{ "url": "https://www.primevideo.com", "auditedAt": "2026-07-22T14:49:53.688Z", "mode": "report", "status": "completed", "statusDetail": "Coverage-complete public, unauthenticated audit across landing, listing, live schedule, sign-in, and error archetypes. Credentialed playback, purchase, cancellation, and account management were not exercised.", "page": { "appType": "hybrid", "framework": "React-like with server-rendered core content", "notes": "Root redirects to a UK non-Prime landing. Public pages are server-rendered and progressively enhanced; account authentication is hosted on amazon.co.uk." }, "evidenceUsed": [ "screenshot", "dom", "layout-metrics", "evaluate-probe", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "lighthouse", "raw HTTP/robots/sitemap" ], "guidanceConsulted": [ "dark-mode", "accessibility", "physics-based-easing", "shrinking-header-on-scroll", "light-dismiss-a-dialog", "fluid-scaling", "forms", "performance", "html", "security", "stabilize-reactive-state", "translator", "declarative-button-actions", "deliver-optimized-decorative-images", "webmcp", "manage-recurring-intervals" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "Landing at 1365x768", "condition": "desktop", "findingIds": [ "F01", "F02", "F04", "F18" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "Landing at requested 360x800", "condition": "viewport: 360x800", "findingIds": [ "F01", "F03" ] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "Landing under dark preference", "condition": "prefers-color-scheme: dark", "findingIds": [ "F04" ] }, { "type": "screenshot", "path": "evidence/home-contrast.png", "caption": "Landing under increased contrast", "condition": "prefers-contrast: more", "findingIds": [ "F04" ] }, { "type": "screenshot", "path": "evidence/movie-desktop.png", "caption": "Movies listing with consent overlay", "condition": "desktop", "findingIds": [ "F01", "F18" ] }, { "type": "screenshot", "path": "evidence/livetv-desktop.png", "caption": "Live TV listing with consent overlay", "condition": "desktop", "findingIds": [] }, { "type": "screenshot", "path": "evidence/signup-desktop.png", "caption": "Redirected sign-in surface", "condition": "desktop", "findingIds": [ "F18" ] }, { "type": "screenshot", "path": "evidence/signup-invalid.png", "caption": "Sign-in after empty Continue activation", "condition": "empty invalid submission", "findingIds": [ "F14" ] }, { "type": "screenshot", "path": "evidence/not-found.png", "caption": "Nonexistent route recovery state", "condition": "404 route", "findingIds": [] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "Rendered landing DOM", "findingIds": [ "F05" ] }, { "type": "dom", "path": "evidence/movie-dom.json", "caption": "Rendered movie DOM", "findingIds": [ "F05", "F15" ] }, { "type": "dom", "path": "evidence/livetv-dom.json", "caption": "Rendered live-TV DOM", "findingIds": [ "F05" ] }, { "type": "dom", "path": "evidence/signup-dom.json", "caption": "Rendered sign-in DOM", "findingIds": [] }, { "type": "layout", "path": "evidence/home-layout.json", "caption": "Desktop layout and CLS", "findingIds": [] }, { "type": "layout", "path": "evidence/home-layout-mobile.json", "caption": "Mobile layout and viewport metrics", "findingIds": [ "F03" ] }, { "type": "layout", "path": "evidence/movie-layout-mobile.json", "caption": "Movie mobile metrics", "findingIds": [ "F03" ] }, { "type": "layout", "path": "evidence/livetv-layout-mobile.json", "caption": "Live-TV mobile metrics", "findingIds": [ "F03" ] }, { "type": "layout", "path": "evidence/signup-layout-mobile.json", "caption": "Sign-in mobile metrics", "findingIds": [ "F03" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "DevTools load trace", "findingIds": [] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "Compact trace timings/TBT", "findingIds": [ "F06" ] }, { "type": "har", "path": "evidence/home.har", "caption": "Network archive", "findingIds": [ "F07", "F11", "F17" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "Compact HAR resource/third-party analysis", "findingIds": [ "F07", "F11", "F17" ] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "Raw/rendered crawlability comparison", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "Rendered browser view", "condition": "JavaScript enabled", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "Crawler view", "condition": "JavaScript disabled", "findingIds": [] }, { "type": "lighthouse", "path": "evidence/lighthouse-home.json", "caption": "Lighthouse performance/a11y/best-practices/SEO", "findingIds": [ "F06", "F07", "F08", "F09" ] }, { "type": "other", "path": "evidence/home-headers.json", "caption": "Security headers", "findingIds": [ "F10" ] }, { "type": "other", "path": "evidence/home-cookies.json", "caption": "Cookie flags", "findingIds": [ "F10" ] }, { "type": "other", "path": "evidence/home-trackers.json", "caption": "Third-party origins", "findingIds": [ "F11" ] }, { "type": "other", "path": "evidence/home-secrets.json", "caption": "Client secret scan", "findingIds": [] }, { "type": "other", "path": "evidence/home-images.json", "caption": "Image element audit", "findingIds": [ "F09", "F17" ] }, { "type": "other", "path": "evidence/home-probe.json", "caption": "DOM/preferences/metadata/focus probe", "findingIds": [ "F02", "F04", "F08", "F12", "F13", "F15" ] }, { "type": "other", "path": "evidence/home-motion-reduce.json", "caption": "Reduced-motion animation probe", "findingIds": [] }, { "type": "heap", "path": "evidence/movie-heap-baseline.heapsnapshot", "caption": "Baseline heap