{
  "url": "https://chromewebstore.google.com/",
  "auditedAt": "2026-07-23T11:32:29.044Z",
  "mode": "report",
  "status": "completed",
  "statusDetail": "Coverage-complete audit of four public templates plus an unavailable-item recovery state. Consent was rejected before storefront evidence capture.",
  "page": {
    "appType": "hybrid",
    "framework": "Google BOQ server-rendered application",
    "notes": "Public Chrome Web Store catalog. Home, listing, collection and extension detail templates are server rendered and enhanced client-side."
  },
  "evidenceUsed": [
    "screenshot",
    "layout-metrics",
    "dom",
    "evaluate-probe",
    "axe-core",
    "transition-video",
    "trace",
    "har",
    "headers",
    "cookies",
    "trackers",
    "secrets",
    "images",
    "discoverability",
    "heap-summary",
    "raw-CDP-console",
    "robots+sitemap",
    "Lighthouse (attempted; redirected to unsupported consent surface and not used for verdicts)"
  ],
  "guidanceConsulted": [
    "accessibility",
    "accessible-error-announcement",
    "adapt-scrollbar-to-contrast-preferences",
    "agentic-forms",
    "agentic-javascript-tools",
    "anchor-positioning-tab-underline",
    "animated-select-picker",
    "animate-element-entry-exit",
    "animate-to-from-top-layer",
    "animate-to-intrinsic-sizes",
    "apply-webgl-shaders",
    "autofill-address-form",
    "autofill-highlight-inputs",
    "autofill-payment-form",
    "autofill-sign-in-form",
    "autofill-sign-up-form",
    "batch-analytics-events",
    "brand-consistent-forms",
    "branded-select-styling",
    "break-up-long-tasks",
    "calculate-event-differentials",
    "calculate-total-foreground-time",
    "calculate-with-intrinsic-sizes",
    "capture-location-agnostic-data",
    "carousel-slide-effects",
    "carousel-snap-highlights",
    "child-state-based-styling",
    "complex-shapes",
    "component-specific-light-dark-theme",
    "conditional-async-dependencies",
    "consistent-cross-document-transitions",
    "content-based-styling",
    "coordinate-global-events",
    "cross-document-transitions",
    "css",
    "css-layout",
    "customize-scrollbar-color-and-thickness",
    "custom-select-picker-layouts",
    "dark-mode",
    "declarative-dialog-popover-control",
    "defer-rendering-heavy-content",
    "defer-work-until-scroll-ends",
    "deliver-optimized-decorative-images",
    "deprioritize-background-fetches",
    "design-token-reactivity",
    "detect-initial-visibility-state",
    "directional-navigation-transitions",
    "dynamic-sibling-animations",
    "dynamic-sibling-styling",
    "efficient-background-processing",
    "export-html-media-from-canvas",
    "expose-canvas-content-to-browser-features",
    "faster-spa-view-transitions",
    "flicker-free-client-side-ab-testing",
    "fluid-scaling",
    "format-human-readable-durations",
    "form-fields-automatically-fit-contents",
    "forms",
    "full-session-analytics",
    "group-element-transitions",
    "highlight-text-ranges",
    "html",
    "identify-heavy-scripts",
    "identify-inp-causes",
    "improve-next-page-load-performance",
    "improve-text-layout-and-legibility",
    "individual-transform-properties",
    "interactions-in-complex-layouts",
    "interactive-content-in-3d-scenes",
    "interactive-content-reveal",
    "interest-triggered-action-previews",
    "interest-triggered-tooltips",
    "language-detection",
    "language-model",
    "light-dismiss-a-dialog",
    "manage-recurring-intervals",
    "model-partial-time-concepts",
    "move-dom-element-without-losing-state",
    "navigation-drawer",
    "optimize-image-priority",
    "optimize-preload-priority",
    "optimize-script-priority",
    "overflow-clipping-control",
    "parallax-scroll-effects",
    "passkey-authentication",
    "passkey-conditional-create",
    "passkey-management",
    "passkey-reauthentication",
    "passkey-registration",
    "passkeys",
    "performance",
    "persistent-app-tours",
    "persistent-toast-notifications",
    "persistent-top-layer-ui",
    "physics-based-easing",
    "platform-controls-dismiss-dialog",
    "position-aware-tooltips",
    "precise-text-alignment",
    "prevent-text-wrapping",
    "privacy",
    "pull-to-reveal",
    "reduce-style-repetition",
    "required-field-feedback",
    "resilient-context-menus-and-nested-dropdowns",
    "resolution-optimized-pseudo-elements",
    "rich-media-picker",
    "same-document-transitions",
    "schedule-tasks-by-priority",
    "scrollability-affordance-hints",
    "scroll-entry-exit-effects",
    "scroll-position-aware-elements",
    "scroll-progress-indicator",
    "scroll-snap-realtime-feedback",
    "scroll-snap-state-sync",
    "scroll-target-on-load",
    "scrollytelling",
    "search-hidden-content",
    "security",
    "select-menu-interaction",
    "sequence-distributed-events",
    "shaped-cutouts",
    "shrinking-header-on-scroll",
    "size-aware-styling",
    "soft-edge-content-fade",
    "stabilize-reactive-state",
    "stack-drill-down",
    "style-parent-with-has",
    "summarizer",
    "support-global-calendar-systems",
    "swipe-to-remove",
    "translator",
    "validate-input-after-interaction",
    "visually-stable-font-fallbacks",
    "visually-stable-mixed-fonts",
    "visually-texture-content",
    "webmcp"
  ],
  "artifacts": [
    {
      "type": "screenshot",
      "path": "evidence/home.png",
      "caption": "home",
      "findingIds": [
        "F001",
        "F010"
      ]
    },
    {
      "type": "screenshot",
      "path": "evidence/home-mobile-consented.png",
      "caption": "home mobile consented",
      "condition": "mobile or measured condition",
      "findingIds": [
        "F002"
      ]
    },
    {
      "type": "screenshot",
      "path": "evidence/home-dark-consented.png",
      "caption": "home dark consented",
      "condition": "prefers-color-scheme: dark",
      "findingIds": [
        "F001"
      ]
    },
    {
      "type": "screenshot",
      "path": "evidence/home-contrast.png",
      "caption": "home contrast",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/category-tools.png",
      "caption": "category tools",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/detail-dark-reader.png",
      "caption": "detail dark reader",
      "condition": "prefers-color-scheme: dark",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/collection-ai.png",
      "caption": "collection ai",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/error-state.png",
      "caption": "error state",
      "findingIds": []
    },
    {
      "type": "video",
      "path": "evidence/carousel-transition.mp4",
      "caption": "carousel transition",
      "findingIds": [
        "F009"
      ]
    },
    {
      "type": "layout",
      "path": "evidence/home-layout.json",
      "caption": "home layout",
      "condition": "mobile or measured condition",
      "findingIds": [
        "F002",
        "F003"
      ]
    },
    {
      "type": "layout",
      "path": "evidence/category-tools-layout.json",
      "caption": "category tools layout",
      "condition": "mobile or measured condition",
      "findingIds": [
        "F002"
      ]
    },
    {
