{ "url": "https://faq.whatsapp.com", "auditedAt": "2026-07-20T22:42:00.000Z", "mode": "report", "status": "completed", "statusDetail": "All 58 catalog checks were judged across five representative public help-center paths.", "page": { "appType": "hybrid", "framework": "Meta/Comet client runtime", "notes": "Public help center with client-rendered home, category, article, search and error templates." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "layout-metrics", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "lighthouse", "curl HTTP inspection", "modern-web-guidance" ], "guidanceConsulted": [ "dark-mode", "accessibility", "privacy", "security", "performance", "css-layout", "fluid-scaling", "navigation-drawer", "forms", "improve-text-layout-and-legibility", "optimize-image-priority", "break-up-long-tasks", "defer-rendering-heavy-content" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "Homepage at desktop viewport", "condition": "desktop", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "Homepage captured on a 360x800 device viewport", "condition": "viewport: 360x800", "findingIds": [ "F2" ] }, { "type": "screenshot", "path": "evidence/category-mobile.png", "caption": "Category template on mobile", "condition": "viewport: 360x800", "findingIds": [ "F3" ] }, { "type": "screenshot", "path": "evidence/article-mobile.png", "caption": "Article template on mobile", "condition": "viewport: 360x800", "findingIds": [ "F2", "F3" ] }, { "type": "screenshot", "path": "evidence/search-mobile.png", "caption": "Search results for backup", "condition": "viewport: 360x800", "findingIds": [ "F9" ] }, { "type": "screenshot", "path": "evidence/error-mobile.png", "caption": "Error state and recovery actions", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-mobile-dark.png", "caption": "Homepage with dark preference", "condition": "prefers-color-scheme: dark", "findingIds": [ "F1" ] }, { "type": "screenshot", "path": "evidence/home-mobile-contrast.png", "caption": "Homepage with increased contrast preference", "condition": "prefers-contrast: more", "findingIds": [] }, { "type": "layout", "path": "evidence/layout-mobile.json", "caption": "Mobile viewport and layout metrics", "condition": "viewport: 360x800", "findingIds": [ "F2", "F10", "F14" ] }, { "type": "layout", "path": "evidence/layout-article.json", "caption": "Article CLS and long-task metrics", "condition": "desktop", "findingIds": [] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "DevTools performance trace", "condition": "cold load", "findingIds": [] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "Compact trace timing summary", "condition": "cold load", "findingIds": [ "F6" ] }, { "type": "har", "path": "evidence/home.har", "caption": "Network HAR", "condition": "cold load", "findingIds": [ "F7" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "Compact network summary", "condition": "cold load", "findingIds": [ "F7", "F19" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-home.json", "caption": "Lighthouse report", "condition": "mobile simulated", "findingIds": [] }, { "type": "other", "path": "evidence/lighthouse-summary.json", "caption": "Selected Lighthouse metrics", "condition": "mobile simulated", "findingIds": [ "F6", "F8", "F11", "F19" ] }, { "type": "other", "path": "evidence/lighthouse-failures.json", "caption": "Lighthouse failing audit summary", "condition": "mobile simulated", "findingIds": [ "F4", "F7", "F10", "F12", "F14" ] }, { "type": "other", "path": "evidence/focus-probe.json", "caption": "Programmatic keyboard focus visibility probe", "condition": "keyboard focus", "findingIds": [ "F5" ] }, { "type": "other", "path": "evidence/i18n-probe.json", "caption": "Language and logical CSS probe", "condition": "English template", "findingIds": [] }, { "type": "discoverability", "path": "evidence/discoverability-home.json", "caption": "Raw vs rendered homepage content comparison", "condition": "JavaScript disabled crawler", "findingIds": [ "F17" ] }, { "type": "screenshot", "path": "evidence/discoverability-home-crawler.png", "caption": "Crawler view of homepage", "condition": "JavaScript disabled", "findingIds": [ "F17" ] }, { "type": "discoverability", "path": "evidence/discoverability-article.json", "caption": "Raw vs rendered article content comparison", "condition": "JavaScript disabled crawler", "findingIds": [ "F17" ] }, { "type": "screenshot", "path": "evidence/discoverability-article-crawler.png", "caption": "Crawler view of article", "condition": "JavaScript disabled", "findingIds": [ "F17" ] }, { "type": "other", "path": "evidence/headers.json", "caption": "Security response headers", "condition": "cold load", "findingIds": [ "F16" ] }, { "type": "other", "path": "evidence/cookies.json", "caption": "Cookie posture", "condition": "cold load", "findingIds": [] }, { "type": "other", "path": "evidence/trackers.json", "caption": "Third-party tracker scan", "condition": "cold load", "findingIds": [] }, { "type": "other", "path": "evidence/secrets.json", "caption": "Client secret scan", "condition": "cold load", "findingIds": [] }, { "type": "other", "path": "evidence/images-article.json", "caption": "Article image audit", "condition": "article", "findingIds": [ "F11", "F18" ] }, { "type": "heap", "path": "evidence/heap-baseline.heapsnapshot", "caption": "Baseline heap summary", "condition": "initial state", "findingIds": [ "F20" ] }, { "type": "heap", "path": "evidence/heap-interaction.heapsnapshot", "caption": "Heap after ten navigation toggles", "condition": "10 repeated toggles", "findingIds": [ "F20" ] }, { "type": "dom", "path": "evidence/home-probe.json", "caption": "Homepage DOM/computed-style probe", "condition": "mobile/reduced motion", "findingIds": [ "F1", "F4", "F9" ] }, { "type": "dom", "path": "evidence/article-probe.json", "caption": "Article metadata/structure probe", "condition": "mobile", "findingIds": [ "F13", "F15" ] }, { "type": "other", "path": "coverage-manifest.json", "caption": "Exact 58-check coverage manifest", "condition": "catalog 0.0.172", "findingIds": [] }, { "type": "other", "path": "evidence-plan.json", "caption": "Per-check evidence plan", "condition": "five representative paths", "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": "Emulated-media screenshots and computed-style/animation probe", "evidence": "The dark-mode capture is pixel-equivalent to the light capture; the probe reports colorScheme \"normal\" and the same light rgb(240, 242, 245) body background.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-dark.png", "evidence/home-probe.json" ], "findingIds": [ "F1" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "high", "method": "Emulated-media screenshots and computed-style/animation probe", "evidence": "Under prefers-reduced-motion: reduce, getAnimations() returned an empty array; no auto-advance or nonessential animation was running.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-dark.png", "evidence/home-mobile-contrast.png", "evidence/home-probe.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "Emulated-media screenshots and computed-style/animation probe", "evidence": "The prefers-contrast capture remained fully visible, and Lighthouse color-contrast passed with no failing elements.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-dark.png", "evidence/home-mobile-contrast.png", "evidence/home-probe.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "pass", "confidence": "high", "method": "Rendered CSS capability and interaction inspection", "evidence": "The stylesheet inspection found view-transition rules and the browser exposes document.startViewTransition; no abrupt state-loss issue was observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/article-probe.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "Rendered CSS capability and interaction inspection", "evidence": "No scroll-linked animation is present on the sampled help templates, so there is no scroll animation implementation to assess.", "reason": "No scroll-linked animation is present on the sampled help templates, so there is no scroll animation implementation to assess." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "not-applicable", "confidence": "high", "method": "Rendered CSS capability and interaction inspection", "evidence": "The sampled help center exposes ordinary links, search and disclosure controls, not gesture-driven interactions.", "reason": "The sampled help center exposes ordinary links, search and disclosure controls, not gesture-driven interactions." }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "pass", "confidence": "high", "method": "Representative screenshots, DOM and interaction inspection", "evidence": "The persistent category navigation and article context remain visible while long content scrolls, providing stable orientation without scroll-handler long tasks.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Representative screenshots, DOM and interaction inspection", "evidence": "No tooltip or edge-positioned transient overlay was exposed on the sampled primary paths.", "reason": "No tooltip or edge-positioned transient overlay was exposed on the sampled primary paths." }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Representative screenshots, DOM and interaction inspection", "evidence": "Article navigation highlights the current article in green, uses a clear H1 and platform tabs, and search results highlight the query term.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "pass", "confidence": "high", "method": "First-load and article screenshots plus DOM semantics inspection", "evidence": "First-load home screenshot contains no modal, consent wall or interstitial obscuring content.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "pass", "confidence": "high", "method": "First-load and article screenshots plus DOM semantics inspection", "evidence": "No modal flow was triggered; the only persistent feedback prompt visibly provides a close control and does not obscure the article body.