summary", "findingIds": [ "F16" ] }, { "type": "heap", "path": "evidence/movie-heap-post.heapsnapshot", "caption": "Heap after ten listing traversals", "findingIds": [ "F16" ] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots.txt response", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "sitemap.xml 404 response", "findingIds": [ "F12" ] }, { "type": "other", "path": "evidence/not-found-probe.json", "caption": "404 recovery DOM probe", "findingIds": [] }, { "type": "other", "path": "evidence/signup-probe.json", "caption": "Sign-in field and capability probe", "findingIds": [ "F14" ] }, { "type": "other", "path": "evidence/raw-home.html", "caption": "Raw server HTML", "findingIds": [ "F12" ] }, { "type": "other", "path": "evidence/guidance-list.json", "caption": "Pinned MWG catalog listing", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-retrieved.md", "caption": "Retrieved MWG guides", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches.jsonl", "caption": "MWG semantic searches", "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": "Preference-emulated screenshot comparison and CSS/DOM search", "evidence": "Dark-emulated and default captures are identical and no preference rules were found.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png", "evidence/home-desktop.png" ], "findingIds": [ "F04" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "high", "method": "getAnimations under prefers-reduced-motion:reduce", "evidence": "Reduced-motion emulation was active and the page exposed no running animations or auto-advance.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-motion-reduce.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "issues", "confidence": "high", "method": "prefers-contrast screenshot and CSS search", "evidence": "The contrast capture is identical and no contrast/forced-colors handling was found.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-contrast.png", "evidence/home-probe.json" ], "findingIds": [ "F04" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "medium", "method": "Rendered CSS/DOM inspection and animation probe", "evidence": "No View Transition CSS or active transition was detected across route archetypes.", "pathIds": [ "movie" ], "artifacts": [ "evidence/movie-dom.json", "evidence/home-probe.json" ], "findingIds": [ "F15" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "Recon and applicability judgement", "evidence": "No parallax, scrollytelling, or scroll-linked reveal behavior was present on the representative public surfaces.", "reason": "No parallax, scrollytelling, or scroll-linked reveal behavior was present on the representative public surfaces." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "medium", "method": "Rendered DOM/CSS inspection and visual review", "evidence": "Movie/live-TV rails expose native horizontal scrolling patterns with scroll-snap/overscroll declarations rather than visible custom drag chrome.", "pathIds": [ "movie", "livetv" ], "artifacts": [ "evidence/movie-dom.json", "evidence/livetv-dom.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "medium", "method": "Scrolled-route DOM/CSS inspection", "evidence": "Long listing routes retain static chrome; no scroll-state query or progress/shrinking behavior was detected.", "pathIds": [ "movie" ], "artifacts": [ "evidence/movie-dom.json" ], "findingIds": [ "F15" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "issues", "confidence": "medium", "method": "Overlay DOM inspection", "evidence": "Visible menus/consent UI use custom containers; no popover, anchor-name, position-anchor, or position-try primitive was found.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/home-dom.json" ], "findingIds": [ "F02" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Representative route screenshots and 404 walkthrough", "evidence": "Active Movies/Live TV tabs are strongly highlighted and the error page provides a single descriptive route home.", "pathIds": [ "movie", "livetv", "not-found" ], "artifacts": [ "evidence/movie-desktop.png", "evidence/livetv-desktop.png", "evidence/not-found-probe.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "Load screenshots across archetypes", "evidence": "Cookie overlay blocks most primary content before interaction.", "pathIds": [ "home", "movie", "livetv" ], "artifacts": [ "evidence/home-desktop.png", "evidence/movie-desktop.png", "evidence/livetv-desktop.png" ], "findingIds": [ "F01" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "DOM role/primitive probe", "evidence": "Blocking overlay has no dialog/popover primitive or dialog semantics.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F02" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "medium", "method": "Desktop/mobile visual review excluding the separately reported consent interruption", "evidence": "Outside the consent notice, navigation is compact and content imagery dominates the landing and listing surfaces.", "pathIds": [ "home", "movie" ], "artifacts": [ "evidence/home-desktop.png", "evidence/movie-desktop.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "360x800 layout metrics and screenshot", "evidence": "Browser uses a 980px layout viewport at 360px because viewport meta is absent.", "pathIds": [ "home", "movie", "livetv", "signup" ], "artifacts": [ "evidence/home-layout-mobile.json", "evidence/home-mobile.png" ], "findingIds": [ "F03" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "medium", "method": "Rendered CSS search across component archetypes", "evidence": "No @container/container-type rules were found.", "pathIds": [ "home", "movie", "livetv" ], "artifacts": [ "evidence/home-dom.json", "evidence/movie-dom.json", "evidence/livetv-dom.json" ], "findingIds": [ "F05" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "pass", "confidence": "high", "method": "Focus computed-style probe and Lighthouse target/keyboard audits", "evidence": "Programmatic focus produced a visible 5px auto outline; Lighthouse found no target-size or keyboard failures.