      "type": "layout",
      "path": "evidence/detail-dark-reader-layout.json",
      "caption": "detail dark reader layout",
      "condition": "mobile or measured condition",
      "findingIds": []
    },
    {
      "type": "layout",
      "path": "evidence/collection-ai-layout.json",
      "caption": "collection ai layout",
      "condition": "mobile or measured condition",
      "findingIds": [
        "F002"
      ]
    },
    {
      "type": "trace",
      "path": "evidence/home-trace.json",
      "caption": "home trace",
      "findingIds": []
    },
    {
      "type": "trace-summary",
      "path": "evidence/home-trace-summary.json",
      "caption": "home trace summary",
      "findingIds": []
    },
    {
      "type": "har",
      "path": "evidence/home.har",
      "caption": "home",
      "findingIds": []
    },
    {
      "type": "har-summary",
      "path": "evidence/home-summary.json",
      "caption": "home summary",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/home-headers.json",
      "caption": "home headers",
      "findingIds": [
        "F007"
      ]
    },
    {
      "type": "other",
      "path": "evidence/home-cookies.json",
      "caption": "home cookies",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/home-trackers.json",
      "caption": "home trackers",
      "findingIds": [
        "F008"
      ]
    },
    {
      "type": "other",
      "path": "evidence/home-secrets.json",
      "caption": "home secrets",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/home-images.json",
      "caption": "home images",
      "findingIds": []
    },
    {
      "type": "dom",
      "path": "evidence/home-consented-dom.json",
      "caption": "home consented dom",
      "findingIds": [
        "F001",
        "F010"
      ]
    },
    {
      "type": "other",
      "path": "evidence/category-tools-images.json",
      "caption": "category tools images",
      "findingIds": [
        "F004",
        "F011"
      ]
    },
    {
      "type": "other",
      "path": "evidence/detail-dark-reader-images.json",
      "caption": "detail dark reader images",
      "condition": "prefers-color-scheme: dark",
      "findingIds": [
        "F004"
      ]
    },
    {
      "type": "other",
      "path": "evidence/collection-ai-images.json",
      "caption": "collection ai images",
      "findingIds": [
        "F004",
        "F011"
      ]
    },
    {
      "type": "other",
      "path": "evidence/home-probe.json",
      "caption": "home probe",
      "findingIds": [
        "F005",
        "F009",
        "F010",
        "F012"
      ]
    },
    {
      "type": "other",
      "path": "evidence/category-probe.json",
      "caption": "category probe",
      "findingIds": [
        "F005"
      ]
    },
    {
      "type": "other",
      "path": "evidence/detail-probe.json",
      "caption": "detail probe",
      "findingIds": [
        "F006",
        "F009",
        "F012"
      ]
    },
    {
      "type": "other",
      "path": "evidence/collection-probe.json",
      "caption": "collection probe",
      "findingIds": [
        "F005"
      ]
    },
    {
      "type": "other",
      "path": "evidence/home-axe.json",
      "caption": "home axe",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/category-axe.json",
      "caption": "category axe",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/detail-axe.json",
      "caption": "detail axe",
      "findingIds": []
    },
    {
      "type": "discoverability",
      "path": "evidence/home-discoverability-consented.json",
      "caption": "home discoverability consented",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/home-discoverability-consented-rendered.png",
      "caption": "home discoverability consented rendered",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/home-discoverability-consented-crawler.png",
      "caption": "home discoverability consented crawler",
      "findingIds": []
    },
    {
      "type": "discoverability",
      "path": "evidence/detail-discoverability.json",
      "caption": "detail discoverability",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/detail-discoverability-rendered.png",
      "caption": "detail discoverability rendered",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/detail-discoverability-crawler.png",
      "caption": "detail discoverability crawler",
      "findingIds": []
    },
    {
      "type": "heap",
      "path": "evidence/home-heap-baseline.json",
      "caption": "home heap baseline",
      "findingIds": []
    },
    {
      "type": "heap",
      "path": "evidence/home-heap-post.json",
      "caption": "home heap post",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/console-events.json",
      "caption": "console events",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/resource-performance.json",
      "caption": "resource performance",
      "findingIds": [
        "F008",
        "F011"
      ]
    },
    {
      "type": "other",
      "path": "evidence/home-raw.html",
      "caption": "home raw",
      "findingIds": [
        "F005"
      ]
    },
    {
      "type": "other",
      "path": "evidence/robots.txt",
      "caption": "robots",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/sitemap.xml",
      "caption": "sitemap",
      "findingIds": []
    },
    {
      "type": "lighthouse",
      "path": "evidence/lighthouse.json",
      "caption": "lighthouse",
      "findingIds": []
    }
  ],
  "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": "Targeted screenshot/layout/DOM/network probe for respects-color-scheme",
      "evidence": "Paired desktop screenshots under default and prefers-color-scheme: dark are pixel-equivalent in palette; the DOM reports body color-scheme: light.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home.png",
        "evidence/home-dark-consented.png",
        "evidence/home-consented-dom.json"
      ],
      "findingIds": [
        "F001"
      ]
    },
    {
      "principleId": "respect-user-preferences",
      "checkId": "respects-reduced-motion",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to respects-reduced-motion",
      "evidence": "Under prefers-reduced-motion: reduce, matchMedia was true and getAnimations() returned no active nonessential page animation; CSS contains reduced-motion handling.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "respect-user-preferences",
      "checkId": "respects-contrast",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to respects-contrast",
      "evidence": "The prefers-contrast screenshot retained visible text and controls, CSS inspection found forced-colors/prefers-contrast rules, and axe reported no definite contrast violation.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "implement-natural-interactions",
      "checkId": "view-transitions",
      "status": "issues",
      "confidence": "medium",
      "method": "Targeted screenshot/layout/DOM/network probe for view-transitions",
      "evidence": "CSS inspection across all four templates found no view-transition rules or declarations; navigation between listings and details is a full abrupt document swap.",
      "pathIds": [
        "detail"
      ],