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "issues", "confidence": "high", "method": "First-load and article screenshots plus DOM semantics inspection", "evidence": "On article and category mobile captures, the always-visible left navigation occupies about 110 of 360 physical pixels before the content column.", "pathIds": [ "home" ], "artifacts": [ "evidence/article-mobile.png", "evidence/category-mobile.png" ], "findingIds": [ "F3" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "360x800 screenshot, layout metrics, container-rule and focus probes", "evidence": "At a 360x800 device viewport, layout reports hasViewportMeta:false, innerWidth:980 and scale:0.367. Screenshots show the permanent desktop sidebar and very small content.", "pathIds": [ "home" ], "artifacts": [ "evidence/layout-mobile.json", "evidence/home-mobile.png", "evidence/article-mobile.png" ], "findingIds": [ "F2" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "pass", "confidence": "high", "method": "360x800 screenshot, layout metrics, container-rule and focus probes", "evidence": "The live stylesheet probe found multiple size-based @container rules, including editor and component containers.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/article-mobile.png", "evidence/search-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "360x800 screenshot, layout metrics, container-rule and focus probes", "evidence": "The focus probe focused the Help Center link, language control, all sidebar buttons, search input and article links; every sampled element reported outline:none and boxShadow:none.", "pathIds": [ "home" ], "artifacts": [ "evidence/focus-probe.json" ], "findingIds": [ "F5" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "Homepage, search-result and error-state walkthrough", "evidence": "The home first viewport clearly asks “How can we help you?” and makes search and popular topics primary.", "pathIds": [ "home" ], "artifacts": [ "evidence/search-mobile.png", "evidence/error-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "high", "method": "Homepage, search-result and error-state walkthrough", "evidence": "The representative search URL returned 16 relevant backup results with descriptive links, and the sampled result article loaded successfully.", "pathIds": [ "home" ], "artifacts": [ "evidence/search-mobile.png", "evidence/error-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "Homepage, search-result and error-state walkthrough", "evidence": "The explicit error route explains that the page was not found and offers Help Center Home, back and WhatsApp recovery actions.", "pathIds": [ "home" ], "artifacts": [ "evidence/search-mobile.png", "evidence/error-mobile.png" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Lighthouse, trace summary, layout metrics, HAR summary and images audit", "evidence": "Mobile Lighthouse measured FCP 13.2s and LCP 17.5s (performance 0.55). A separate trace measured FCP/LCP 2.25s, showing network variability but corroborating that the page is delivery-bound rather than main-thread-bound.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F6" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Lighthouse, trace summary, layout metrics, HAR summary and images audit", "evidence": "Layout observers measured CLS 0 on home and 0.00029 on the article, both in the good range.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "Lighthouse, trace summary, layout metrics, HAR summary and images audit", "evidence": "Trace TBT was 17ms with one 67ms task; layout observed no long tasks on home.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Lighthouse, trace summary, layout metrics, HAR summary and images audit", "evidence": "HAR records 41 requests and 3,150,112 transferred bytes, including two VeryHigh parser-inserted stylesheets. Lighthouse reports render-blocking savings of 1.35s and a 3,063 KiB payload.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse-failures.json" ], "findingIds": [ "F7" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Lighthouse, trace summary, layout metrics, HAR summary and images audit", "evidence": "Lighthouse estimates 1,906 KiB unused JavaScript and 306 KiB unused CSS; many individual bundles are over 90% unused.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F8" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility audits, focus probe, DOM and mobile screenshots", "evidence": "Lighthouse reports aria-required-children, list and listitem failures, and an agent accessibility-tree failure. The DOM also exposes core navigation controls as DIV role=button.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-failures.json", "evidence/home-probe.json" ], "findingIds": [ "F4" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "pass", "confidence": "high", "method": "Lighthouse accessibility audits, focus probe, DOM and mobile screenshots", "evidence": "Lighthouse color-contrast passed with no failing elements; the high-contrast emulation remained readable.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-failures.json", "evidence/focus-probe.json" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility audits, focus probe, DOM and mobile screenshots", "evidence": "The focus probe focused the Help Center link, language control, all sidebar buttons, search input and article links; every sampled element reported outline:none and boxShadow:none.", "pathIds": [ "home" ], "artifacts": [ "evidence/focus-probe.json" ], "findingIds": [ "F5" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility audits, focus probe, DOM and mobile screenshots", "evidence": "The page computes 12px body text inside a 980px layout that Chrome scales to 0.367, producing roughly 4.4 physical-pixel text in the mobile captures.