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/lighthouse-home.json" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "First-viewport visual hierarchy review", "evidence": "The H1 says Watch on Amazon.co.uk and the primary button states Go to Amazon.co.uk to watch.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "medium", "method": "Public conversion-flow walkthrough", "evidence": "The public CTA reaches the localized Amazon path and Join Prime reaches a labelled sign-in form with an explicit Create your Amazon account branch; credentialed purchase was outside public audit scope.", "pathIds": [ "home", "signup" ], "artifacts": [ "evidence/home-desktop.png", "evidence/signup-desktop.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "Invalid route walkthrough", "evidence": "A nonexistent route renders a specific error message and descriptive Go to Prime Video home recovery link.", "pathIds": [ "not-found" ], "artifacts": [ "evidence/not-found.png", "evidence/not-found-probe.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Lighthouse mobile throttling plus CDP trace", "evidence": "Lighthouse LCP is 15.7s and performance 0.55, despite an unthrottled LCP of 1.68s.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F06" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Layout-shift observer on desktop/mobile", "evidence": "CLS was 0.0065 desktop and 0.00014 mobile with no meaningful jump.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-layout.json", "evidence/home-layout-mobile.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "Trace long-task/TBT analysis", "evidence": "CDP trace found zero long tasks and 0ms TBT; Lighthouse TBT was 120ms.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json", "evidence/lighthouse-home.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "HAR initiator/priority review confirmed by Lighthouse", "evidence": "Parser-inserted high-priority chains and 6.46s render-blocking estimate delay content.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-home.json" ], "findingIds": [ "F07" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Lighthouse code-coverage diagnostics and HAR", "evidence": "601KiB unused JS, 103KiB unused CSS and 94KiB legacy JS were reported.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json" ], "findingIds": [ "F07" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility plus DOM/image primitive", "evidence": "Blocking overlay lacks dialog semantics and image evidence reports three missing alt values.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/home-images.json", "evidence/lighthouse-home.json" ], "findingIds": [ "F02", "F09" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "pass", "confidence": "high", "method": "Lighthouse contrast audit and visual review", "evidence": "Lighthouse color-contrast audit passed and essential text/control boundaries remain visually distinct.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-desktop.png" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Lighthouse landmark audit and focus probe", "evidence": "No main landmark exists, although tested focus styling is visible.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-probe.json" ], "findingIds": [ "F08" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "medium", "method": "Desktop/mobile screenshots", "evidence": "Body and heading text use clear alignment and spacing without clipping in the rendered captures.", "pathIds": [ "home", "signup" ], "artifacts": [ "evidence/home-desktop.png", "evidence/signup-desktop.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Viewport/360px layout metrics and Lighthouse audits", "evidence": "Missing viewport meta forces scaled desktop rendering and undermines predictable mobile reflow.", "pathIds": [ "home", "signup" ], "artifacts": [ "evidence/home-layout-mobile.json", "evidence/signup-layout-mobile.json" ], "findingIds": [ "F03" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "pass", "confidence": "high", "method": "Lighthouse Runtime/console audit", "evidence": "errors-in-console passed with zero items.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "DOM, image primitive, and Lighthouse best-practices", "evidence": "Doctype/charset pass, but visible logos are unsized and image delivery lacks responsive/modern formats.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/lighthouse-home.json" ], "findingIds": [ "F09" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Lighthouse best-practices inspector and legacy-code audits", "evidence": "Inspector issues failed and Lighthouse identifies avoidable legacy JavaScript.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json" ], "findingIds": [ "F07" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "Raw/rendered DOM and Lighthouse SEO", "evidence": "Descriptive title and meta description are present in raw HTML; Lighthouse audits pass.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/lighthouse-home.