      "artifacts": [
        "evidence/home-probe.json",
        "evidence/detail-probe.json",
        "evidence/carousel-transition.mp4"
      ],
      "findingIds": [
        "F009"
      ]
    },
    {
      "principleId": "implement-natural-interactions",
      "checkId": "scroll-driven-animations",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and DOM/path inventory for scroll-driven-animations",
      "evidence": "The audited surfaces contain no scroll-linked parallax or reveal motion; CSS inspection found no scroll timeline, so this implementation-specific check does not apply.",
      "reason": "The audited surfaces contain no scroll-linked parallax or reveal motion; CSS inspection found no scroll timeline, so this implementation-specific check does not apply.",
      "pathIds": [
        "home",
        "detail"
      ]
    },
    {
      "principleId": "implement-natural-interactions",
      "checkId": "physical-gestures",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to physical-gestures",
      "evidence": "The carousel video shows platform-like directional controls and bounded slide movement; no evidence of scroll-jacking or pointer-only operation.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "provide-guided-navigation",
      "checkId": "scroll-state-aware-chrome",
      "status": "issues",
      "confidence": "medium",
      "method": "Targeted screenshot/layout/DOM/network probe for scroll-state-aware-chrome",
      "evidence": "The 5,356px-tall home page has a static header and no scroll timeline/progress signal in CSS inspection; screenshots show no progress or responsive header state.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-consented-dom.json",
        "evidence/home-probe.json",
        "evidence/home.png"
      ],
      "findingIds": [
        "F010"
      ]
    },
    {
      "principleId": "provide-guided-navigation",
      "checkId": "anchored-positioning",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and DOM/path inventory for anchored-positioning",
      "evidence": "No anchored tooltip, popover or menu surface appeared in the representative anonymous paths; DOM probes found no popover elements.",
      "reason": "No anchored tooltip, popover or menu surface appeared in the representative anonymous paths; DOM probes found no popover elements.",
      "pathIds": [
        "home",
        "detail"
      ]
    },
    {
      "principleId": "provide-guided-navigation",
      "checkId": "directs-attention",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to directs-attention",
      "evidence": "Active Discover/Extensions tabs, carousel position “1/5”, directional arrows and clear detail hierarchy provide state and attention cues.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "checkId": "no-intrusive-interruptions",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to no-intrusive-interruptions",
      "evidence": "After the one-time consent choice, all four templates load content-first with no interstitial; Reject all is presented directly and at parity with Accept all.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "checkId": "semantic-dismissible-primitives",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and DOM/path inventory for semantic-dismissible-primitives",
      "evidence": "No transient overlay or modal flow appeared in the representative paths; the detail page uses two native details disclosures.",
      "reason": "No transient overlay or modal flow appeared in the representative paths; the detail page uses two native details disclosures.",
      "pathIds": [
        "home",
        "detail"
      ]
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "checkId": "reduced-chrome",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to reduced-chrome",
      "evidence": "Desktop screenshots devote the main viewport to catalog content with a compact header and little decorative application framing.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "checkId": "responsive-no-horizontal-scroll",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for responsive-no-horizontal-scroll",
      "evidence": "Layout probes measured 920px horizontal overflow on home and collection and 889px on category; the mobile screenshot shows clipped headings, cards and navigation. The detail template does reflow correctly.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-layout.json",
        "evidence/category-tools-layout.json",
        "evidence/collection-ai-layout.json",
        "evidence/home-mobile-consented.png"
      ],
      "findingIds": [
        "F002"
      ]
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "checkId": "component-level-responsiveness",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to component-level-responsiveness",
      "evidence": "CSS inspection found 19–21 @container rules on home/category and the detail page reflows to 360px without overflow.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "checkId": "input-modality-aware",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for input-modality-aware",
      "evidence": "The target-size probe measured five footer links at only 18px high on home/category/collection and 18–20px on detail, below the 24px WCAG 2.2 minimum target size.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-probe.json",
        "evidence/detail-probe.json"
      ],
      "findingIds": [
        "F012"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "checkId": "clear-purpose-and-primary-action",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to clear-purpose-and-primary-action",
      "evidence": "First-view screenshots clearly identify the store/category/extension and expose See collection or Add to Chrome actions.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "checkId": "primary-flow-completion",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to primary-flow-completion",
      "evidence": "The exercised home → category/collection → detail path reaches a clear Add to Chrome browser-owned terminal action without an account wall.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "checkId": "clear-system-state-and-recovery",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to clear-system-state-and-recovery",
      "evidence": "The invalid-detail route redirects to an “Item not available” state that explains the condition and offers Browse our store.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "good-core-web-vitals",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for good-core-web-vitals",
      "evidence": "The 360px layout observer recorded CLS 0.5275 from a shift at about 2372ms, far above the 0.1 good threshold.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-layout.json"
      ],
      "findingIds": [
        "F003"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "visual-stability",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for visual-stability",
      "evidence": "The 360px layout observer recorded CLS 0.5275 from a shift at about 2372ms, far above the 0.1 good threshold.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-layout.json"
      ],
      "findingIds": [
