{
  "url": "https://www.ebay.de",
  "auditedAt": "2026-07-18T09:42:11.321Z",
  "mode": "report",
  "status": "completed",
  "statusDetail": "Coverage-complete representative audit. Search and product paths returned reproducible eBay server errors and were judged as issues, not audit blockers, because the remaining site surfaces were inspectable.",
  "page": {
    "appType": "hybrid",
    "framework": "Server-rendered multi-page marketplace with hydrated components",
    "notes": "Public German commerce marketplace. Representative pages: home, category, deals, search, item detail, and 404. Not covered: authenticated account, checkout/payment completion, seller listing submission, or post-consent partner behavior because they require credentials, transactions, or broader consent scope."
  },
  "evidenceUsed": [
    "screenshot",
    "dom",
    "layout-metrics",
    "evaluate-probe",
    "trace",
    "har",
    "discoverability",
    "headers",
    "cookies",
    "trackers",
    "secrets",
    "images",
    "heap-summary",
    "lighthouse",
    "robots/sitemap fetch",
    "Modern Web Guidance 0.0.172"
  ],
  "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"
  ],
  "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": "screenshot + computed/CSS probe",
      "evidence": "Dark emulation left the document and header white; html computed color-scheme was normal and the CSS probe found no prefers-color-scheme rule.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-dark.png",
        "evidence/css-platform-usage.json"
      ],
      "findingIds": [
        "F01"
      ]
    },
    {
      "principleId": "respect-user-preferences",
      "checkId": "respects-reduced-motion",
      "status": "pass",
      "confidence": "high",
      "method": "reduced-motion evaluate probe",
      "evidence": "Under prefers-reduced-motion: reduce there were no running animations, all 12 media elements were paused without autoplay, and two stylesheets contained reduced-motion handling.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/reduced-motion.json"
      ]
    },
    {
      "principleId": "respect-user-preferences",
      "checkId": "respects-contrast",
      "status": "issues",
      "confidence": "high",
      "method": "high-contrast screenshot + CSS probe",
      "evidence": "The high-contrast capture remained the ordinary palette and CSS inspection found no prefers-contrast or forced-colors handling.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-high-contrast.png",
        "evidence/css-platform-usage.json"
      ],
      "findingIds": [
        "F02"
      ]
    },
    {
      "principleId": "implement-natural-interactions",
      "checkId": "view-transitions",
      "status": "pass",
      "confidence": "high",
      "method": "rendered CSS feature-usage probe",
      "evidence": "Rendered CSS contained view-transition rules, showing state changes use the platform transition mechanism.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/css-platform-usage.json"
      ]
    },
    {
      "principleId": "implement-natural-interactions",
      "checkId": "scroll-driven-animations",
      "status": "pass",
      "confidence": "high",
      "method": "rendered CSS feature-usage probe",
      "evidence": "Rendered CSS contained animation-timeline/scroll-timeline rules rather than relying only on imperative scrolling.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/css-platform-usage.json"
      ]
    },
    {
      "principleId": "implement-natural-interactions",
      "checkId": "physical-gestures",
      "status": "pass",
      "confidence": "high",
      "method": "rendered CSS feature-usage probe + screenshot",
      "evidence": "Rendered CSS uses scroll-snap and the homepage carousel presents native-like previous, next, pause, and position controls.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/css-platform-usage.json",
        "evidence/home-dark.png"
      ]
    },
    {
      "principleId": "provide-guided-navigation",
      "checkId": "scroll-state-aware-chrome",
      "status": "pass",
      "confidence": "high",
      "method": "CSS and visual inspection",
      "evidence": "Scroll-timeline/scroll-snap styling and explicit carousel position controls provide state-aware navigation feedback.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/css-platform-usage.json",
        "evidence/home-dark.png"
      ]
    },
    {
      "principleId": "provide-guided-navigation",
      "checkId": "anchored-positioning",
      "status": "pass",
      "confidence": "high",
      "method": "rendered CSS feature-usage probe",
      "evidence": "Rendered CSS contains anchor positioning rules, and no sampled menu was visibly detached from its trigger.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/css-platform-usage.json"
      ]
    },
    {
      "principleId": "provide-guided-navigation",
      "checkId": "directs-attention",
      "status": "pass",
      "confidence": "high",
      "method": "desktop screenshot + heading/navigation profile",
      "evidence": "The hero, carousel markers, labelled category navigation, and strong section headings make current context and next destinations visible.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-desktop.png",
        "evidence/home-profile.json"
      ]
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "checkId": "no-intrusive-interruptions",
      "status": "issues",
      "confidence": "high",
      "method": "desktop and mobile load screenshots",
      "evidence": "The consent banner obscures roughly the lower quarter of desktop and almost the entire remaining mobile viewport before interaction.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-desktop.png",
        "evidence/home-mobile.png"
      ],
      "findingIds": [
        "F03"
      ]
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "checkId": "semantic-dismissible-primitives",
      "status": "issues",
      "confidence": "high",
      "method": "DOM/profile inspection",
      "evidence": "The page exposed many custom DIV role=dialog nodes but zero native dialog, popover, or details elements.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-profile.json",
        "evidence/css-platform-usage.json"
      ],
      "findingIds": [
        "F04"
      ]
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "checkId": "reduced-chrome",
      "status": "pass",
      "confidence": "high",
      "method": "desktop screenshot",
      "evidence": "After consent rejection, the main surface is content-led with a compact two-row header and no enclosing application frame.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-dark.png"
      ]
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "checkId": "responsive-no-horizontal-scroll",
      "status": "issues",
      "confidence": "high",
      "method": "mobile layout metrics + screenshot",
      "evidence": "At a 360px visual viewport, layout reported 407px scroll width and 47px horizontal overflow.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-mobile-layout.json",
        "evidence/home-mobile.png"
      ],
      "findingIds": [
        "F05"
      ]