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Raw links/robots, Lighthouse SEO, and viewport probe", "evidence": "Links/robots are crawlable but the required mobile viewport meta is absent.", "pathIds": [ "home" ], "artifacts": [ "evidence/raw-home.html", "evidence/robots.txt", "evidence/home-layout-mobile.json" ], "findingIds": [ "F03" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "issues", "confidence": "high", "method": "Canonical/lang/robots/sitemap inspection", "evidence": "UK content declares en_US canonical and sitemap.xml returns 404.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/sitemap.xml" ], "findingIds": [ "F12" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "medium", "method": "Metadata DOM probe", "evidence": "Open Graph exists but no JSON-LD entity metadata is present.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Headers/cookies/secrets primitives", "evidence": "HTTPS/HSTS/nosniff pass and no secrets were found, but CSP is missing and multiple cookies have weak flags.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json", "evidence/home-secrets.json" ], "findingIds": [ "F10" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "HAR and tracker inventory before consent", "evidence": "83 third-party-classified requests and several event/metrics origins load before consent choice.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-trackers.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "medium", "method": "Load behavior and sign-in DOM probe", "evidence": "No browser permission prompt appeared on load; sign-in exposes WebAuthn-capable autocomplete and navigator.credentials support.", "pathIds": [ "signup" ], "artifacts": [ "evidence/signup-probe.json", "evidence/signup-desktop.png" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Security response-header inspection", "evidence": "HSTS and X-Frame-Options pass, but CSP, Referrer-Policy and Permissions-Policy are absent.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json" ], "findingIds": [ "F10" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "high", "method": "Raw-HTML/rendered discoverability comparison", "evidence": "Raw HTML is 200, contains title/H1/description, and has 100% rendered token coverage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-crawler.png" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "medium", "method": "Representative menu/listing/overlay screenshots", "evidence": "Navigation and overlays rendered without edge clipping on desktop archetypes and active state remained coherent.", "pathIds": [ "home", "movie", "livetv" ], "artifacts": [ "evidence/home-desktop.png", "evidence/movie-desktop.png", "evidence/livetv-desktop.png" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Recon and applicability judgement", "evidence": "Prime Video playback and account/catalog operations are intrinsically online; an offline-installable experience was not judged necessary for this public streaming surface.", "reason": "Prime Video playback and account/catalog operations are intrinsically online; an offline-installable experience was not judged necessary for this public streaming surface." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "Direct nonexistent-route test", "evidence": "The 404 state explains the failure and offers a descriptive route to Prime Video home.", "pathIds": [ "not-found" ], "artifacts": [ "evidence/not-found.png", "evidence/not-found-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "issues", "confidence": "high", "method": "Rendered lang/canonical/content comparison", "evidence": "UK-localized content declares en-us and an en_US canonical, so language/index signals do not match the served locale.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/home-desktop.png" ], "findingIds": [ "F12" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "issues", "confidence": "medium", "method": "Localized public-route visual/DOM comparison", "evidence": "The UK experience uses en-us language/indexing signals, making locale-aware formatting and discovery ambiguous.", "pathIds": [ "home", "livetv" ], "artifacts": [ "evidence/home-probe.json", "evidence/livetv-desktop.png" ], "findingIds": [ "F12" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "pass", "confidence": "low", "method": "Live-TV schedule and location messaging visual review", "evidence": "The live schedule displays a coherent local sequence and explicitly warns when catalog location differs; no contradictory time values were observed.", "pathIds": [ "livetv" ], "artifacts": [ "evidence/livetv-desktop.png" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "issues", "confidence": "medium", "method": "Commercial CTA and consent visual review", "evidence": "Consent choices are equal, but Join Prime omits localized price and renewal commitment adjacent to the action.", "pathIds": [ "home", "movie" ], "artifacts": [ "evidence/home-desktop.png", "evidence/movie-desktop.png" ], "findingIds": [ "F18" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "issues", "confidence": "high", "method": "Empty sign-in submission screenshot", "evidence": "Activating Continue with an empty value produced no visible error or recovery message.", "pathIds": [ "signup" ], "artifacts": [ "evidence/signup-invalid.png" ], "findingIds": [ "F14" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "issues", "confidence": "medium", "method": "Sign-in field DOM inspection", "evidence": "The email/mobile field is labelled but uses autocomplete=\"webauthn\" alone rather than a username webauthn token, and empty submission lacks assistance.", "pathIds": [ "signup" ], "artifacts": [ "evidence/signup-probe.