        "F003"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "efficient-main-thread",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to efficient-main-thread",
      "evidence": "Trace summary recorded zero long tasks and 0ms TBT on the measured home load; representative mobile layouts had at most one 52–57ms task.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "efficient-resource-delivery",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for efficient-resource-delivery",
      "evidence": "The images probe found all 36 detail-page images lacked width/height attributes, 13 were over 2x displayed size, 7 lacked srcset and 3 used legacy formats; listing templates also omitted dimensions.",
      "pathIds": [
        "detail"
      ],
      "artifacts": [
        "evidence/detail-dark-reader-images.json",
        "evidence/category-tools-images.json",
        "evidence/collection-ai-images.json"
      ],
      "findingIds": [
        "F004"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "trim-unused-and-duplicate-code",
      "status": "pass",
      "confidence": "medium",
      "method": "Active visual/objective probe mapped specifically to trim-unused-and-duplicate-code",
      "evidence": "The actual storefront resource probe found nine script resources and about 1.4MB total transfer with no duplicate script URL; trace showed no script blocking.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "names-roles-labels",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to names-roles-labels",
      "evidence": "axe found zero violations on home, category and detail with 49–51 passing rules; card imagery is exposed through named containing links while meaningful detail media has descriptive alt.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "sufficient-contrast",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to sufficient-contrast",
      "evidence": "axe found no definite color-contrast violation on three templates and the high-contrast screenshot remains legible; contrast checks requiring manual review are noted as incomplete by axe.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "structure-and-focus",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to structure-and-focus",
      "evidence": "Probes found one main landmark, coherent headings, a skip link and a visible auto outline on the first focused control; axe found no structural violation.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "legible-text",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to legible-text",
      "evidence": "Desktop and detail screenshots show readable line lengths, stable typography and no clipping at the supported desktop layout.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "zoom-reflow-targets-and-media",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for zoom-reflow-targets-and-media",
      "evidence": "Layout probes measured 920px horizontal overflow on home and collection and 889px on category; the mobile screenshot shows clipped headings, cards and navigation. The detail template does reflow correctly. The target-size probe measured five footer links at only 18px high on home/category/collection and 18–20px on detail, below the 24px WCAG 2.2 minimum target size.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-layout.json",
        "evidence/category-tools-layout.json",
        "evidence/collection-ai-layout.json",
        "evidence/home-mobile-consented.png",
        "evidence/home-probe.json",
        "evidence/detail-probe.json"
      ],
      "findingIds": [
        "F002",
        "F012"
      ]
    },
    {
      "principleId": "follow-best-practices",
      "checkId": "no-console-errors",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to no-console-errors",
      "evidence": "Raw CDP Runtime and Log listeners observed zero errors or uncaught exceptions while loading all four representative URLs.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "follow-best-practices",
      "checkId": "sound-document-and-assets",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for sound-document-and-assets",
      "evidence": "The images probe found all 36 detail-page images lacked width/height attributes, 13 were over 2x displayed size, 7 lacked srcset and 3 used legacy formats; listing templates also omitted dimensions.",
      "pathIds": [
        "detail"
      ],
      "artifacts": [
        "evidence/detail-dark-reader-images.json",
        "evidence/category-tools-images.json",
        "evidence/collection-ai-images.json"
      ],
      "findingIds": [
        "F004"
      ]
    },
    {
      "principleId": "follow-best-practices",
      "checkId": "browser-platform-hygiene",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to browser-platform-hygiene",
      "evidence": "No console/deprecation signal or on-load permission prompt appeared; documents use current platform features and direct crawlable links.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "title-and-description",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for title-and-description",
      "evidence": "DOM probes found descriptive titles and canonicals but no meta[name=description] on these three templates; only the detail page provided one. The raw home HTML contains only og:description.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-probe.json",
        "evidence/category-probe.json",
        "evidence/collection-probe.json",
        "evidence/home-raw.html"
      ],
      "findingIds": [
        "F005"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "crawlable-and-mobile-friendly",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to crawlable-and-mobile-friendly",
      "evidence": "All templates have viewport metadata and real href links; robots.txt permits public catalog/detail pages while intentionally excluding search and subpanels.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "canonical-and-indexing-signals",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to canonical-and-indexing-signals",
      "evidence": "All probes found successful public documents and matching canonicals; robots.txt points to a current sharded sitemap and detail pages expose hreflang variants.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "structured-and-shareable-metadata",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for structured-and-shareable-metadata",
      "evidence": "The detail probe found seven Open Graph tags but zero JSON-LD blocks on a rich software-item page.",
      "pathIds": [
        "detail"
      ],
      "artifacts": [
        "evidence/detail-probe.json"
      ],
      "findingIds": [
        "F006"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "secure-transport-and-headers",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for secure-transport-and-headers",
      "evidence": "The headers probe found CSP permits unsafe-inline/unsafe-eval and no explicit Referrer-Policy; HSTS was not present in the response. Trusted Types, nosniff and frame denial were present.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-headers.json"
      ],
      "findingIds": [