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "checkId": "component-level-responsiveness",
      "status": "pass",
      "confidence": "high",
      "method": "rendered CSS probe + mobile/desktop screenshots",
      "evidence": "CSS inspection found 25 container rules, and header/content composition changes between 1440px and 360px.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/interaction-probe.json",
        "evidence/home-desktop.png",
        "evidence/home-mobile.png"
      ]
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "checkId": "input-modality-aware",
      "status": "pass",
      "confidence": "high",
      "method": "focus and target probe + Lighthouse",
      "evidence": "Programmatic keyboard focus produced a visible auto outline; Lighthouse target-size passed and primary controls remain available without hover.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/interaction-probe.json",
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "checkId": "clear-purpose-and-primary-action",
      "status": "pass",
      "confidence": "high",
      "method": "first-viewport screenshots",
      "evidence": "Homepage, category, and deals surfaces clearly identify eBay browse/search and expose prominent search and offer actions.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-dark.png",
        "evidence/category-mobile.png",
        "evidence/deals-desktop.png"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "checkId": "primary-flow-completion",
      "status": "issues",
      "confidence": "high",
      "method": "search and product walkthrough",
      "evidence": "A direct search for “iphone 15” and a live item linked from Deals both returned the generic “Something went wrong on our end” error, preventing browse-to-item completion.",
      "pathIds": [
        "search",
        "product"
      ],
      "artifacts": [
        "evidence/search-desktop.png",
        "evidence/product-desktop.png",
        "evidence/search-dom.json",
        "evidence/product-dom.json"
      ],
      "findingIds": [
        "F06"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "checkId": "clear-system-state-and-recovery",
      "status": "pass",
      "confidence": "high",
      "method": "error-route screenshots",
      "evidence": "Both generic failures and the intentional not-found route explain the state and offer a homepage/back or help recovery path.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/product-desktop.png",
        "evidence/not-found.png"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "good-core-web-vitals",
      "status": "issues",
      "confidence": "high",
      "method": "Lighthouse + trace",
      "evidence": "Lighthouse measured LCP 17.0s, FCP 8.3s, TBT 410ms and performance 0.46; trace corroborated LCP 4.83s.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json",
        "evidence/home-trace-summary.json"
      ],
      "findingIds": [
        "F07"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "visual-stability",
      "status": "pass",
      "confidence": "high",
      "method": "layout observer + Lighthouse",
      "evidence": "The mobile layout observer and Lighthouse both measured CLS 0 with no recorded layout-shift entries.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-mobile-layout.json",
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "efficient-main-thread",
      "status": "issues",
      "confidence": "high",
      "method": "Lighthouse + trace",
      "evidence": "Lighthouse reported 9.5s main-thread work and 4.2s JavaScript execution; trace found three long tasks up to 97.6ms.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json",
        "evidence/home-trace-summary.json"
      ],
      "findingIds": [
        "F08"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "efficient-resource-delivery",
      "status": "issues",
      "confidence": "high",
      "method": "HAR + Lighthouse + DOM script confirmation",
      "evidence": "HAR transferred 3.38MB over 89 requests; Lighthouse found 750ms render-blocking savings and weak caching, while DOM inspection confirmed several parser scripts lacked async/defer.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-summary.json",
        "evidence/css-platform-usage.json",
        "evidence/lighthouse-summary.json",
        "evidence/home.har"
      ],
      "findingIds": [
        "F09"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "trim-unused-and-duplicate-code",
      "status": "issues",
      "confidence": "high",
      "method": "Lighthouse + HAR",
      "evidence": "Lighthouse estimated 563KiB unused JavaScript, 138KiB unused CSS, and 55KiB legacy JavaScript; HAR transferred 1.08MB of script.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json",
        "evidence/home-summary.json"
      ],
      "findingIds": [
        "F10"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "names-roles-labels",
      "status": "issues",
      "confidence": "high",
      "method": "Lighthouse + image audit",
      "evidence": "Lighthouse failed aria-hidden-focus and label/content-name matching; the image primitive reported 29 images without alt.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json",
        "evidence/images.json"
      ],
      "findingIds": [
        "F11"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "sufficient-contrast",
      "status": "pass",
      "confidence": "high",
      "method": "Lighthouse contrast audit",
      "evidence": "Lighthouse color-contrast passed with no failing elements.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "structure-and-focus",
      "status": "issues",
      "confidence": "high",
      "method": "Lighthouse + focus probe",
      "evidence": "Keyboard focus was visible, but Lighthouse found no valid main landmark and focusable descendants inside aria-hidden content.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json",
        "evidence/interaction-probe.json"
      ],
      "findingIds": [
        "F12"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "legible-text",
      "status": "pass",
      "confidence": "high",
      "method": "visual inspection",
      "evidence": "Desktop and mobile captures show readable type, consistent alignment, and no observed text clipping in the sampled content.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-dark.png",
        "evidence/home-mobile.png"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "zoom-reflow-targets-and-media",
      "status": "issues",
      "confidence": "high",
      "method": "mobile layout + Lighthouse",
      "evidence": "Although Lighthouse target-size and viewport checks passed, the 360px layout still overflowed horizontally by 47px, so reflow is incomplete.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-mobile-layout.json",
        "evidence/lighthouse-summary.json"
      ],
      "findingIds": [
        "F13"
      ]
    },
    {
      "principleId": "follow-best-practices",
      "checkId": "no-console-errors",
      "status": "pass",
      "confidence": "high",
      "method": "Lighthouse console audit",
      "evidence": "Lighthouse reported no browser errors logged to the console.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "follow-best-practices",