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "issues", "confidence": "medium", "method": "Join/subscription flow walkthrough", "evidence": "Pricing and renewal commitment are not visible before the action redirects to sign-in.", "pathIds": [ "home", "signup" ], "artifacts": [ "evidence/home-desktop.png", "evidence/signup-desktop.png" ], "findingIds": [ "F18" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "HAR byte analysis and image primitive", "evidence": "6.20MB transfer includes a 3.72MB JPEG and no modern image formats in audited img elements.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-images.json" ], "findingIds": [ "F17" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "HAR request inventory and Lighthouse coverage", "evidence": "104 requests include multiple metrics/event calls while 601KiB JS and 103KiB CSS are unused.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-home.json" ], "findingIds": [ "F11", "F07" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "HAR third-party/resource budget analysis", "evidence": "Third-party-classified delivery is 6.03MB, with 29 font requests and a multi-megabyte hero.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json" ], "findingIds": [ "F17", "F11" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "Rendered source search and applicability judgement", "evidence": "No declared agent-facing transaction or WebMCP surface was found; this emerging capability was treated as an optional opportunity rather than a failure.", "reason": "No declared agent-facing transaction or WebMCP surface was found; this emerging capability was treated as an optional opportunity rather than a failure." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Rendered source search and applicability judgement", "evidence": "No user-facing summarisation or language-model task was exposed on the audited public surfaces, so on-device inference is not applicable.", "reason": "No user-facing summarisation or language-model task was exposed on the audited public surfaces, so on-device inference is not applicable." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "issues", "confidence": "medium", "method": "Baseline and post-interaction heap summaries after ten feed traversals", "evidence": "Retained self size rose 25.0MB and node count rose 385,386 after repeated traversal.", "pathIds": [ "movie" ], "artifacts": [ "evidence/movie-heap-baseline.heapsnapshot", "evidence/movie-heap-post.heapsnapshot" ], "findingIds": [ "F16" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "medium", "method": "Heap totals proportionality review", "evidence": "Baseline already contains 1.14M nodes/70.5MB and post traversal 1.52M/95.5MB on a public listing.", "pathIds": [ "movie" ], "artifacts": [ "evidence/movie-heap-baseline.heapsnapshot", "evidence/movie-heap-post.heapsnapshot" ], "findingIds": [ "F16" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "Constructor comparison across heap summaries", "evidence": "No Detached* constructor appears among the dominant constructor populations; observed growth is reported separately without asserting detached-node leakage.", "pathIds": [ "movie" ], "artifacts": [ "evidence/movie-heap-baseline.heapsnapshot", "evidence/movie-heap-post.heapsnapshot" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F04" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F15" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F15", "F02" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F01", "F02" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F03", "F05" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "pass" }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F06", "F07" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F02", "F09", "F08", "F03" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F09", "F07" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F03", "F12", "F13" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F10", "F11" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "pass" }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "issues", "findingIds": [ "F12" ] }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F18", "F14" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F17", "F11", "F07" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "No declared agent-facing transaction or WebMCP surface was found; this emerging capability was treated as an optional opportunity rather than a failure. No user-facing summarisation or language-model task was exposed on the audited public surfaces, so on-device inference is not applicable." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F16" ] } ], "paths": [ { "id": "home", "description": "Root/UK non-Prime landing: entry, offer clarity, consent, global metadata/security/performance, desktop/mobile/preferences.", "url": "https://www.primevideo.com", "conditions": [ "desktop 1365x768", "requested mobile 360x800", "prefers-color-scheme: dark", "prefers-contrast: more", "prefers-reduced-motion: reduce", "JavaScript disabled crawler" ], "result": "issues" }, { "id": "movie", "description": "Movies listing archetype: navigation state, media feed, consent, narrow layout, repeated scrolling/memory.", "url": "https://www.primevideo.com/movie", "conditions": [ "desktop", "requested mobile 360x800", "ten bottom/top traversals" ], "result": "issues" }, { "id": "livetv", "description": "Live TV schedule archetype: category navigation, schedule density, locale/time presentation, narrow