outline rgb(16,16,16) auto 1px.", "pathIds": [ "home" ], "artifacts": [ "evidence/focus-probe.json", "evidence/home-mobile.png", "evidence/lighthouse.json" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "first-viewport visual review", "evidence": "Homepage clearly identifies Walmart, exposes search, departments and direct Shop/Add calls to action.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "blocked", "confidence": "medium", "method": "attempted navigation through search, product, account/cart surfaces", "evidence": "Attempted clean-CDP navigation was redirected to /blocked and displayed a PerimeterX “Robot or human?” press-and-hold challenge.", "pathIds": [ "search", "product", "cart" ], "artifacts": [ "evidence/search-desktop.png", "evidence/product-desktop.png", "evidence/category-desktop.png" ], "reason": "The planned method was attempted, but PerimeterX bot verification or lack of reachable representative content prevented a conclusive judgement." }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "visual review of loading/block state", "evidence": "The bot-detection state clearly says what happened, offers a press-and-hold action, and category modal has a close control.", "pathIds": [ "search", "category" ], "artifacts": [ "evidence/search-desktop.png", "evidence/category-desktop.png" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Lighthouse plus DevTools trace summary", "evidence": "Lighthouse measured performance 0.38, LCP 19.6 s, FCP 6.3 s, TBT 820 ms and Speed Index 8.6 s; trace measured 5 long tasks and 380.83 ms TBT.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F06" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "mobile layout observer plus image dimension audit", "evidence": "Mobile layout observed CLS 0.0506 and all audited images had explicit width and height.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-images.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "issues", "confidence": "high", "method": "Lighthouse plus DevTools trace summary", "evidence": "Lighthouse measured performance 0.38, LCP 19.6 s, FCP 6.3 s, TBT 820 ms and Speed Index 8.6 s; trace measured 5 long tasks and 380.83 ms TBT.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F07" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "HAR summary plus Lighthouse", "evidence": "HAR recorded 422 requests and 3,629,747 transferred bytes, including 266 scripts (2,929,970 bytes) and 390 third-party requests.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse.json" ], "findingIds": [ "F08" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "HAR summary plus Lighthouse", "evidence": "HAR recorded 422 requests and 3,629,747 transferred bytes, including 266 scripts (2,929,970 bytes) and 390 third-party requests.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse.json" ], "findingIds": [ "F09" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility audits plus DOM/focus probes", "evidence": "Probe found doctype html, lang en-US, one H1, ordered H1/H2/H3 headings, 57 visible controls, visible focus, and 11 potentially unnamed focusable elements including product-price divs. Lighthouse accessibility scored 0.97; link-name failed for one link while contrast, labels, button names and heading order passed.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-structure-probe.json", "evidence/focus-probe.json" ], "findingIds": [ "F10" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "pass", "confidence": "high", "method": "Lighthouse contrast audit and forced-colors screenshot", "evidence": "Forced-colors screenshot preserves readable text, controls, and focus; Lighthouse contrast audit passed.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-forced-colors.png" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "pass", "confidence": "high", "method": "Lighthouse accessibility audits plus DOM/focus probes", "evidence": "Probe found doctype html, lang en-US, one H1, ordered H1/H2/H3 headings, 57 visible controls, visible focus, and 11 potentially unnamed focusable elements including product-price divs. Lighthouse accessibility scored 0.97; link-name failed for one link while contrast, labels, button names and heading order passed.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-structure-probe.json", "evidence/focus-probe.json" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "desktop/mobile screenshot review", "evidence": "Text remains readable, unclipped and consistently aligned in sampled desktop and 360 px states.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "pass", "confidence": "high", "method": "360 px reflow, viewport and Lighthouse accessibility review", "evidence": "No horizontal overflow, scaling is not disabled, and sampled controls remain usable at the narrow viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/lighthouse.json" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Lighthouse best-practices audits", "evidence": "Lighthouse found 17 browser-console error entries.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F11" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "DOM/doctype and image audit", "evidence": "Image audit found 8 oversized images, 19 legacy-format images, 3 without srcset and 1 missing alt; all had dimensions.