      "checkId": "sound-document-and-assets",
      "status": "issues",
      "confidence": "high",
      "method": "DOM + image audit",
      "evidence": "Document doctype and UTF-8 are valid, but 79 of 80 images lacked explicit dimensions and 35 were oversized.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-profile.json",
        "evidence/images.json"
      ],
      "findingIds": [
        "F14"
      ]
    },
    {
      "principleId": "follow-best-practices",
      "checkId": "browser-platform-hygiene",
      "status": "issues",
      "confidence": "high",
      "method": "Lighthouse best-practices audits",
      "evidence": "Lighthouse reported one deprecated API, a BFCache blocker, missing source maps for large first-party JavaScript, and best-practices score 0.81.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ],
      "findingIds": [
        "F15"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "title-and-description",
      "status": "pass",
      "confidence": "high",
      "method": "DOM metadata probe",
      "evidence": "The homepage has a descriptive German title and detailed meta description.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-profile.json"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "crawlable-and-mobile-friendly",
      "status": "pass",
      "confidence": "high",
      "method": "DOM + robots + Lighthouse",
      "evidence": "Real href links, viewport metadata, readable robots.txt, and Lighthouse SEO 1.00 establish crawlability and mobile indexing signals.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-profile.json",
        "evidence/robots.txt",
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "canonical-and-indexing-signals",
      "status": "pass",
      "confidence": "high",
      "method": "metadata + raw fetch",
      "evidence": "Homepage returned 200, canonical points to https://www.ebay.de/, hreflang enumerates localized variants, and no accidental noindex was observed.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-profile.json",
        "evidence/home-discoverability.json"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "structured-and-shareable-metadata",
      "status": "pass",
      "confidence": "high",
      "method": "metadata profile + Lighthouse SEO",
      "evidence": "JSON-LD/Open Graph metadata was present in the rendered profile and Lighthouse SEO scored 1.00.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-profile.json",
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "secure-transport-and-headers",
      "status": "issues",
      "confidence": "high",
      "method": "headers + cookies primitives",
      "evidence": "HTTPS/HSTS/nosniff/frame protection are present, but CSP is absent and 16 cookies were flagged without Secure by CDP.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/headers.json",
        "evidence/cookies.json"
      ],
      "findingIds": [
        "F16"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "data-minimisation-and-third-parties",
      "status": "issues",
      "confidence": "high",
      "method": "HAR + trackers + consent screenshot",
      "evidence": "Before consent, the page set 16 cookies and contacted eight non-main origins; HAR classified 76 requests and 2.70MB outside the main origin.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/cookies.json",
        "evidence/trackers.json",
        "evidence/home-summary.json",
        "evidence/home-desktop.png"
      ],
      "findingIds": [
        "F17"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "in-context-permissions-and-modern-auth",
      "status": "pass",
      "confidence": "medium",
      "method": "DOM/runtime probe + Lighthouse",
      "evidence": "No notification/geolocation prompt appeared on load; credential APIs are available and no password-only wall was introduced in sampled public paths.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/interaction-probe.json",
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "defensive-browser-policies",
      "status": "issues",
      "confidence": "high",
      "method": "headers primitive",
      "evidence": "HSTS and SAMEORIGIN are set, but CSP, Referrer-Policy, and Permissions-Policy are absent.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/headers.json"
      ],
      "findingIds": [
        "F18"
      ]
    },
    {
      "principleId": "be-resilient",
      "checkId": "progressive-enhancement",
      "status": "pass",
      "confidence": "high",
      "method": "discoverability primitive",
      "evidence": "Raw HTML returned 200 with 84% rendered-word coverage and retained title, h1, and description; it is not a JS shell.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-discoverability.json",
        "evidence/home-discoverability-crawler.png"
      ]
    },
    {
      "principleId": "be-resilient",
      "checkId": "resilient-runtime-behaviour",
      "status": "pass",
      "confidence": "high",
      "method": "visual and DOM inspection",
      "evidence": "Sampled category/deals overlays remained within viewport bounds, and explicit error states replaced broken or blank shells.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/category-mobile.png",
        "evidence/deals-desktop.png",
        "evidence/not-found.png"
      ]
    },
    {
      "principleId": "be-resilient",
      "checkId": "offline-and-installable",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Applicability judgement from representative paths",
      "evidence": "eBay is an intrinsically network-dependent commerce marketplace; installability and a general offline transaction flow are not appropriate to this representative public journey.",
      "reason": "eBay is an intrinsically network-dependent commerce marketplace; installability and a general offline transaction flow are not appropriate to this representative public journey."
    },
    {
      "principleId": "be-resilient",
      "checkId": "network-and-http-failure-states",
      "status": "pass",
      "confidence": "high",
      "method": "failure-route walkthrough",
      "evidence": "Search/item failures and a 404 each render a clear message and recovery link rather than an infinite spinner or blank shell.",
      "pathIds": [
        "search",
        "product",
        "not-found"
      ],
      "artifacts": [
        "evidence/search-desktop.png",
        "evidence/not-found.png"
      ]
    },
    {
      "principleId": "be-internationalised",
      "checkId": "lang-dir-and-logical-properties",
      "status": "pass",
      "confidence": "high",
      "method": "DOM/CSS probe",
      "evidence": "html lang is de-DE, hreflang variants are extensive, and rendered CSS uses logical inline properties.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-profile.json",
        "evidence/css-platform-usage.json"
      ]
    },
    {
      "principleId": "be-internationalised",
      "checkId": "locale-aware-data",
      "status": "pass",
      "confidence": "high",
      "method": "rendered commerce screenshots",
      "evidence": "German copy and locale-appropriate EUR prices such as “EUR 189,99” are rendered consistently.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/deals-desktop.png"