layout.", "url": "https://www.primevideo.com/livetv", "conditions": [ "desktop", "requested mobile 360x800" ], "result": "issues" }, { "id": "signup", "description": "Primary public conversion/auth hand-off: sign-in form, labels/autocomplete, empty submission, mobile layout.", "url": "https://www.primevideo.com/signup", "conditions": [ "desktop", "requested mobile 360x800", "empty Continue submission" ], "result": "issues" }, { "id": "not-found", "description": "Network/HTTP failure recovery using a nonexistent public route.", "url": "https://www.primevideo.com/this-route-does-not-exist-web-uplift", "conditions": [ "desktop" ], "result": "pass" } ], "findings": [ { "id": "F01", "severity": "high", "confidence": "high", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "user-experience", "pathId": "home", "url": "https://www.primevideo.com", "summary": "The cookie notice obscures most of the primary content on every public browse surface.", "evidence": "Desktop screenshots show a 398px-tall overlay covering the hero and listings; on the 360px capture it occupies the bottom quarter while the page is scaled down.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/movie-desktop.png" ], "suggestedFix": "Use a compact, non-blocking consent surface for optional cookies, retain equally prominent Accept and Decline actions, and reserve a modal only when interaction must truly stop.", "effort": "medium" }, { "id": "F02", "severity": "medium", "confidence": "high", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "user-experience", "pathId": "home", "url": "https://www.primevideo.com", "summary": "The blocking cookie overlay is not exposed as a dialog primitive.", "evidence": "The DOM probe found no dialog element, role=dialog, or aria-modal while the visible overlay blocks and visually dominates the page.", "artifacts": [ "evidence/home-probe.json", "evidence/home-desktop.png" ], "suggestedFix": "Implement the blocking surface with , an accessible name, controlled focus, Escape handling, and predictable focus restoration.", "effort": "medium" }, { "id": "F03", "severity": "high", "confidence": "high", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "guidanceCategory": "css", "pathId": "home", "url": "https://www.primevideo.com", "summary": "Public and sign-in pages omit the viewport meta tag, so mobile browsers render a 980px layout and scale it down.", "evidence": "At a requested 360x800 viewport, layout evidence reports clientWidth 980, visual scale 0.367, and hasViewportMeta=false on home, movie, live TV, and sign-in.", "artifacts": [ "evidence/home-layout-mobile.json", "evidence/movie-layout-mobile.json", "evidence/livetv-layout-mobile.json", "evidence/signup-layout-mobile.json", "evidence/home-mobile.png" ], "suggestedFix": "Add and verify reflow at 320-400 CSS px without disabling user zoom.", "effort": "small" }, { "id": "F04", "severity": "medium", "confidence": "high", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "pathId": "home", "url": "https://www.primevideo.com", "summary": "The landing experience uses a fixed dark palette rather than adapting to color-scheme and contrast preferences.", "evidence": "Normal, prefers-color-scheme:dark, and prefers-contrast:more screenshots are pixel-identical; DOM/CSS searches found no prefers-color-scheme, prefers-contrast, or forced-colors rules.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-dark.png", "evidence/home-contrast.png", "evidence/home-probe.json" ], "suggestedFix": "Declare color-scheme and define preference-driven tokens with prefers-color-scheme plus forced-colors/prefers-contrast overrides for essential controls.", "effort": "medium" }, { "id": "F05", "severity": "medium", "confidence": "medium", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "fluid-scaling", "guidanceCategory": "css", "pathId": "livetv", "url": "https://www.primevideo.com/livetv", "summary": "Responsive behavior is viewport-only; no container-query rules were found for reusable navigation, hero, or schedule components.", "evidence": "Rendered DOM/CSS evidence across home, movie, and live TV contains no @container or container-type declarations.", "artifacts": [ "evidence/home-dom.json", "evidence/movie-dom.json", "evidence/livetv-dom.json" ], "suggestedFix": "Give reusable cards, navigation groups, and schedule rows containment and adapt them with size container queries while retaining a viewport fallback.", "effort": "medium" }, { "id": "F06", "severity": "high", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "performance", "pathId": "home", "url": "https://www.primevideo.com", "summary": "Cold, throttled loading is slow despite a fast unthrottled trace.", "evidence": "Lighthouse performance is 0.55 with FCP 10.2s, LCP 15.7s, and TTI 15.7s; the unthrottled trace corroborates low blocking work but not the network-constrained experience.", "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Profile the LCP request chain under mobile throttling, preload only the selected LCP asset, reduce redirects and render-blocking dependencies, and retest field-like conditions.", "effort": "large" }, { "id": "F07", "severity": "high", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "performance", "guidanceCategory": "performance", "pathId": "home", "url": "https://www.primevideo.com", "summary": "Large render-blocking chains and substantial unused code delay first render.", "evidence": "Lighthouse estimates 6.46s render-blocking savings, 601KiB unused JavaScript, 103KiB unused CSS, and 94KiB legacy JavaScript; HAR