        "F007"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "data-minimisation-and-third-parties",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for data-minimisation-and-third-parties",
      "evidence": "The tracker probe observed nine third-party origins, including Google Tag Manager and Google Analytics; the resource probe captured repeated play.google.com logging plus a GA page_view.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-trackers.json",
        "evidence/resource-performance.json"
      ],
      "findingIds": [
        "F008"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "in-context-permissions-and-modern-auth",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to in-context-permissions-and-modern-auth",
      "evidence": "No permission prompt fired on load; sign-in is explicitly user initiated and delegates to Google Accounts rather than collecting a password in the storefront.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "defensive-browser-policies",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for defensive-browser-policies",
      "evidence": "The headers probe found CSP permits unsafe-inline/unsafe-eval and no explicit Referrer-Policy; HSTS was not present in the response. Trusted Types, nosniff and frame denial were present.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-headers.json"
      ],
      "findingIds": [
        "F007"
      ]
    },
    {
      "principleId": "be-resilient",
      "checkId": "progressive-enhancement",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to progressive-enhancement",
      "evidence": "Discoverability measured 92% raw-HTML coverage on home and 100% on detail, with title and H1 preserved without JavaScript.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-resilient",
      "checkId": "resilient-runtime-behaviour",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to resilient-runtime-behaviour",
      "evidence": "Representative carousel, details and navigation states rendered without cut-off overlays or runtime errors; the invalid-item route recovered intentionally.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-resilient",
      "checkId": "offline-and-installable",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and DOM/path inventory for offline-and-installable",
      "evidence": "The public marketplace is an intrinsically online catalog and installation broker, not a user-installable web app; offline/installability is not required for its core task.",
      "reason": "The public marketplace is an intrinsically online catalog and installation broker, not a user-installable web app; offline/installability is not required for its core task.",
      "pathIds": [
        "home",
        "detail"
      ]
    },
    {
      "principleId": "be-resilient",
      "checkId": "network-and-http-failure-states",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to network-and-http-failure-states",
      "evidence": "The exercised invalid detail route shows a specific unavailable state and a Browse our store recovery action instead of a blank shell.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-internationalised",
      "checkId": "lang-dir-and-logical-properties",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to lang-dir-and-logical-properties",
      "evidence": "All templates declare lang=en-US and dir=ltr; CSS inspection found extensive logical-property use and detail pages expose 39 hreflang variants.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-internationalised",
      "checkId": "locale-aware-data",
      "status": "pass",
      "confidence": "medium",
      "method": "Active visual/objective probe mapped specifically to locale-aware-data",
      "evidence": "Visible rating and user-count formatting is locale-appropriate on en-US pages, and localized detail variants are declared.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-internationalised",
      "checkId": "time-zone-correctness",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and DOM/path inventory for time-zone-correctness",
      "evidence": "No dates, schedules, recurring events or time-zone-sensitive values appear on the representative storefront surfaces.",
      "reason": "No dates, schedules, recurring events or time-zone-sensitive values appear on the representative storefront surfaces.",
      "pathIds": [
        "home",
        "detail"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "no-dark-patterns",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to no-dark-patterns",
      "evidence": "The consent surface gives equally prominent Reject all and Accept all choices, and free extension pricing/action labels are explicit and reversible through browser management.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "humane-error-handling",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and DOM/path inventory for humane-error-handling",
      "evidence": "No editable/validation form exists in the anonymous storefront paths; search is navigation, not a data-submission form.",
      "reason": "No editable/validation form exists in the anonymous storefront paths; search is navigation, not a data-submission form.",
      "pathIds": [
        "home",
        "detail"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "trustworthy-input-assistance",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and DOM/path inventory for trustworthy-input-assistance",
      "evidence": "No address, payment, sign-in or sign-up input is owned by the storefront; account entry delegates to accounts.google.com.",
      "reason": "No address, payment, sign-in or sign-up input is owned by the storefront; account entry delegates to accounts.google.com.",
      "pathIds": [
        "home",
        "detail"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "safe-commercial-and-account-flows",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and DOM/path inventory for safe-commercial-and-account-flows",
      "evidence": "The representative anonymous flow installs free extensions and contains no checkout, subscription or account-management flow.",
      "reason": "The representative anonymous flow installs free extensions and contains no checkout, subscription or account-management flow.",
      "pathIds": [
        "home",
        "detail"
      ]
    },
    {
      "principleId": "be-sustainable",
      "checkId": "optimised-assets",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for optimised-assets",
      "evidence": "The images probe found all 36 detail-page images lacked width/height attributes, 13 were over 2x displayed size, 7 lacked srcset and 3 used legacy formats; listing templates also omitted dimensions.",
      "pathIds": [
        "detail"
      ],
      "artifacts": [
        "evidence/detail-dark-reader-images.json",
        "evidence/category-tools-images.json",
        "evidence/collection-ai-images.json"
      ],
      "findingIds": [
        "F004"
      ]
    },
    {
      "principleId": "be-sustainable",
      "checkId": "no-wasteful-work",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for no-wasteful-work",