      ]
    },
    {
      "principleId": "be-internationalised",
      "checkId": "time-zone-correctness",
      "status": "pass",
      "confidence": "medium",
      "method": "rendered homepage profile",
      "evidence": "The event time is explicitly presented in localized German date/time form, providing an unambiguous local user-facing value.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-desktop.png",
        "evidence/home-profile.json"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "no-dark-patterns",
      "status": "issues",
      "confidence": "high",
      "method": "consent screenshots",
      "evidence": "The consent wall blocks content and, on mobile, its reject/customize actions are below the first viewport, creating avoidable consent friction.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-mobile.png",
        "evidence/home-desktop.png"
      ],
      "findingIds": [
        "F24"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "humane-error-handling",
      "status": "pass",
      "confidence": "high",
      "method": "error walkthrough",
      "evidence": "Failure screens use neutral language, explain that the problem is on eBay’s side, retain a reference ID, and offer recovery without blaming the user.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/search-desktop.png",
        "evidence/product-desktop.png"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "trustworthy-input-assistance",
      "status": "pass",
      "confidence": "high",
      "method": "form DOM probe",
      "evidence": "Search input and category select have explicit accessible labels, appropriate types, and predictable actions.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-profile.json"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "safe-commercial-and-account-flows",
      "status": "issues",
      "confidence": "high",
      "method": "deal-to-item walkthrough",
      "evidence": "A live offer linked from Deals cannot reach its item page and instead returns a generic server error, breaking a commercial flow before pricing/commitment can be completed.",
      "pathIds": [
        "search",
        "product"
      ],
      "artifacts": [
        "evidence/deals-desktop.png",
        "evidence/product-desktop.png"
      ],
      "findingIds": [
        "F25"
      ]
    },
    {
      "principleId": "be-sustainable",
      "checkId": "optimised-assets",
      "status": "issues",
      "confidence": "high",
      "method": "image audit + HAR",
      "evidence": "35 images were oversized, 52 lacked srcset, and 20 used legacy formats; images transferred about 2.0MB.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/images.json",
        "evidence/home-summary.json"
      ],
      "findingIds": [
        "F21"
      ]
    },
    {
      "principleId": "be-sustainable",
      "checkId": "no-wasteful-work",
      "status": "issues",
      "confidence": "high",
      "method": "Lighthouse + HAR",
      "evidence": "The page shipped 563KiB estimated unused JS, 138KiB unused CSS, and 89 requests on initial load.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json",
        "evidence/home-summary.json"
      ],
      "findingIds": [
        "F22"
      ]
    },
    {
      "principleId": "be-sustainable",
      "checkId": "third-party-and-media-budget",
      "status": "issues",
      "confidence": "high",
      "method": "HAR + trackers",
      "evidence": "Non-main-origin delivery accounted for 76 requests and 2.70MB; initial total transfer was 3.38MB despite no user-started media.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-summary.json",
        "evidence/trackers.json"
      ],
      "findingIds": [
        "F23"
      ]
    },
    {
      "principleId": "be-agent-ready",
      "checkId": "structured-agent-capabilities",
      "status": "issues",
      "confidence": "high",
      "method": "DOM/profile + discoverability",
      "evidence": "Content is crawler-visible, but no WebMCP, agentic-form, or agentic JavaScript tool registration was exposed for this commerce surface.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/home-profile.json",
        "evidence/home-discoverability.json"
      ],
      "findingIds": [
        "F19"
      ]
    },
    {
      "principleId": "be-agent-ready",
      "checkId": "on-device-inference",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Applicability judgement from representative paths",
      "evidence": "No bounded on-device inference task was present in the sampled browse, search, deal, or product journey; absence is not a defect for this emerging contextual check.",
      "reason": "No bounded on-device inference task was present in the sampled browse, search, deal, or product journey; absence is not a defect for this emerging contextual check."
    },
    {
      "principleId": "be-memory-efficient",
      "checkId": "no-leak-under-repeated-interaction",
      "status": "pass",
      "confidence": "high",
      "method": "baseline/post heap comparison",
      "evidence": "After ten carousel-next clicks, snapshot totals were lower (759,595 nodes; 44.6MB) than baseline (813,980 nodes; 63.5MB), with no retained-growth signal.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/heap-baseline.json",
        "evidence/heap-post-carousel-valid.json"
      ]
    },
    {
      "principleId": "be-memory-efficient",
      "checkId": "bounded-footprint",
      "status": "issues",
      "confidence": "high",
      "method": "heap summary",
      "evidence": "Baseline heap contained 813,980 nodes, 3.29M edges, and 63.5MB self size, a high initial footprint for a marketplace landing page.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/heap-baseline.json"
      ],
      "findingIds": [
        "F20"
      ]
    },
    {
      "principleId": "be-memory-efficient",
      "checkId": "no-detached-dom-or-unbounded-listeners",
      "status": "pass",
      "confidence": "medium",
      "method": "before/post heap comparison",
      "evidence": "Ten repeated carousel actions did not increase aggregate nodes, edges, or heap self size; no accumulating detached/listener signal was observed at summary level.",
      "pathIds": [
        "home",
        "deals",
        "category"
      ],
      "artifacts": [
        "evidence/heap-baseline.json",
        "evidence/heap-post-carousel-valid.json"
      ]
    }
  ],
  "principleOutcomes": [
    {
      "principleId": "respect-user-preferences",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F01",
        "F02"
      ]
    },
    {
      "principleId": "implement-natural-interactions",
      "expectation": "default",
      "status": "pass"
    },
    {
      "principleId": "provide-guided-navigation",
      "expectation": "default",
      "status": "pass"
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F03",
        "F04"
      ]
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F05"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F06"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F07",
        "F08",
        "F09",
        "F10"
      ]
    },
    {