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/home-structure-probe.json" ], "findingIds": [ "F12" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Lighthouse best-practices audits", "evidence": "Lighthouse found 17 browser-console error entries.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "DOM metadata probe, raw-HTML discoverability capture, robots and Lighthouse SEO", "evidence": "Discoverability capture fetched HTTP 200 raw HTML, found 82% rendered-word coverage, no JS shell, and title/H1/meta description in raw HTML. DOM probe found a descriptive title, meta description, canonical URL, viewport and two JSON-LD blocks; robots.txt is valid and lists sitemaps.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-structure-probe.json", "evidence/robots.txt.json", "evidence/lighthouse.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "pass", "confidence": "high", "method": "DOM metadata probe, raw-HTML discoverability capture, robots and Lighthouse SEO", "evidence": "Discoverability capture fetched HTTP 200 raw HTML, found 82% rendered-word coverage, no JS shell, and title/H1/meta description in raw HTML. DOM probe found a descriptive title, meta description, canonical URL, viewport and two JSON-LD blocks; robots.txt is valid and lists sitemaps.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-structure-probe.json", "evidence/robots.txt.json", "evidence/lighthouse.json" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "high", "method": "DOM metadata probe, raw-HTML discoverability capture, robots and Lighthouse SEO", "evidence": "Discoverability capture fetched HTTP 200 raw HTML, found 82% rendered-word coverage, no JS shell, and title/H1/meta description in raw HTML. DOM probe found a descriptive title, meta description, canonical URL, viewport and two JSON-LD blocks; robots.txt is valid and lists sitemaps.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-structure-probe.json", "evidence/robots.txt.json", "evidence/lighthouse.json" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "pass", "confidence": "high", "method": "DOM metadata probe, raw-HTML discoverability capture, robots and Lighthouse SEO", "evidence": "Discoverability capture fetched HTTP 200 raw HTML, found 82% rendered-word coverage, no JS shell, and title/H1/meta description in raw HTML. DOM probe found a descriptive title, meta description, canonical URL, viewport and two JSON-LD blocks; robots.txt is valid and lists sitemaps.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-structure-probe.json", "evidence/robots.txt.json", "evidence/lighthouse.json" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "security headers and cookie primitives", "evidence": "HTTPS, CSP, HSTS, frame protections and Permissions-Policy are present, but X-Content-Type-Options and Referrer-Policy are absent. Cookie audit found 16 cookies reported without Secure and several SameSite=None; vtc lasts 400 days.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "tracker primitive and HAR summary", "evidence": "Tracker capture found seven third-party origins and known Google advertising and Criteo endpoints. HAR recorded 422 requests and 3,629,747 transferred bytes, including 266 scripts (2,929,970 bytes) and 390 third-party requests.", "pathIds": [ "home" ], "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "blocked", "confidence": "medium", "method": "attempted navigation through search, product, account/cart surfaces", "evidence": "Attempted clean-CDP navigation was redirected to /blocked and displayed a PerimeterX “Robot or human?” press-and-hold challenge.", "pathIds": [ "search", "product", "cart" ], "artifacts": [ "evidence/search-desktop.png", "evidence/product-desktop.png", "evidence/category-desktop.png" ], "reason": "The planned method was attempted, but PerimeterX bot verification or lack of reachable representative content prevented a conclusive judgement." }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "security headers and cookie primitives", "evidence": "HTTPS, CSP, HSTS, frame protections and Permissions-Policy are present, but X-Content-Type-Options and Referrer-Policy are absent. Cookie audit found 16 cookies reported without Secure and several SameSite=None; vtc lasts 400 days.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "high", "method": "raw HTML versus rendered discoverability capture", "evidence": "Crawler capture retained 82% of homepage content without JavaScript, so the core homepage is server rendered.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-crawler.png" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "category overlay and DOM review", "evidence": "The visible challenge overlay remains within the viewport and provides a close control; core homepage content rendered robustly.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/category-desktop.png", "evidence/category-dom.json" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "medium", "method": "manifest/service-worker runtime probe", "evidence": "No manifest or controlling service worker was present; offline installability is not applicable to this intrinsically network-dependent retail catalog.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-structure-probe.json" ], "reason": "Walmart retail transactions intrinsically require live inventory, identity and payment services; installability/offline operation was not treated as required." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "direct blocked-route state review", "evidence": "Blocked requests show a clear human-verification state rather than a blank shell, with an explicit recovery action.", "pathIds": [ "home" ], "artifacts": [ "evidence/search-desktop.png" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "issues", "confidence": "high", "method": "DOM language and rendered CSS inspection", "evidence": "DOM declares lang=en-US, but rendered CSS contains extensive physical left/right declarations and no document dir.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-structure-probe.json", "evidence/home-dom.json" ], "findingIds": [ "F17" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "blocked", "confidence": "medium", "method": "attempted rendered DOM inspection without local source", "evidence": "No representative date/time formatting surface was reachable and source was not provided; the attempted DOM method cannot establish implementation correctness.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ], "reason": "The planned method was attempted, but PerimeterX bot verification or lack of reachable representative content prevented a conclusive judgement." }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "blocked", "confidence": "medium", "method": "attempted rendered DOM inspection without local source", "evidence": "No representative date/time formatting surface was reachable and source was not provided; the attempted DOM method cannot establish implementation correctness.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ], "reason": "The planned method was attempted, but PerimeterX bot verification or lack of reachable representative content prevented a conclusive judgement." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "visual commercial-copy review", "evidence": "The sampled homepage discloses the $1 Walmart+ offer, 30-day duration, $35 minimum and terms link without confirmshaming.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "blocked", "confidence": "medium", "method": "attempted navigation through search, product, account/cart surfaces", "evidence": "Attempted clean-CDP navigation was redirected to /blocked and displayed a PerimeterX “Robot or human?” press-and-hold challenge.", "pathIds": [ "search", "product", "cart" ], "artifacts": [ "evidence/search-desktop.png", "evidence/product-desktop.png", "evidence/category-desktop.png" ], "reason": "The planned method was attempted, but PerimeterX bot verification or lack of reachable representative content prevented a conclusive judgement." }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "issues", "confidence": "high", "method": "form attribute DOM probe", "evidence": "The only accessible homepage input is search with autocomplete=\"off\"; search/product/account flows could not be exercised through the bot wall.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-structure-probe.json" ], "findingIds": [ "F18" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "blocked", "confidence": "medium", "method": "attempted navigation through search, product, account/cart surfaces", "evidence": "Attempted clean-CDP navigation was redirected to /blocked and displayed a PerimeterX “Robot or human?” press-and-hold challenge.", "pathIds": [ "search", "product", "cart" ], "artifacts": [ "evidence/search-desktop.png", "evidence/product-desktop.png", "evidence/category-desktop.png" ], "reason": "The planned method was attempted, but PerimeterX bot verification or lack of reachable representative content prevented a conclusive judgement." }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "image audit and HAR", "evidence": "Image audit found 8 oversized images, 19 legacy-format images, 3 without srcset and 1 missing alt; all had dimensions.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/home-summary.json" ], "findingIds": [ "F19" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "trace, HAR and tracker captures", "evidence": "HAR and image evidence show 3.63 MB/422 requests, 2.93 MB script, 19 legacy images and 390 requests classified third-party.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-trace-summary.json", "evidence/trackers.json" ], "findingIds": [ "F20" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "trace, HAR and tracker captures", "evidence": "HAR and image evidence show 3.63 MB/422 requests, 2.93 MB script, 19 legacy images and 390 requests classified third-party.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-trace-summary.json", "evidence/trackers.json" ], "findingIds": [ "F21" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "high", "method": "DOM capability and structured-data probe", "evidence": "DOM probe found two JSON-LD blocks but no WebMCP surface and no on-device inference API usage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-structure-probe.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "medium", "method": "runtime API/use-case inspection", "evidence": "No summarization or local-inference feature was present, and the sampled retail homepage has no clear on-device inference requirement.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-structure-probe.json" ], "reason": "No user-facing inference feature or clear local-inference use case was present." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "low", "method": "baseline and post-interaction heap summary comparison", "evidence": "Heap summaries were stable after the attempted repeated carousel interaction: 947,685→947,972 nodes (+287) and 57,860,232→57,854,336 bytes (-5,896).", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post.heapsnapshot" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "high", "method": "baseline heap summary", "evidence": "Baseline heap contained 947,685 nodes, 63,515 closures and 57.86 MB self size on a single homepage view.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot" ], "findingIds": [ "F23" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "high", "method": "baseline and post-interaction heap summary comparison", "evidence": "Heap summaries were stable after the attempted repeated carousel interaction: 947,685→947,972 nodes (+287) and 57,860,232→57,854,336 bytes (-5,896).", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/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" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "pass" }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F05" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "incomplete", "reason": "One or more checks were blocked by bot verification or by the absence of reachable representative content/source." }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F06", "F07", "F08", "F09" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F10" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F11", "F12", "F13" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "pass" }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F14", "F15", "F16" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "pass" }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "issues", "findingIds": [ "F17" ] }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F18" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F19", "F20", "F21" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "F22" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F23" ] } ], "paths": [ { "id": "home", "description": "Public homepage and merchandising template; audited as the entry point and representative navigation/content surface.", "url": "https://www.walmart.com/", "conditions": [ "desktop 1440x1000", "mobile 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "forced-colors: active", "crawler without JavaScript" ], "result": "issues" }, { "id": "category", "description": "Dorm-room category/landing page; selected as a representative listing and overlay-heavy merchandising surface.", "url": "https://www.walmart.com/cp/dorm-room-essentials/1225229", "conditions": [ "desktop 1440x1000", "mobile 360x800" ], "result": "issues" }, { "id": "search", "description": "Search results for laptop; selected as the primary product-discovery journey. PerimeterX redirected the clean CDP session to a human-verification page.", "url": "https://www.walmart.com/search?q=laptop", "conditions": [ "desktop 1440x1000", "mobile 360x800" ], "result": "failed" }, { "id": "product", "description": "Representative product detail selected from the homepage. PerimeterX redirected the clean CDP session to a human-verification page.", "url": "https://www.walmart.com/ip/TIGI-Bed-Head-After-Party-Smoothing-Cream-3-38-oz/803927017", "conditions": [ "desktop 1440x1000", "mobile 360x800" ], "result": "failed" }, { "id": "cart", "description": "Cart URL selected as the purchase-flow state. The request resolved to the homepage in the unauthenticated clean session, so checkout was not exercised.", "url": "https://www.walmart.com/cart", "conditions": [ "desktop 1440x1000", "mobile 360x800" ], "result": "failed" } ], "findings": [ { "id": "F01", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "The site ignores the user’s dark color-scheme preference.", "evidence": "Dark-emulated screenshot is pixel-identical in appearance to light and the probe reports color-scheme normal with black text; no user-driven dark theme.", "artifacts": [ "evidence/home-dark.png", "evidence/preferences-probe.json" ], "suggestedFix": "Declare color-scheme and provide preference-driven dark surface/text tokens with prefers-color-scheme or light-dark().", "effort": "medium" }, { "id": "F02", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Animation continues when reduced motion is requested.", "evidence": "Under prefers-reduced-motion: reduce, the probe still found at least 30 running ld_De animations, each 750 ms.", "artifacts": [ "evidence/preferences-probe.json" ], "suggestedFix": "Disable auto-advance and remove or shorten non-essential animations inside prefers-reduced-motion: reduce.", "effort": "medium" }, { "id": "F03", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "modern-web-guidance", "severity": "low", "confidence": "high", "summary": "State and route transitions do not use View Transitions.", "evidence": "Rendered DOM/CSS inspection of the homepage. No view-transition rules were present in captured CSS.", "artifacts": [ "evidence/home-dom.json" ], "suggestedFix": "Use same-document and cross-document View Transitions for meaningful state changes, with reduced-motion fallbacks.", "effort": "small" }, { "id": "F04", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "shrinking-header-on-scroll", "guidanceCategory": "modern-web-guidance", "severity": "low", "confidence": "high", "summary": "Persistent header chrome does not adapt to scroll state.", "evidence": "Rendered DOM/CSS inspection of the homepage. The large header remains static and no scroll-state query or shrinking-header behavior was found.