confirms parser-inserted very-high-priority stylesheets and high-priority scripts.", "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-summary.json", "evidence/home.har" ], "suggestedFix": "Split route and widget bundles, remove legacy/duplicate code, inline only critical CSS, defer non-critical scripts, and shorten the parser-blocking dependency chain.", "effort": "large" }, { "id": "F08", "severity": "medium", "confidence": "high", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "pathId": "home", "url": "https://www.primevideo.com", "summary": "The page has no main landmark.", "evidence": "Lighthouse accessibility reports landmark-one-main as the sole failing accessibility audit, and the DOM probe found header, nav, and footer but no main element or role=main.", "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-probe.json" ], "suggestedFix": "Wrap the unique page content in one
landmark and keep repeated navigation outside it.", "effort": "small" }, { "id": "F09", "severity": "medium", "confidence": "high", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "guidanceCategory": "html", "pathId": "home", "url": "https://www.primevideo.com", "summary": "Several image elements lack dimensions and responsive delivery; some rendered images have no alt text.", "evidence": "The images primitive reports 3/4 images without width/height, 2 oversized, no modern formats, and 3 without alt; Lighthouse independently flags the visible navigation and footer logos as unsized.", "artifacts": [ "evidence/home-images.json", "evidence/lighthouse-home.json" ], "suggestedFix": "Set intrinsic width/height, use responsive srcset/sizes and modern formats, and give meaningful images an alt value while keeping decorative images explicitly alt=\"\".", "effort": "small" }, { "id": "F10", "severity": "high", "confidence": "high", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "pathId": "home", "url": "https://www.primevideo.com", "summary": "Browser security policy and cookie defenses are incomplete.", "evidence": "Headers evidence shows no CSP, Referrer-Policy, or Permissions-Policy. Cookie evidence finds csm-hit and i18n-prefs without Secure and auth-like session-id/session-token values without HttpOnly, all SameSite=None.", "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "suggestedFix": "Deploy a nonce/hash-based CSP, explicit Referrer-Policy and Permissions-Policy; mark all HTTPS cookies Secure, restrict SameSite, and make server-only session credentials HttpOnly.", "effort": "medium" }, { "id": "F11", "severity": "medium", "confidence": "high", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "security", "guidanceCategory": "privacy", "pathId": "home", "url": "https://www.primevideo.com", "summary": "The unauthenticated landing page has a broad telemetry and third-party request footprint before consent choice.", "evidence": "HAR records 83/104 requests and 6.03MB/6.20MB as third-party by origin classification; tracker evidence lists eight third-party origins including multiple analytics/event endpoints.", "artifacts": [ "evidence/home-summary.json", "evidence/home-trackers.json", "evidence/home.har" ], "suggestedFix": "Gate optional telemetry until consent, consolidate and batch essential events, inventory each external origin, and remove calls without direct user value.", "effort": "large" }, { "id": "F12", "severity": "medium", "confidence": "high", "principleId": "be-discoverable", "principleCheckId": "canonical-and-indexing-signals", "guidanceId": "html", "guidanceCategory": "html", "pathId": "home", "url": "https://www.primevideo.com", "summary": "Locale and indexing signals conflict on the UK landing experience.", "evidence": "The rendered page says Amazon.co.uk and redirects UK users, but html lang is en-us and canonical points to /-/en_US/gp/video/offers; /sitemap.xml returned a branded 404.", "artifacts": [ "evidence/home-probe.json", "evidence/raw-home.html", "evidence/sitemap.xml" ], "suggestedFix": "Emit the actual locale in lang, point canonical to the equivalent UK locale URL, add reciprocal hreflang entries, and expose a valid sitemap URL in robots.txt.", "effort": "medium" }, { "id": "F13", "severity": "low", "confidence": "medium", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "guidanceCategory": "html", "pathId": "home", "url": "https://www.primevideo.com", "summary": "The public offer page has social tags but no structured entity metadata.", "evidence": "The DOM probe found three Open Graph tags and zero application/ld+json blocks on a public service/offer landing page.", "artifacts": [ "evidence/home-probe.json" ], "suggestedFix": "Add accurate JSON-LD for WebSite/Organization and applicable Offer or VideoObject entities, matching visible content and localized URLs.", "effort": "small" }, { "id": "F14", "severity": "medium", "confidence": "high", "principleId": "be-trustworthy", "principleCheckId": "humane-error-handling", "guidanceId": "forms", "guidanceCategory": "forms", "pathId": "signup", "url": "https://www.primevideo.com/signup", "summary": "Submitting the empty sign-in form gives no visible validation or recovery message.", "evidence": "After activating Continue with the empty focused email field and waiting 1.5s, the screenshot remains unchanged with no visible error announcement.", "artifacts": [ "evidence/signup-invalid.png", "evidence/signup-probe.json" ], "suggestedFix": "After interaction, identify the required value with visible, specific text, associate it with aria-describedby/aria-invalid, focus or announce the error, and