      "principleId": "be-inclusive",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F11",
        "F12",
        "F13"
      ]
    },
    {
      "principleId": "follow-best-practices",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F14",
        "F15"
      ]
    },
    {
      "principleId": "be-discoverable",
      "expectation": "default",
      "status": "pass"
    },
    {
      "principleId": "be-private-and-secure",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F16",
        "F17",
        "F18"
      ]
    },
    {
      "principleId": "be-resilient",
      "expectation": "contextual",
      "status": "pass"
    },
    {
      "principleId": "be-internationalised",
      "expectation": "contextual",
      "status": "pass"
    },
    {
      "principleId": "be-trustworthy",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F24",
        "F25"
      ]
    },
    {
      "principleId": "be-sustainable",
      "expectation": "contextual",
      "status": "issues",
      "findingIds": [
        "F21",
        "F22",
        "F23"
      ]
    },
    {
      "principleId": "be-agent-ready",
      "expectation": "contextual",
      "status": "issues",
      "findingIds": [
        "F19"
      ]
    },
    {
      "principleId": "be-memory-efficient",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F20"
      ]
    }
  ],
  "paths": [
    {
      "id": "home",
      "description": "Homepage entry, global navigation, search, promotional carousel, preferences, mobile reflow, performance, security, discoverability, and consent.",
      "url": "https://www.ebay.de",
      "conditions": [
        "1440x1000",
        "360x800",
        "prefers-color-scheme: dark",
        "prefers-contrast: more",
        "prefers-reduced-motion: reduce",
        "keyboard focus"
      ],
      "result": "issues"
    },
    {
      "id": "category",
      "description": "Electronics category archetype representing browse/category templates.",
      "url": "https://www.ebay.de/b/Elektronik-Technik/bn_7000259853",
      "conditions": [
        "360x800",
        "anonymous fresh profile"
      ],
      "result": "issues"
    },
    {
      "id": "deals",
      "description": "Deals listing archetype and entry into a high-value commercial item journey.",
      "url": "https://www.ebay.de/deals",
      "conditions": [
        "1440x1000",
        "anonymous fresh profile"
      ],
      "result": "issues"
    },
    {
      "id": "search",
      "description": "Primary product-search journey for “iphone 15”; returned eBay error page.",
      "url": "https://www.ebay.de/sch/i.html?_nkw=iphone+15",
      "conditions": [
        "1440x1000",
        "anonymous fresh profile"
      ],
      "result": "failed"
    },
    {
      "id": "product",
      "description": "Live item linked from Deals, representing product detail and purchase entry; returned eBay error page.",
      "url": "https://www.ebay.de/itm/177588243205",
      "conditions": [
        "1440x1000",
        "anonymous fresh profile"
      ],
      "result": "failed"
    },
    {
      "id": "not-found",
      "description": "Intentional invalid route to assess HTTP/error recovery state.",
      "url": "https://www.ebay.de/this-route-does-not-exist-web-uplift",
      "conditions": [
        "1440x900",
        "anonymous fresh profile"
      ],
      "result": "pass"
    }
  ],
  "findings": [
    {
      "id": "F01",
      "severity": "medium",
      "confidence": "high",
      "summary": "No user-preference dark theme",
      "evidence": "Dark preference leaves the light document unchanged.",
      "suggestedFix": "Declare color-scheme and theme surfaces with prefers-color-scheme/light-dark().",
      "guidanceId": "dark-mode",
      "guidanceCategory": "user-experience",
      "effort": "small",
      "principleId": "respect-user-preferences",
      "principleCheckId": "respects-color-scheme",
      "artifacts": [
        "evidence/home-dark.png",
        "evidence/css-platform-usage.json"
      ]
    },
    {
      "id": "F02",
      "severity": "medium",
      "confidence": "high",
      "summary": "No explicit high-contrast adaptation",
      "evidence": "The stylesheet has no prefers-contrast or forced-colors branch.",
      "suggestedFix": "Add forced-colors and prefers-contrast adaptations that preserve control boundaries and focus.",
      "guidanceId": "adapt-scrollbar-to-contrast-preferences",
      "guidanceCategory": "accessibility",
      "effort": "small",
      "principleId": "respect-user-preferences",
      "principleCheckId": "respects-contrast",
      "artifacts": [
        "evidence/home-high-contrast.png"
      ]
    },
    {
      "id": "F03",
      "severity": "high",
      "confidence": "high",
      "summary": "Consent UI obscures core content on load",
      "evidence": "The banner dominates the mobile first viewport and covers content on desktop.",
      "suggestedFix": "Use a compact, non-blocking consent treatment with all choices visible and preserve immediate access to core content.",
      "guidanceId": "light-dismiss-a-dialog",
      "guidanceCategory": "user-experience",
      "effort": "medium",
      "principleId": "maximize-content-reduce-noise",
      "principleCheckId": "no-intrusive-interruptions",
      "artifacts": [
        "evidence/home-mobile.png",
        "evidence/home-desktop.png"
      ]
    },
    {
      "id": "F04",
      "severity": "medium",
      "confidence": "high",
      "summary": "Overlays rely on custom dialog DIVs",
      "evidence": "Rendered DOM contains role=dialog DIVs but no dialog/popover/details primitives.",
      "suggestedFix": "Use native dialog for modal consent and popover/details for transient disclosures, retaining declarative dismissal and focus handling.",
      "guidanceId": "declarative-dialog-popover-control",
      "guidanceCategory": "user-experience",
      "effort": "large",
      "principleId": "maximize-content-reduce-noise",
      "principleCheckId": "semantic-dismissible-primitives",
      "artifacts": [
        "evidence/home-profile.json"
      ]
    },
    {
      "id": "F05",
      "severity": "medium",
      "confidence": "high",
      "summary": "Mobile layout overflows horizontally",
      "evidence": "360px layout is 407px wide, producing 47px overflow.",
      "suggestedFix": "Remove fixed/min widths causing overflow and use intrinsic/fluid sizing within the visual viewport.",
      "guidanceId": "fluid-scaling",
      "guidanceCategory": "css",
      "effort": "medium",
      "principleId": "adapt-to-the-form-factor",
      "principleCheckId": "responsive-no-horizontal-scroll",
      "artifacts": [
        "evidence/home-mobile-layout.json"
      ]
    },
    {
      "id": "F06",
      "severity": "critical",
      "confidence": "high",
      "summary": "Search and item journeys fail",
      "evidence": "A common product search and a current Deals item both returned an eBay server error.",
      "suggestedFix": "Restore search/item routing for ordinary headless and anonymous users; provide retry that preserves query/item context.",
      "guidanceId": "primary user journey task completion",
      "guidanceCategory": "forms",
      "effort": "large",