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-dom.json" ], "suggestedFix": "Use scroll-state/container queries or a lightweight declarative shrinking-header pattern.", "effort": "small" }, { "id": "F05", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "modern-web-guidance", "severity": "low", "confidence": "high", "summary": "Responsive behavior relies on viewport breakpoints rather than component containers.", "evidence": "Probe found doctype html, lang en-US, one H1, ordered H1/H2/H3 headings, 57 visible controls, visible focus, and 11 potentially unnamed focusable elements including product-price divs. The structure probe found zero CSSContainerRule entries.", "artifacts": [ "evidence/home-structure-probe.json", "evidence/home-dom.json" ], "suggestedFix": "Introduce container queries for reused merchandising cards and header components.", "effort": "small" }, { "id": "F06", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "modern-web-guidance", "severity": "critical", "confidence": "high", "summary": "Cold-load performance is far outside good Core Web Vitals targets.", "evidence": "Lighthouse measured performance 0.38, LCP 19.6 s, FCP 6.3 s, TBT 820 ms and Speed Index 8.6 s; trace measured 5 long tasks and 380.83 ms TBT.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Prioritize the LCP element, reduce JavaScript, and break up long tasks; verify against field and lab CWV.", "effort": "medium" }, { "id": "F07", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-main-thread", "guidanceId": "break-up-long-tasks", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Heavy scripting blocks the main thread.", "evidence": "Lighthouse measured performance 0.38, LCP 19.6 s, FCP 6.3 s, TBT 820 ms and Speed Index 8.6 s; trace measured 5 long tasks and 380.83 ms TBT.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Break long tasks, schedule non-critical work by priority, and defer analytics and merchandising hydration.", "effort": "medium" }, { "id": "F08", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-preload-priority", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "The page makes an excessive number of requests and delivers a large script payload.", "evidence": "HAR recorded 422 requests and 3,629,747 transferred bytes, including 266 scripts (2,929,970 bytes) and 390 third-party requests.", "artifacts": [ "evidence/home.har", "evidence/home-summary.json" ], "suggestedFix": "Shorten critical dependency chains, defer non-critical requests, and preload only genuinely critical assets.", "effort": "medium" }, { "id": "F09", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "JavaScript dominates the transfer budget.", "evidence": "HAR recorded 422 requests and 3,629,747 transferred bytes, including 266 scripts (2,929,970 bytes) and 390 third-party requests.", "artifacts": [ "evidence/home.har", "evidence/home-summary.json", "evidence/lighthouse.json" ], "suggestedFix": "Use route-level code splitting and coverage analysis to remove unused and duplicate bundles and delay third parties.", "effort": "medium" }, { "id": "F10", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "Focusable elements include unnamed links and product-price containers.", "evidence": "Probe found doctype html, lang en-US, one H1, ordered H1/H2/H3 headings, 57 visible controls, visible focus, and 11 potentially unnamed focusable elements including product-price divs. Lighthouse accessibility scored 0.97; link-name failed for one link while contrast, labels, button names and heading order passed.", "artifacts": [ "evidence/home-structure-probe.json", "evidence/lighthouse.json" ], "suggestedFix": "Give every focusable element a meaningful accessible name; remove tabindex from non-interactive price wrappers.", "effort": "medium" }, { "id": "F11", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "The page logs many browser errors during load.", "evidence": "Lighthouse found 17 browser-console error entries.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Resolve runtime/network errors and prevent expected failures from being emitted as console errors.", "effort": "medium" }, { "id": "F12", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "Images are frequently oversized or delivered in legacy formats.", "evidence": "Image audit found 8 oversized images, 19 legacy-format images, 3 without srcset and 1 missing alt; all had dimensions.", "artifacts": [ "evidence/home-images.json" ], "suggestedFix": "Serve responsive AVIF/WebP variants at display-appropriate sizes and provide complete alt text.", "effort": "medium" }, { "id": "F13", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "The cold load emits inspector-visible browser errors.", "evidence": "Lighthouse found 17 browser-console error entries.