preserve the entered value.", "effort": "small" }, { "id": "F15", "severity": "low", "confidence": "medium", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "physics-based-easing", "guidanceCategory": "css", "pathId": "movie", "url": "https://www.primevideo.com/movie", "summary": "Route and major state changes have no detectable declarative transition treatment.", "evidence": "The probe reports no active animations and rendered CSS evidence contains no View Transition CSS; navigation changes are abrupt while active tabs merely swap style.", "artifacts": [ "evidence/home-probe.json", "evidence/movie-dom.json" ], "suggestedFix": "Use same-document or cross-document View Transitions for route and detail changes, with a reduced-motion fallback and motion tied to navigation direction.", "effort": "medium" }, { "id": "F16", "severity": "medium", "confidence": "medium", "principleId": "be-memory-efficient", "principleCheckId": "no-leak-under-repeated-interaction", "guidanceId": "manage-recurring-intervals", "guidanceCategory": "performance", "pathId": "movie", "url": "https://www.primevideo.com/movie", "summary": "Repeated feed traversal retained substantially more heap and objects.", "evidence": "Heap summaries after ten bottom/top traversals grew from 70.5MB/1,139,190 nodes to 95.5MB/1,524,576 nodes, including Objects 73,053→191,008 and closures 55,828→83,413.", "artifacts": [ "evidence/movie-heap-baseline.heapsnapshot", "evidence/movie-heap-post.heapsnapshot" ], "suggestedFix": "Run a baseline/target/final heap workflow with explicit GC, identify retainers for loaded cards/listeners, virtualize or evict offscreen feed data, and clean up subscriptions and timers.", "effort": "large" }, { "id": "F17", "severity": "high", "confidence": "high", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "performance", "pathId": "home", "url": "https://www.primevideo.com", "summary": "The unauthenticated landing transfers disproportionate image and font payloads.", "evidence": "HAR totals 6.20MB: 3.74MB images and 1.02MB across 29 fonts; one 2880x1350 JPEG alone transfers 3.72MB. The image probe finds no modern formats or responsive source for the audited images.", "artifacts": [ "evidence/home-summary.json", "evidence/home-images.json", "evidence/home.har" ], "suggestedFix": "Serve an AVIF/WebP responsive hero sized to the viewport, subset and consolidate fonts, lazy-load below-fold media, and enforce route-specific byte budgets.", "effort": "medium" }, { "id": "F18", "severity": "high", "confidence": "medium", "principleId": "be-trustworthy", "principleCheckId": "safe-commercial-and-account-flows", "guidanceId": "declarative-button-actions", "guidanceCategory": "forms", "pathId": "home", "url": "https://www.primevideo.com", "summary": "The prominent Join Prime path does not disclose price or commitment before sending users into account authentication.", "evidence": "Home and movie screenshots show repeated Join Prime actions and subscription language without a visible price, renewal term, or trial commitment; /signup redirects directly to Amazon Sign-In.", "artifacts": [ "evidence/home-desktop.png", "evidence/movie-desktop.png", "evidence/signup-desktop.png" ], "suggestedFix": "Place localized price, billing cadence, trial/renewal terms, and a clear cancellation route adjacent to every Join Prime action before authentication.", "effort": "medium" } ], "taskList": [ { "id": "T01", "title": "Restore real mobile reflow with a viewport declaration", "priority": 1, "findingIds": [ "F03" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T02", "title": "Cut the critical path and unused route payload", "priority": 2, "findingIds": [ "F06", "F07" ], "guidanceId": "performance", "status": "open" }, { "id": "T03", "title": "Harden security headers and session cookies", "priority": 3, "findingIds": [ "F10" ], "guidanceId": "security", "status": "open" }, { "id": "T04", "title": "Optimize the hero, fonts, and third-party budget", "priority": 4, "findingIds": [ "F11", "F17" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T05", "title": "Make consent compact, semantic, and accessible", "priority": 5, "findingIds": [ "F01", "F02" ], "guidanceId": "light-dismiss-a-dialog", "status": "open" }, { "id": "T06", "title": "Disclose Prime price and renewal terms before authentication", "priority": 6, "findingIds": [ "F18" ], "guidanceId": "declarative-button-actions", "status": "open" }, { "id": "T07", "title": "Investigate and bound retained feed memory", "priority": 7, "findingIds": [ "F16" ], "guidanceId": "manage-recurring-intervals", "status": "open" }, { "id": "T08", "title": "Add main landmark and correct image semantics/dimensions", "priority": 8, "findingIds": [ "F08", "F09" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T09", "title": "Align UK locale, canonical, hreflang, and sitemap signals", "priority": 9, "findingIds": [ "F12", "F13" ], "guidanceId": "html", "status": "open" }, { "id": "T10", "title": "Provide humane sign-in validation and autocomplete", "priority": 10, "findingIds": [ "F14" ], "guidanceId": "forms", "status": "open" }, { "id": "T11", "title": "Respect theme/contrast and add component responsiveness", "priority": 11, "findingIds": [ "F04", "F05" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T12", "title": "Add declarative navigation transitions", "priority": 12, "findingIds": [ "F15" ], "guidanceId": "physics-based-easing", "status": "open" } ], "budget": { "pathCount": 5, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-22T14-49-53-688Z" }