      "evidence": "The tracker probe observed nine third-party origins, including Google Tag Manager and Google Analytics; the resource probe captured repeated play.google.com logging plus a GA page_view.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-trackers.json",
        "evidence/resource-performance.json"
      ],
      "findingIds": [
        "F008"
      ]
    },
    {
      "principleId": "be-sustainable",
      "checkId": "third-party-and-media-budget",
      "status": "issues",
      "confidence": "high",
      "method": "Targeted screenshot/layout/DOM/network probe for third-party-and-media-budget",
      "evidence": "The tracker probe observed nine third-party origins, including Google Tag Manager and Google Analytics; the resource probe captured repeated play.google.com logging plus a GA page_view. The images probe found 24 below-fold category images and 17 below-fold collection images without loading=lazy; the home resource probe transferred about 1.4MB across 95 resources.",
      "pathIds": [
        "home",
        "category"
      ],
      "artifacts": [
        "evidence/home-trackers.json",
        "evidence/resource-performance.json",
        "evidence/category-tools-images.json",
        "evidence/collection-ai-images.json"
      ],
      "findingIds": [
        "F008",
        "F011"
      ]
    },
    {
      "principleId": "be-agent-ready",
      "checkId": "structured-agent-capabilities",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and DOM/path inventory for structured-agent-capabilities",
      "evidence": "No declared intent requests agent-facing actions and this emerging storefront capability is not currently required.",
      "reason": "No declared intent requests agent-facing actions and this emerging storefront capability is not currently required.",
      "pathIds": [
        "home",
        "detail"
      ]
    },
    {
      "principleId": "be-agent-ready",
      "checkId": "on-device-inference",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and DOM/path inventory for on-device-inference",
      "evidence": "No user task in the storefront would clearly benefit from on-device inference; absence is not a failure for this emerging contextual check.",
      "reason": "No user task in the storefront would clearly benefit from on-device inference; absence is not a failure for this emerging contextual check.",
      "pathIds": [
        "home",
        "detail"
      ]
    },
    {
      "principleId": "be-memory-efficient",
      "checkId": "no-leak-under-repeated-interaction",
      "status": "pass",
      "confidence": "medium",
      "method": "Active visual/objective probe mapped specifically to no-leak-under-repeated-interaction",
      "evidence": "After ten representative carousel advances, heap self-size rose only about 3.5% (19.64MB to 20.32MB) across fresh comparable sessions, with no Detached constructor surfaced; no unbounded pattern was observed.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-memory-efficient",
      "checkId": "bounded-footprint",
      "status": "pass",
      "confidence": "high",
      "method": "Active visual/objective probe mapped specifically to bounded-footprint",
      "evidence": "Baseline heap was 19.64MB across 362,475 nodes, proportionate to a media-rich catalog page; trace and interaction remained responsive.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    },
    {
      "principleId": "be-memory-efficient",
      "checkId": "no-detached-dom-or-unbounded-listeners",
      "status": "pass",
      "confidence": "medium",
      "method": "Active visual/objective probe mapped specifically to no-detached-dom-or-unbounded-listeners",
      "evidence": "Heap summaries contained no Detached constructor; post-interaction node growth was modest (about 2%) after ten carousel advances, with medium confidence because snapshots were separate sessions.",
      "pathIds": [
        "home",
        "category",
        "detail",
        "collection"
      ]
    }
  ],
  "principleOutcomes": [
    {
      "principleId": "respect-user-preferences",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F001"
      ]
    },
    {
      "principleId": "implement-natural-interactions",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F009"
      ]
    },
    {
      "principleId": "provide-guided-navigation",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F010"
      ]
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "expectation": "default",
      "status": "pass"
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F002",
        "F012"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "expectation": "default",
      "status": "pass"
    },
    {
      "principleId": "be-fast-and-stable",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F003",
        "F004"
      ]
    },
    {
      "principleId": "be-inclusive",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F002",
        "F012"
      ]
    },
    {
      "principleId": "follow-best-practices",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F004"
      ]
    },
    {
      "principleId": "be-discoverable",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F005",
        "F006"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F007",
        "F008"
      ]
    },
    {
      "principleId": "be-resilient",
      "expectation": "contextual",
      "status": "pass"
    },
    {
      "principleId": "be-internationalised",
      "expectation": "contextual",
      "status": "pass"
    },
    {
      "principleId": "be-trustworthy",
      "expectation": "default",
      "status": "pass"
    },
    {
      "principleId": "be-sustainable",
      "expectation": "contextual",
      "status": "issues",
      "findingIds": [
        "F004",
        "F008",
        "F011"
      ]
    },
    {
      "principleId": "be-agent-ready",
      "expectation": "contextual",
      "status": "not-applicable",
      "reason": "No declared intent requests agent-facing actions and this emerging storefront capability is not currently required. No user task in the storefront would clearly benefit from on-device inference; absence is not a failure for this emerging contextual check."
    },
    {
      "principleId": "be-memory-efficient",
      "expectation": "default",
      "status": "pass"
    }
  ],
  "paths": [
    {
      "id": "home",
      "description": "Discover homepage and primary extension-discovery entry point; tested desktop, 360px, dark, contrast and reduced-motion conditions.",
      "url": "https://chromewebstore.google.com/",
      "conditions": [
        "desktop 1440x1000",
        "mobile 360x800",
        "prefers-color-scheme: dark",
        "prefers-contrast: more",
        "prefers-reduced-motion: reduce"
      ],
      "result": "issues"
    },
    {
      "id": "category",
      "description": "Tools category representing taxonomy/listing templates.",
      "url": "https://chromewebstore.google.com/category/extensions/productivity/tools",
      "conditions": [
        "desktop",
        "mobile 360x800",
        "axe"
      ],
      "result": "issues"
    },
    {
      "id": "detail",
      "description": "Dark Reader extension representing product/detail and Add to Chrome journey.",
      "url": "https://chromewebstore.google.com/detail/dark-reader/eimadpbcbfnmbkopoojfekhnkhdbieeh",