      "principleId": "support-core-task-success",
      "principleCheckId": "primary-flow-completion",
      "artifacts": [
        "evidence/search-desktop.png",
        "evidence/product-desktop.png"
      ]
    },
    {
      "id": "F07",
      "severity": "high",
      "confidence": "high",
      "summary": "LCP is outside the good range",
      "evidence": "Lighthouse LCP was 17.0s and trace LCP 4.83s.",
      "suggestedFix": "Prioritize the LCP asset, shorten critical dependencies, and defer non-critical page work.",
      "guidanceId": "optimize-image-priority",
      "guidanceCategory": "performance",
      "effort": "large",
      "principleId": "be-fast-and-stable",
      "principleCheckId": "good-core-web-vitals",
      "artifacts": [
        "evidence/lighthouse-summary.json",
        "evidence/home-trace-summary.json"
      ]
    },
    {
      "id": "F08",
      "severity": "high",
      "confidence": "high",
      "summary": "Initial load performs excessive main-thread work",
      "evidence": "Lighthouse recorded 9.5s main-thread work and 4.2s JS execution.",
      "suggestedFix": "Break up long tasks and defer, chunk, or remove low-value scripts.",
      "guidanceId": "break-up-long-tasks",
      "guidanceCategory": "performance",
      "effort": "large",
      "principleId": "be-fast-and-stable",
      "principleCheckId": "efficient-main-thread",
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "id": "F09",
      "severity": "high",
      "confidence": "high",
      "summary": "Resource delivery delays primary content",
      "evidence": "3.38MB/89 requests include confirmed parser scripts and render-blocking CSS.",
      "suggestedFix": "Defer non-critical scripts, tighten cache lifetimes, and shorten the critical resource chain.",
      "guidanceId": "optimize-script-priority",
      "guidanceCategory": "performance",
      "effort": "large",
      "principleId": "be-fast-and-stable",
      "principleCheckId": "efficient-resource-delivery",
      "artifacts": [
        "evidence/home-summary.json",
        "evidence/home.har"
      ]
    },
    {
      "id": "F10",
      "severity": "medium",
      "confidence": "high",
      "summary": "Large unused and legacy payloads ship on load",
      "evidence": "Lighthouse estimates 563KiB unused JS, 138KiB unused CSS, and 55KiB legacy JS.",
      "suggestedFix": "Code-split by surface, remove duplicate/legacy branches, and load optional dependencies conditionally.",
      "guidanceId": "conditional-async-dependencies",
      "guidanceCategory": "performance",
      "effort": "large",
      "principleId": "be-fast-and-stable",
      "principleCheckId": "trim-unused-and-duplicate-code",
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "id": "F11",
      "severity": "high",
      "confidence": "high",
      "summary": "Accessible names and hidden focus state are inconsistent",
      "evidence": "Lighthouse found aria-hidden focus and accessible-name mismatch; 29 images lacked alt.",
      "suggestedFix": "Remove focusable descendants from aria-hidden regions, align names with labels, and add meaningful or empty alt as appropriate.",
      "guidanceId": "accessibility",
      "guidanceCategory": "accessibility",
      "effort": "medium",
      "principleId": "be-inclusive",
      "principleCheckId": "names-roles-labels",
      "artifacts": [
        "evidence/lighthouse-summary.json",
        "evidence/images.json"
      ]
    },
    {
      "id": "F12",
      "severity": "high",
      "confidence": "high",
      "summary": "Main landmark and focus structure are invalid",
      "evidence": "Lighthouse reports no main landmark and focusable content under aria-hidden.",
      "suggestedFix": "Expose one semantic main landmark and keep focus order/state outside hidden subtrees.",
      "guidanceId": "move-dom-element-without-losing-state",
      "guidanceCategory": "accessibility",
      "effort": "medium",
      "principleId": "be-inclusive",
      "principleCheckId": "structure-and-focus",
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "id": "F13",
      "severity": "medium",
      "confidence": "high",
      "summary": "Narrow reflow is incomplete",
      "evidence": "The mobile viewport retains 47px horizontal overflow.",
      "suggestedFix": "Audit at 320–400px and zoom, replacing rigid sizing with intrinsic layout.",
      "guidanceId": "fluid-scaling",
      "guidanceCategory": "accessibility",
      "effort": "medium",
      "principleId": "be-inclusive",
      "principleCheckId": "zoom-reflow-targets-and-media",
      "artifacts": [
        "evidence/home-mobile-layout.json"
      ]
    },
    {
      "id": "F14",
      "severity": "medium",
      "confidence": "high",
      "summary": "Images omit intrinsic dimensions and are oversized",
      "evidence": "79/80 images omit width/height and 35 exceed 2x rendered width.",
      "suggestedFix": "Emit width/height or aspect-ratio and responsive srcset/sizes for each content image.",
      "guidanceId": "optimize-image-priority",
      "guidanceCategory": "performance",
      "effort": "large",
      "principleId": "follow-best-practices",
      "principleCheckId": "sound-document-and-assets",
      "artifacts": [
        "evidence/images.json"
      ]
    },
    {
      "id": "F15",
      "severity": "medium",
      "confidence": "high",
      "summary": "Deprecated API and BFCache/source-map hygiene gaps remain",
      "evidence": "Lighthouse found a deprecated API, BFCache blocker, and missing source maps.",
      "suggestedFix": "Replace deprecated calls, remove the BFCache blocker, and publish valid production source maps.",
      "guidanceId": "html",
      "guidanceCategory": "html",
      "effort": "medium",
      "principleId": "follow-best-practices",
      "principleCheckId": "browser-platform-hygiene",
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "id": "F16",
      "severity": "high",
      "confidence": "high",
      "summary": "CSP and cookie transport defenses are incomplete",
      "evidence": "No CSP is returned and CDP flagged 16 cookies without Secure.",
      "suggestedFix": "Deploy a nonce/hash-based CSP and mark every HTTPS cookie Secure with the narrowest suitable SameSite/HttpOnly policy.",
      "guidanceId": "security",
      "guidanceCategory": "security",
      "effort": "large",
      "principleId": "be-private-and-secure",
      "principleCheckId": "secure-transport-and-headers",
      "artifacts": [
        "evidence/headers.json",
        "evidence/cookies.json"
      ]
    },
    {
      "id": "F17",
      "severity": "medium",
      "confidence": "high",
      "summary": "Pre-consent data footprint is broad",
      "evidence": "Initial load sets 16 cookies and contacts eight non-main origins.",
      "suggestedFix": "Restrict pre-consent storage/networking to necessary functions and batch/minimize analytics after explicit consent.",
      "guidanceId": "privacy",
      "guidanceCategory": "privacy",
      "effort": "large",
      "principleId": "be-private-and-secure",
      "principleCheckId": "data-minimisation-and-third-parties",
      "artifacts": [
        "evidence/trackers.json",
        "evidence/home-summary.json"
      ]
    },
    {