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/search-mobile.png" ], "findingIds": [ "F9" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility audits, focus probe, DOM and mobile screenshots", "evidence": "The mobile layout primitive reports hasViewportMeta:false and Chrome emulates a 980px layout scaled down. Lighthouse separately fails meta-viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/layout-mobile.json", "evidence/lighthouse-failures.json" ], "findingIds": [ "F10" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "pass", "confidence": "high", "method": "Lighthouse best-practices audits, DOM and images audit", "evidence": "Lighthouse errors-in-console audit passed with an empty error table.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/images-article.json" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Lighthouse best-practices audits, DOM and images audit", "evidence": "Lighthouse reports a missing/late charset. The article image audit finds all 16 images missing at least one explicit dimension, 15 below-fold images not lazy-loaded and one missing alt.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/images-article.json" ], "findingIds": [ "F11" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Lighthouse best-practices audits, DOM and images audit", "evidence": "Lighthouse reports one deprecated-API warning and four BFCache failure reasons.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-failures.json" ], "findingIds": [ "F12" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "issues", "confidence": "high", "method": "Discoverability raw/rendered comparison, metadata probe, robots/sitemap HTTP inspection", "evidence": "The sampled article has a descriptive title but article-probe reports description:null.", "pathIds": [ "home" ], "artifacts": [ "evidence/article-probe.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Discoverability raw/rendered comparison, metadata probe, robots/sitemap HTTP inspection", "evidence": "robots.txt and sitemap.xml redirect to the generic error route; Lighthouse reports robots.txt invalid with 73 errors, and the page has no viewport meta.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-failures.json", "evidence/layout-mobile.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "issues", "confidence": "high", "method": "Discoverability raw/rendered comparison, metadata probe, robots/sitemap HTTP inspection", "evidence": "robots.txt and sitemap.xml redirect to the generic error route; Lighthouse reports robots.txt invalid with 73 errors, and the page has no viewport meta.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-failures.json", "evidence/layout-mobile.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "high", "method": "Discoverability raw/rendered comparison, metadata probe, robots/sitemap HTTP inspection", "evidence": "The article metadata probe found no JSON-LD and no Open Graph properties.", "pathIds": [ "home" ], "artifacts": [ "evidence/article-probe.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "pass", "confidence": "high", "method": "Headers, cookies, trackers, secrets and HAR inspection", "evidence": "HTTPS, HSTS, CSP, nosniff, X-Frame-Options DENY and Secure/Lax first-party cookies were directly observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json", "evidence/trackers.json" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "pass", "confidence": "high", "method": "Headers, cookies, trackers, secrets and HAR inspection", "evidence": "Tracker scan found no known trackers, cookies found no third-party cookies, and the secrets scan found no credentials.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json", "evidence/trackers.json" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "not-applicable", "confidence": "high", "method": "Headers, cookies, trackers, secrets and HAR inspection", "evidence": "The public help-center paths request no browser permission and contain no authentication flow.", "reason": "The public help-center paths request no browser permission and contain no authentication flow." }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Headers, cookies, trackers, secrets and HAR inspection", "evidence": "Headers show HSTS, nosniff, X-Frame-Options DENY and a nonce-based script policy, but Referrer-Policy is missing and style-src contains unsafe-inline.