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Audit the 17 Lighthouse console-error entries, remove deprecated/broken integrations, and keep third-party failures contained.", "effort": "medium" }, { "id": "F14", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Cookie and response-header hardening is incomplete.", "evidence": "HTTPS, CSP, HSTS, frame protections and Permissions-Policy are present, but X-Content-Type-Options and Referrer-Policy are absent. Cookie audit found 16 cookies reported without Secure and several SameSite=None; vtc lasts 400 days.", "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "suggestedFix": "Set Secure on every HTTPS cookie, review SameSite=None use, and add nosniff and an explicit Referrer-Policy.", "effort": "medium" }, { "id": "F15", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "The homepage has a large third-party and tracking footprint.", "evidence": "Tracker capture found seven third-party origins and known Google advertising and Criteo endpoints. HAR recorded 422 requests and 3,629,747 transferred bytes, including 266 scripts (2,929,970 bytes) and 390 third-party requests.", "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json" ], "suggestedFix": "Minimize, batch, consent-gate and defer analytics/advertising requests; remove vendors without demonstrated user value.", "effort": "medium" }, { "id": "F16", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "Defensive policy coverage has material gaps.", "evidence": "HTTPS, CSP, HSTS, frame protections and Permissions-Policy are present, but X-Content-Type-Options and Referrer-Policy are absent. The CSP only declares frame-ancestors and does not constrain script sources.", "artifacts": [ "evidence/headers.json" ], "suggestedFix": "Deploy a fuller nonce/hash-based CSP, nosniff and Referrer-Policy, then review Trusted Types for the XSS-sensitive app.", "effort": "medium" }, { "id": "F17", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-internationalised", "principleCheckId": "lang-dir-and-logical-properties", "guidanceId": "translator", "guidanceCategory": "modern-web-guidance", "severity": "low", "confidence": "high", "summary": "Layout CSS is not writing-mode resilient.", "evidence": "DOM declares lang=en-US, but rendered CSS contains extensive physical left/right declarations and no document dir.", "artifacts": [ "evidence/home-dom.json", "evidence/home-structure-probe.json" ], "suggestedFix": "Prefer logical inline/block properties and set direction intentionally for localized document variants.", "effort": "small" }, { "id": "F18", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-trustworthy", "principleCheckId": "trustworthy-input-assistance", "guidanceId": "forms", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "The primary search input disables browser autocomplete.", "evidence": "The only accessible homepage input is search with autocomplete=\"off\"; search/product/account flows could not be exercised through the bot wall.", "artifacts": [ "evidence/home-structure-probe.json" ], "suggestedFix": "Allow useful search suggestions/history where privacy policy permits; use appropriate autocomplete tokens in account and checkout forms.", "effort": "medium" }, { "id": "F19", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "Image delivery wastes bytes and misses modern formats.", "evidence": "Image audit found 8 oversized images, 19 legacy-format images, 3 without srcset and 1 missing alt; all had dimensions.", "artifacts": [ "evidence/home-images.json" ], "suggestedFix": "Generate responsive AVIF/WebP sources and right-size each merchandising image to its rendered slot.", "effort": "medium" }, { "id": "F20", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "efficient-background-processing", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "The homepage performs disproportionate scripting and background requests.", "evidence": "HAR and image evidence show 3.63 MB/422 requests, 2.93 MB script, 19 legacy images and 390 requests classified third-party.", "artifacts": [ "evidence/home-summary.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Defer or eliminate non-visible work, batch analytics, and load below-fold merchandising only near the viewport.", "effort": "medium" }, { "id": "F21", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "batch-analytics-events", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Third-party requests dominate the network budget.", "evidence": "HAR and image evidence show 3.63 MB/422 requests, 2.93 MB script, 19 legacy images and 390 requests classified third-party.", "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json" ], "suggestedFix": "Set and enforce a third-party budget, lazy-load non-essential vendors, and remove duplicate measurement paths.", "effort": "medium" }, { "id": "F22", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "guidanceCategory": "modern-web-guidance", "severity": "low", "confidence": "high", "summary": "A major commerce flow exposes no structured agent actions.", "evidence": "DOM probe found two JSON-LD blocks but no WebMCP surface and no on-device inference API usage.", "artifacts": [ "evidence/home-structure-probe.json" ], "suggestedFix": "Expose narrowly scoped, confirmable product-search, cart and order-status tools through agentic forms/WebMCP when the platform policy allows.", "effort": "small" }, { "id": "F23", "pathId": "home", "url": "https://www.walmart.com/", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "defer-rendering-heavy-content", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "The initial homepage JavaScript heap is disproportionately large.", "evidence": "Baseline heap contained 947,685 nodes, 63,515 closures and 57.86 MB self size on a single homepage view.", "artifacts": [ "evidence/heap-baseline.heapsnapshot" ], "suggestedFix": "Reduce hydrated component count, closures and retained application state; lazy-hydrate below-fold