      "id": "F18",
      "severity": "medium",
      "confidence": "high",
      "summary": "Referrer and permissions policies are absent",
      "evidence": "Response has no CSP, Referrer-Policy, or Permissions-Policy.",
      "suggestedFix": "Add strict Referrer-Policy and a least-privilege Permissions-Policy alongside CSP.",
      "guidanceId": "security",
      "guidanceCategory": "security",
      "effort": "small",
      "principleId": "be-private-and-secure",
      "principleCheckId": "defensive-browser-policies",
      "artifacts": [
        "evidence/headers.json"
      ]
    },
    {
      "id": "F19",
      "severity": "low",
      "confidence": "high",
      "summary": "Commerce capabilities are not exposed structurally to agents",
      "evidence": "No agent tool or agentic form registration was found.",
      "suggestedFix": "Explore guarded WebMCP tools for product search and item inspection with explicit user confirmation for actions.",
      "guidanceId": "webmcp",
      "guidanceCategory": "system",
      "effort": "large",
      "principleId": "be-agent-ready",
      "principleCheckId": "structured-agent-capabilities",
      "artifacts": [
        "evidence/home-profile.json"
      ]
    },
    {
      "id": "F20",
      "severity": "medium",
      "confidence": "high",
      "summary": "Initial memory footprint is high",
      "evidence": "Baseline heap held 813,980 nodes and 63.5MB self size.",
      "suggestedFix": "Profile dominant constructors and reduce retained catalog/carousel DOM and boot-time state.",
      "guidanceId": "defer-rendering-heavy-content",
      "guidanceCategory": "performance",
      "effort": "large",
      "principleId": "be-memory-efficient",
      "principleCheckId": "bounded-footprint",
      "artifacts": [
        "evidence/heap-baseline.json"
      ]
    },
    {
      "id": "F21",
      "severity": "medium",
      "confidence": "high",
      "summary": "Image delivery wastes bytes",
      "evidence": "35 oversized images, 52 without srcset, and 20 legacy-format files were found.",
      "suggestedFix": "Generate responsive modern-format variants and right-size decorative/catalog imagery.",
      "guidanceId": "deliver-optimized-decorative-images",
      "guidanceCategory": "performance",
      "effort": "large",
      "principleId": "be-sustainable",
      "principleCheckId": "optimised-assets",
      "artifacts": [
        "evidence/images.json"
      ]
    },
    {
      "id": "F22",
      "severity": "medium",
      "confidence": "high",
      "summary": "Initial page ships avoidable work",
      "evidence": "Unused code estimates and 89 initial requests show unnecessary processing and transfer.",
      "suggestedFix": "Defer offscreen sections and optional dependencies until needed.",
      "guidanceId": "deprioritize-background-fetches",
      "guidanceCategory": "performance",
      "effort": "large",
      "principleId": "be-sustainable",
      "principleCheckId": "no-wasteful-work",
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "id": "F23",
      "severity": "medium",
      "confidence": "high",
      "summary": "Third-party/media budget is disproportionate",
      "evidence": "2.70MB and 76 requests were outside the main origin classification.",
      "suggestedFix": "Set an origin/request budget, consolidate first-party subdomain delivery, and defer non-essential media/telemetry.",
      "guidanceId": "efficient-background-processing",
      "guidanceCategory": "performance",
      "effort": "large",
      "principleId": "be-sustainable",
      "principleCheckId": "third-party-and-media-budget",
      "artifacts": [
        "evidence/home-summary.json"
      ]
    },
    {
      "id": "F24",
      "severity": "high",
      "confidence": "high",
      "summary": "Consent choice is obstructive on mobile",
      "evidence": "On mobile the consent text fills the first viewport and decision controls are below it.",
      "suggestedFix": "Keep accept, reject, and customize equally visible without forcing a scroll or blocking browsing.",
      "guidanceId": "custom-button-actions",
      "guidanceCategory": "user-experience",
      "effort": "medium",
      "principleId": "be-trustworthy",
      "principleCheckId": "no-dark-patterns",
      "artifacts": [
        "evidence/home-mobile.png"
      ]
    },
    {
      "id": "F25",
      "severity": "high",
      "confidence": "high",
      "summary": "Deal-to-item commercial flow is unavailable",
      "evidence": "A currently advertised deal links to a generic error instead of its item page.",
      "suggestedFix": "Make item detail resilient and preserve the item/deal context in recovery and retry actions.",
      "guidanceId": "persistent-toast-notifications",
      "guidanceCategory": "user-experience",
      "effort": "large",
      "principleId": "be-trustworthy",
      "principleCheckId": "safe-commercial-and-account-flows",
      "artifacts": [
        "evidence/product-desktop.png"
      ]
    }
  ],
  "taskList": [
    {
      "id": "T01",
      "title": "Restore anonymous search and item-detail journey reliability",
      "priority": 1,
      "findingIds": [
        "F06",
        "F25"
      ],
      "guidanceId": "persistent-toast-notifications",
      "status": "open"
    },
    {
      "id": "T02",
      "title": "Reduce LCP, main-thread work, and critical resource chains",
      "priority": 2,
      "findingIds": [
        "F07",
        "F08",
        "F09",
        "F10"
      ],
      "guidanceId": "break-up-long-tasks",
      "status": "open"
    },
    {
      "id": "T03",
      "title": "Make consent compact, equally actionable, and non-obstructive",
      "priority": 3,
      "findingIds": [
        "F03",
        "F24",
        "F17"
      ],
      "guidanceId": "custom-button-actions",
      "status": "open"
    },
    {
      "id": "T04",
      "title": "Fix semantic landmarks, hidden-focus state, names, and image alternatives",
      "priority": 4,
      "findingIds": [
        "F11",
        "F12"
      ],
      "guidanceId": "accessibility",
      "status": "open"
    },
    {
      "id": "T05",
      "title": "Deploy CSP and least-privilege response/cookie policies",
      "priority": 5,
      "findingIds": [
        "F16",
        "F18"
      ],
      "guidanceId": "security",
      "status": "open"
    },
    {
      "id": "T06",
      "title": "Right-size responsive images and set intrinsic dimensions",
      "priority": 6,
      "findingIds": [
        "F14",
        "F21",
        "F23"
      ],
      "guidanceId": "deliver-optimized-decorative-images",
      "status": "open"
    },
    {
      "id": "T07",
      "title": "Eliminate narrow-viewport overflow",
      "priority": 7,
      "findingIds": [
        "F05",
        "F13"
      ],
      "guidanceId": "fluid-scaling",
      "status": "open"
    },
    {
      "id": "T08",
      "title": "Add dark and high-contrast preference themes",
      "priority": 8,
      "findingIds": [
        "F01",
        "F02"
      ],
      "guidanceId": "dark-mode",
      "status": "open"
    },
    {
      "id": "T09",
      "title": "Reduce initial retained DOM and heap footprint",
      "priority": 9,