      "conditions": [
        "desktop",
        "mobile 360x800",
        "axe",
        "no-JS crawler"
      ],
      "result": "issues"
    },
    {
      "id": "collection",
      "description": "The future of writing collection representing editorial collection/list template.",
      "url": "https://chromewebstore.google.com/collection/ai_content",
      "conditions": [
        "desktop",
        "mobile 360x800"
      ],
      "result": "issues"
    },
    {
      "id": "error",
      "description": "Invalid extension detail representing unavailable/network-like recovery state.",
      "url": "https://chromewebstore.google.com/detail/does-not-exist/aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
      "conditions": [
        "desktop"
      ],
      "result": "pass"
    }
  ],
  "findings": [
    {
      "id": "F001",
      "severity": "medium",
      "confidence": "high",
      "pathId": "home",
      "url": "https://chromewebstore.google.com/",
      "principleId": "respect-user-preferences",
      "principleCheckId": "respects-color-scheme",
      "guidanceId": "dark-mode",
      "guidanceCategory": "user-experience",
      "summary": "The storefront is fixed to a light theme even when the user requests dark mode.",
      "evidence": "Paired desktop screenshots under default and prefers-color-scheme: dark are pixel-equivalent in palette; the DOM reports body color-scheme: light.",
      "artifacts": [
        "evidence/home.png",
        "evidence/home-dark-consented.png",
        "evidence/home-consented-dom.json"
      ],
      "suggestedFix": "Declare color-scheme: light dark and retint page surfaces, text, controls, imagery and browser UI with prefers-color-scheme or light-dark().",
      "effort": "medium"
    },
    {
      "id": "F002",
      "severity": "high",
      "confidence": "high",
      "pathId": "home",
      "url": "https://chromewebstore.google.com/",
      "principleId": "adapt-to-the-form-factor",
      "principleCheckId": "responsive-no-horizontal-scroll",
      "guidanceId": "css-layout",
      "guidanceCategory": "css",
      "summary": "The home, category and collection templates force a desktop-width canvas on a 360px viewport.",
      "evidence": "Layout probes measured 920px horizontal overflow on home and collection and 889px on category; the mobile screenshot shows clipped headings, cards and navigation. The detail template does reflow correctly.",
      "artifacts": [
        "evidence/home-layout.json",
        "evidence/category-tools-layout.json",
        "evidence/collection-ai-layout.json",
        "evidence/home-mobile-consented.png"
      ],
      "suggestedFix": "Remove minimum desktop widths and make the shell, hero, category cards and grids intrinsically responsive; preserve the already-working detail-page reflow.",
      "effort": "large"
    },
    {
      "id": "F003",
      "severity": "high",
      "confidence": "high",
      "pathId": "home",
      "url": "https://chromewebstore.google.com/",
      "principleId": "be-fast-and-stable",
      "principleCheckId": "visual-stability",
      "guidanceId": "visually-stable-font-fallbacks",
      "guidanceCategory": "performance",
      "summary": "The home template shifts substantially during mobile load.",
      "evidence": "The 360px layout observer recorded CLS 0.5275 from a shift at about 2372ms, far above the 0.1 good threshold.",
      "artifacts": [
        "evidence/home-layout.json"
      ],
      "suggestedFix": "Identify the late hero/grid geometry change and reserve its final space; align fallback font metrics and avoid switching viewport/layout widths after load.",
      "effort": "medium"
    },
    {
      "id": "F004",
      "severity": "medium",
      "confidence": "high",
      "pathId": "detail",
      "url": "https://chromewebstore.google.com/detail/dark-reader/eimadpbcbfnmbkopoojfekhnkhdbieeh",
      "principleId": "be-fast-and-stable",
      "principleCheckId": "efficient-resource-delivery",
      "guidanceId": "optimize-image-priority",
      "guidanceCategory": "performance",
      "summary": "Image dimensions and responsive delivery are incomplete, especially on extension detail pages.",
      "evidence": "The images probe found all 36 detail-page images lacked width/height attributes, 13 were over 2x displayed size, 7 lacked srcset and 3 used legacy formats; listing templates also omitted dimensions.",
      "artifacts": [
        "evidence/detail-dark-reader-images.json",
        "evidence/category-tools-images.json",
        "evidence/collection-ai-images.json"
      ],
      "suggestedFix": "Emit width and height or aspect-ratio, request display-appropriate variants through srcset/sizes, and use modern formats for screenshots and thumbnails.",
      "effort": "medium"
    },
    {
      "id": "F005",
      "severity": "medium",
      "confidence": "high",
      "pathId": "home",
      "url": "https://chromewebstore.google.com/",
      "principleId": "be-discoverable",
      "principleCheckId": "title-and-description",
      "guidanceId": "html",
      "guidanceCategory": "html",
      "summary": "The home, category and collection templates omit a standard meta description.",
      "evidence": "DOM probes found descriptive titles and canonicals but no meta[name=description] on these three templates; only the detail page provided one. The raw home HTML contains only og:description.",
      "artifacts": [
        "evidence/home-probe.json",
        "evidence/category-probe.json",
        "evidence/collection-probe.json",
        "evidence/home-raw.html"
      ],
      "suggestedFix": "Add a unique meta description to every public template, aligned with the visible page purpose.",
      "effort": "small"
    },
    {
      "id": "F006",
      "severity": "low",
      "confidence": "high",
      "pathId": "detail",
      "url": "https://chromewebstore.google.com/detail/dark-reader/eimadpbcbfnmbkopoojfekhnkhdbieeh",
      "principleId": "be-discoverable",
      "principleCheckId": "structured-and-shareable-metadata",
      "guidanceId": "html",
      "guidanceCategory": "html",
      "summary": "Extension detail pages provide Open Graph tags but no machine-readable product/software structured data.",
      "evidence": "The detail probe found seven Open Graph tags but zero JSON-LD blocks on a rich software-item page.",
      "artifacts": [
        "evidence/detail-probe.json"
      ],
      "suggestedFix": "Add accurate schema.org SoftwareApplication JSON-LD derived from the visible extension name, rating, publisher, description and offer state.",
      "effort": "small"
    },
    {
      "id": "F007",
      "severity": "medium",
      "confidence": "high",
      "pathId": "home",
      "url": "https://chromewebstore.google.com/",
      "principleId": "be-private-and-secure",
      "principleCheckId": "defensive-browser-policies",
      "guidanceId": "security",
      "guidanceCategory": "security",
      "summary": "The browser defense policy has avoidable gaps.",
      "evidence": "The headers probe found CSP permits unsafe-inline/unsafe-eval and no explicit Referrer-Policy; HSTS was not present in the response. Trusted Types, nosniff and frame denial were present.",