experiences.", "effort": "medium" } ], "taskList": [ { "id": "T01", "title": "Declare color-scheme and provide preference-driven dark surface/text tokens with prefers-color-scheme or light-dark().", "priority": 1, "findingIds": [ "F01" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T02", "title": "Disable auto-advance and remove or shorten non-essential animations inside prefers-reduced-motion: reduce.", "priority": 2, "findingIds": [ "F02" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T03", "title": "Use same-document and cross-document View Transitions for meaningful state changes, with reduced-motion fallbacks.", "priority": 3, "findingIds": [ "F03" ], "guidanceId": "same-document-transitions", "status": "open" }, { "id": "T04", "title": "Use scroll-state/container queries or a lightweight declarative shrinking-header pattern.", "priority": 4, "findingIds": [ "F04" ], "guidanceId": "shrinking-header-on-scroll", "status": "open" }, { "id": "T05", "title": "Introduce container queries for reused merchandising cards and header components.", "priority": 5, "findingIds": [ "F05" ], "guidanceId": "size-aware-styling", "status": "open" }, { "id": "T06", "title": "Prioritize the LCP element, reduce JavaScript, and break up long tasks; verify against field and lab CWV.", "priority": 6, "findingIds": [ "F06" ], "guidanceId": "performance", "status": "open" }, { "id": "T07", "title": "Break long tasks, schedule non-critical work by priority, and defer analytics and merchandising hydration.", "priority": 7, "findingIds": [ "F07" ], "guidanceId": "break-up-long-tasks", "status": "open" }, { "id": "T08", "title": "Shorten critical dependency chains, defer non-critical requests, and preload only genuinely critical assets.", "priority": 8, "findingIds": [ "F08" ], "guidanceId": "optimize-preload-priority", "status": "open" }, { "id": "T09", "title": "Use route-level code splitting and coverage analysis to remove unused and duplicate bundles and delay third parties.", "priority": 9, "findingIds": [ "F09" ], "guidanceId": "identify-heavy-scripts", "status": "open" }, { "id": "T10", "title": "Give every focusable element a meaningful accessible name; remove tabindex from non-interactive price wrappers.", "priority": 10, "findingIds": [ "F10" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T11", "title": "Resolve runtime/network errors and prevent expected failures from being emitted as console errors.", "priority": 11, "findingIds": [ "F11" ], "guidanceId": "html", "status": "open" }, { "id": "T12", "title": "Serve responsive AVIF/WebP variants at display-appropriate sizes and provide complete alt text.", "priority": 12, "findingIds": [ "F12" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T13", "title": "Audit the 17 Lighthouse console-error entries, remove deprecated/broken integrations, and keep third-party failures contained.", "priority": 13, "findingIds": [ "F13" ], "guidanceId": "html", "status": "open" }, { "id": "T14", "title": "Set Secure on every HTTPS cookie, review SameSite=None use, and add nosniff and an explicit Referrer-Policy.", "priority": 14, "findingIds": [ "F14" ], "guidanceId": "security", "status": "open" }, { "id": "T15", "title": "Minimize, batch, consent-gate and defer analytics/advertising requests; remove vendors without demonstrated user value.", "priority": 15, "findingIds": [ "F15" ], "guidanceId": "privacy", "status": "open" }, { "id": "T16", "title": "Deploy a fuller nonce/hash-based CSP, nosniff and Referrer-Policy, then review Trusted Types for the XSS-sensitive app.", "priority": 16, "findingIds": [ "F16" ], "guidanceId": "security", "status": "open" }, { "id": "T17", "title": "Prefer logical inline/block properties and set direction intentionally for localized document variants.", "priority": 17, "findingIds": [ "F17" ], "guidanceId": "translator", "status": "open" }, { "id": "T18", "title": "Allow useful search suggestions/history where privacy policy permits; use appropriate autocomplete tokens in account and checkout forms.", "priority": 18, "findingIds": [ "F18" ], "guidanceId": "forms", "status": "open" }, { "id": "T19", "title": "Generate responsive AVIF/WebP sources and right-size each merchandising image to its rendered slot.", "priority": 19, "findingIds": [ "F19" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T20", "title": "Defer or eliminate non-visible work, batch analytics, and load below-fold merchandising only near the viewport.", "priority": 20, "findingIds": [ "F20" ], "guidanceId": "efficient-background-processing", "status": "open" }, { "id": "T21", "title": "Set and enforce a third-party budget, lazy-load non-essential vendors, and remove duplicate measurement paths.", "priority": 21, "findingIds": [ "F21" ], "guidanceId": "batch-analytics-events", "status": "open" }, { "id": "T22", "title": "Expose narrowly scoped, confirmable product-search, cart and order-status tools through agentic forms/WebMCP when the platform policy allows.", "priority": 22, "findingIds": [ "F22" ], "guidanceId": "webmcp", "status": "open" }, { "id": "T23", "title": "Reduce hydrated component count, closures and retained application state; lazy-hydrate below-fold experiences.", "priority": 23, "findingIds": [ "F23" ], "guidanceId": "defer-rendering-heavy-content", "status": "open" } ], "budget": { "pathCount": 5, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-28T11-00-41-706Z" }