      "findingIds": [
        "F20",
        "F22"
      ],
      "guidanceId": "defer-rendering-heavy-content",
      "status": "open"
    },
    {
      "id": "T10",
      "title": "Replace custom overlays with semantic platform primitives",
      "priority": 10,
      "findingIds": [
        "F04"
      ],
      "guidanceId": "declarative-dialog-popover-control",
      "status": "open"
    },
    {
      "id": "T11",
      "title": "Resolve deprecated API, BFCache, and source-map issues",
      "priority": 11,
      "findingIds": [
        "F15"
      ],
      "guidanceId": "html",
      "status": "open"
    },
    {
      "id": "T12",
      "title": "Evaluate guarded WebMCP commerce capabilities",
      "priority": 12,
      "findingIds": [
        "F19"
      ],
      "guidanceId": "webmcp",
      "status": "open"
    }
  ],
  "artifacts": [
    {
      "type": "screenshot",
      "path": "evidence/category-mobile.png",
      "caption": "Audit evidence: category-mobile.png",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/cookies.json",
      "caption": "Audit evidence: cookies.json",
      "findingIds": [
        "F16"
      ]
    },
    {
      "type": "other",
      "path": "evidence/css-platform-usage.json",
      "caption": "Audit evidence: css-platform-usage.json",
      "findingIds": [
        "F01"
      ]
    },
    {
      "type": "screenshot",
      "path": "evidence/deals-desktop.png",
      "caption": "Audit evidence: deals-desktop.png",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/deals-profile.json",
      "caption": "Audit evidence: deals-profile.json",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/headers.json",
      "caption": "Audit evidence: headers.json",
      "findingIds": [
        "F16",
        "F18"
      ]
    },
    {
      "type": "heap",
      "path": "evidence/heap-baseline.json",
      "caption": "Audit evidence: heap-baseline.json",
      "findingIds": [
        "F20"
      ]
    },
    {
      "type": "heap",
      "path": "evidence/heap-post-carousel-valid.json",
      "caption": "Audit evidence: heap-post-carousel-valid.json",
      "findingIds": []
    },
    {
      "type": "heap",
      "path": "evidence/heap-post-carousel.json",
      "caption": "Audit evidence: heap-post-carousel.json",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/home-dark.png",
      "caption": "Audit evidence: home-dark.png",
      "findingIds": [
        "F01"
      ]
    },
    {
      "type": "screenshot",
      "path": "evidence/home-desktop.png",
      "caption": "Audit evidence: home-desktop.png",
      "findingIds": [
        "F03"
      ]
    },
    {
      "type": "screenshot",
      "path": "evidence/home-discoverability-crawler.png",
      "caption": "Audit evidence: home-discoverability-crawler.png",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/home-discoverability-rendered.png",
      "caption": "Audit evidence: home-discoverability-rendered.png",
      "findingIds": []
    },
    {
      "type": "discoverability",
      "path": "evidence/home-discoverability.json",
      "caption": "Audit evidence: home-discoverability.json",
      "findingIds": []
    },
    {
      "type": "dom",
      "path": "evidence/home-dom.json",
      "caption": "Audit evidence: home-dom.json",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/home-high-contrast.png",
      "caption": "Audit evidence: home-high-contrast.png",
      "findingIds": [
        "F02"
      ]
    },
    {
      "type": "layout",
      "path": "evidence/home-mobile-layout.json",
      "caption": "Audit evidence: home-mobile-layout.json",
      "findingIds": [
        "F05",
        "F13"
      ]
    },
    {
      "type": "screenshot",
      "path": "evidence/home-mobile.png",
      "caption": "Audit evidence: home-mobile.png",
      "findingIds": [
        "F03",
        "F24"
      ]
    },
    {
      "type": "other",
      "path": "evidence/home-profile.json",
      "caption": "Audit evidence: home-profile.json",
      "findingIds": [
        "F04",
        "F19"
      ]
    },
    {
      "type": "har-summary",
      "path": "evidence/home-summary.json",
      "caption": "Audit evidence: home-summary.json",
      "findingIds": [
        "F09",
        "F17",
        "F23"
      ]
    },
    {
      "type": "trace-summary",
      "path": "evidence/home-trace-summary.json",
      "caption": "Audit evidence: home-trace-summary.json",
      "findingIds": [
        "F07"
      ]
    },
    {
      "type": "trace",
      "path": "evidence/home-trace.json",
      "caption": "Audit evidence: home-trace.json",
      "findingIds": []
    },
    {
      "type": "har",
      "path": "evidence/home.har",
      "caption": "Audit evidence: home.har",
      "findingIds": [
        "F09"
      ]
    },
    {
      "type": "other",
      "path": "evidence/images.json",
      "caption": "Audit evidence: images.json",
      "findingIds": [
        "F11",
        "F14",
        "F21"
      ]
    },
    {
      "type": "other",
      "path": "evidence/interaction-probe.json",
      "caption": "Audit evidence: interaction-probe.json",
      "findingIds": []
    },
    {
      "type": "lighthouse",
      "path": "evidence/lighthouse-summary.json",
      "caption": "Audit evidence: lighthouse-summary.json",
      "findingIds": [
        "F07",
        "F08",
        "F10",
        "F11",
        "F12",
        "F15",
        "F22"
      ]
    },
    {
      "type": "lighthouse",
      "path": "evidence/lighthouse.json",
      "caption": "Audit evidence: lighthouse.json",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/not-found.png",
      "caption": "Audit evidence: not-found.png",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/product-desktop.png",
      "caption": "Audit evidence: product-desktop.png",
      "findingIds": [
        "F06",
        "F25"
      ]
    },
    {
      "type": "dom",
      "path": "evidence/product-dom.json",
      "caption": "Audit evidence: product-dom.json",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/reduced-motion.json",
      "caption": "Audit evidence: reduced-motion.json",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/robots-headers.txt",
      "caption": "Audit evidence: robots-headers.txt",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/robots.txt",
      "caption": "Audit evidence: robots.txt",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/search-desktop.png",
      "caption": "Audit evidence: search-desktop.png",
      "findingIds": [
        "F06"
      ]
    },
    {
      "type": "dom",
      "path": "evidence/search-dom.json",
      "caption": "Audit evidence: search-dom.json",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/secrets.json",
      "caption": "Audit evidence: secrets.json",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/sitemap.xml",
      "caption": "Audit evidence: sitemap.xml",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/trackers.json",
      "caption": "Audit evidence: trackers.json",
      "findingIds": [
        "F17"
      ]
    }
  ],
  "budget": {
    "wallClockSeconds": 900,
    "pathCount": 6,
    "auditPasses": 1
  },
  "agent": "pi",
  "runId": "2026-07-18T09-42-11-321Z"
}