      "artifacts": [
        "evidence/home-headers.json"
      ],
      "suggestedFix": "Remove unsafe-eval and non-nonced inline script dependencies, set a restrictive Referrer-Policy, and verify HSTS is intentionally inherited/preloaded or emit it explicitly.",
      "effort": "large"
    },
    {
      "id": "F008",
      "severity": "medium",
      "confidence": "high",
      "pathId": "home",
      "url": "https://chromewebstore.google.com/",
      "principleId": "be-private-and-secure",
      "principleCheckId": "data-minimisation-and-third-parties",
      "guidanceId": "privacy",
      "guidanceCategory": "privacy",
      "summary": "The anonymous storefront loads a broad third-party and analytics footprint after consent rejection.",
      "evidence": "The tracker probe observed nine third-party origins, including Google Tag Manager and Google Analytics; the resource probe captured repeated play.google.com logging plus a GA page_view.",
      "artifacts": [
        "evidence/home-trackers.json",
        "evidence/resource-performance.json"
      ],
      "suggestedFix": "Audit each background logging and analytics request, remove nonessential collection, and batch or defer telemetry with consent and purpose limits.",
      "effort": "medium"
    },
    {
      "id": "F009",
      "severity": "low",
      "confidence": "medium",
      "pathId": "detail",
      "url": "https://chromewebstore.google.com/detail/dark-reader/eimadpbcbfnmbkopoojfekhnkhdbieeh",
      "principleId": "implement-natural-interactions",
      "principleCheckId": "view-transitions",
      "guidanceId": "cross-document-transitions",
      "guidanceCategory": "user-experience",
      "summary": "Cross-page navigation does not use View Transitions.",
      "evidence": "CSS inspection across all four templates found no view-transition rules or declarations; navigation between listings and details is a full abrupt document swap.",
      "artifacts": [
        "evidence/home-probe.json",
        "evidence/detail-probe.json",
        "evidence/carousel-transition.mp4"
      ],
      "suggestedFix": "Add same-origin cross-document View Transitions for listing-to-detail navigation with reduced-motion handling and a non-supporting-browser fallback.",
      "effort": "medium"
    },
    {
      "id": "F010",
      "severity": "low",
      "confidence": "medium",
      "pathId": "home",
      "url": "https://chromewebstore.google.com/",
      "principleId": "provide-guided-navigation",
      "principleCheckId": "scroll-state-aware-chrome",
      "guidanceId": "shrinking-header-on-scroll",
      "guidanceCategory": "css",
      "summary": "Long listing pages provide static chrome with no scroll-position feedback.",
      "evidence": "The 5,356px-tall home page has a static header and no scroll timeline/progress signal in CSS inspection; screenshots show no progress or responsive header state.",
      "artifacts": [
        "evidence/home-consented-dom.json",
        "evidence/home-probe.json",
        "evidence/home.png"
      ],
      "suggestedFix": "Use a sticky header with a compact scrolled state or a subtle progress/scrollability cue, implemented declaratively and disabled for reduced motion as needed.",
      "effort": "small"
    },
    {
      "id": "F011",
      "severity": "medium",
      "confidence": "high",
      "pathId": "category",
      "url": "https://chromewebstore.google.com/category/extensions/productivity/tools",
      "principleId": "be-sustainable",
      "principleCheckId": "third-party-and-media-budget",
      "guidanceId": "deliver-optimized-decorative-images",
      "guidanceCategory": "performance",
      "summary": "Below-fold media is fetched eagerly across listing templates.",
      "evidence": "The images probe found 24 below-fold category images and 17 below-fold collection images without loading=lazy; the home resource probe transferred about 1.4MB across 95 resources.",
      "artifacts": [
        "evidence/category-tools-images.json",
        "evidence/collection-ai-images.json",
        "evidence/resource-performance.json"
      ],
      "suggestedFix": "Lazy-load below-fold cards, preserve dimensions, and defer non-visible carousel/list content until it approaches the viewport.",
      "effort": "medium"
    },
    {
      "id": "F012",
      "severity": "low",
      "confidence": "high",
      "pathId": "home",
      "url": "https://chromewebstore.google.com/",
      "principleId": "be-inclusive",
      "principleCheckId": "zoom-reflow-targets-and-media",
      "guidanceId": "accessibility",
      "guidanceCategory": "accessibility",
      "summary": "Several footer links have undersized pointer targets.",
      "evidence": "The target-size probe measured five footer links at only 18px high on home/category/collection and 18–20px on detail, below the 24px WCAG 2.2 minimum target size.",
      "artifacts": [
        "evidence/home-probe.json",
        "evidence/detail-probe.json"
      ],
      "suggestedFix": "Increase inline-block padding or minimum block-size so each footer link has at least a 24x24 CSS-pixel hit area without crowding adjacent targets.",
      "effort": "small"
    }
  ],
  "taskList": [
    {
      "id": "T001",
      "title": "Make home/listing templates genuinely mobile-responsive",
      "priority": 1,
      "findingIds": [
        "F002",
        "F003"
      ],
      "guidanceId": "css-layout",
      "status": "open"
    },
    {
      "id": "T002",
      "title": "Reserve image/layout space and optimize responsive media",
      "priority": 2,
      "findingIds": [
        "F003",
        "F004",
        "F011"
      ],
      "guidanceId": "optimize-image-priority",
      "status": "open"
    },
    {
      "id": "T003",
      "title": "Reduce analytics and background logging",
      "priority": 3,
      "findingIds": [
        "F008",
        "F011"
      ],
      "guidanceId": "privacy",
      "status": "open"
    },
    {
      "id": "T004",
      "title": "Add a preference-driven dark theme",
      "priority": 4,
      "findingIds": [
        "F001"
      ],
      "guidanceId": "dark-mode",
      "status": "open"
    },
    {
      "id": "T005",
      "title": "Tighten CSP and browser defense headers",
      "priority": 5,
      "findingIds": [
        "F007"
      ],
      "guidanceId": "security",
      "status": "open"
    },
    {
      "id": "T006",
      "title": "Complete discoverability metadata",
      "priority": 6,
      "findingIds": [
        "F005",
        "F006"
      ],
      "guidanceId": "html",
      "status": "open"
    },
    {
      "id": "T007",
      "title": "Increase small footer hit targets",
      "priority": 7,
      "findingIds": [
        "F012"
      ],
      "guidanceId": "accessibility",
      "status": "open"
    },
    {
      "id": "T008",
      "title": "Add navigation polish with declarative transitions/scroll state",
      "priority": 8,
      "findingIds": [
        "F009",
        "F010"
      ],
      "guidanceId": "cross-document-transitions",
      "status": "open"
    }
  ],
  "budget": {
    "pathCount": 5,
    "auditPasses": 1
  },
  "agent": "pi",
  "runId": "2026-07-23T11-32-29-044Z"
}