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "Discoverability no-JS comparison and explicit error-route walkthrough", "evidence": "Discoverability reports isJsShell:true with only 6% raw/rendered word coverage on home and 3% on the article; crawler screenshots are blank while rendered screenshots contain the content.", "pathIds": [ "home" ], "artifacts": [ "evidence/discoverability-home.json", "evidence/discoverability-home-crawler.png", "evidence/discoverability-article.json", "evidence/discoverability-article-crawler.png" ], "findingIds": [ "F17" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "Discoverability no-JS comparison and explicit error-route walkthrough", "evidence": "Home, category, article, search and error templates loaded without console errors or clipped horizontal overflow in their CSS layout viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/discoverability-home.json", "evidence/discoverability-article.json", "evidence/search-mobile.png" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Discoverability no-JS comparison and explicit error-route walkthrough", "evidence": "This public content/reference site is not an installed app; offline installability is contextual and was judged outside its primary browse/search purpose.", "reason": "This public content/reference site is not an installed app; offline installability is contextual and was judged outside its primary browse/search purpose." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "Discoverability no-JS comparison and explicit error-route walkthrough", "evidence": "A nonexistent path redirects to a clear error page with three recovery actions rather than a blank shell.", "pathIds": [ "home" ], "artifacts": [ "evidence/discoverability-home.json", "evidence/discoverability-article.json", "evidence/search-mobile.png" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "high", "method": "lang/dir, CSS logical-properties and locale-content probes", "evidence": "The article reports html lang=en and dir=ltr; the stylesheet includes 4,289 logical-property rules and the language selector is exposed.", "pathIds": [ "home" ], "artifacts": [ "evidence/i18n-probe.json", "evidence/article-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "not-applicable", "confidence": "high", "method": "lang/dir, CSS logical-properties and locale-content probes", "evidence": "The sampled English help templates render no dates, currencies, durations or locale-sensitive numeric data.", "reason": "The sampled English help templates render no dates, currencies, durations or locale-sensitive numeric data." }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "lang/dir, CSS logical-properties and locale-content probes", "evidence": "The sampled help templates contain no time or event scheduling data.", "reason": "The sampled help templates contain no time or event scheduling data." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "Search/error-flow walkthrough and form/input DOM inspection", "evidence": "No ads, consent wall, upsell, forced continuity or disguised action appeared in the sampled home/search/article/error journey.", "pathIds": [ "home" ], "artifacts": [ "evidence/search-mobile.png", "evidence/error-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "not-applicable", "confidence": "high", "method": "Search/error-flow walkthrough and form/input DOM inspection", "evidence": "The sampled public surface has search but no submitted data form with invalid/required-field states.", "reason": "The sampled public surface has search but no submitted data form with invalid/required-field states." }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "not-applicable", "confidence": "high", "method": "Search/error-flow walkthrough and form/input DOM inspection", "evidence": "The only input is article search; address, payment, sign-in and sign-up autofill do not apply.", "reason": "The only input is article search; address, payment, sign-in and sign-up autofill do not apply." }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "not-applicable", "confidence": "high", "method": "Search/error-flow walkthrough and form/input DOM inspection", "evidence": "No checkout, subscription, authentication or account-management transaction is present in the public help-center paths.", "reason": "No checkout, subscription, authentication or account-management transaction is present in the public help-center paths." }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "HAR, Lighthouse byte/code coverage, images and trace inspection", "evidence": "The image audit reports 8 of 16 images over 2x display width, 15 below-fold images without lazy loading and one legacy PNG.", "pathIds": [ "home" ], "artifacts": [ "evidence/images-article.json" ], "findingIds": [ "F18" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "HAR, Lighthouse byte/code coverage, images and trace inspection", "evidence": "The 3.15 MB load is 2.52 MB JavaScript; Lighthouse estimates about 1.9 MB of that JavaScript and 306 KiB CSS are unused.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-summary.json" ], "findingIds": [ "F19" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "HAR, Lighthouse byte/code coverage, images and trace inspection", "evidence": "The 3.15 MB load is 2.52 MB JavaScript; Lighthouse estimates about 1.9 MB of that JavaScript and 306 KiB CSS are unused.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-summary.json" ], "findingIds": [ "F19" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "Discoverability and agent-facing capability inspection", "evidence": "The sampled surface offers browsable help content, not an agent-executable transaction or tool capability.", "reason": "The sampled surface offers browsable help content, not an agent-executable transaction or tool capability." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Discoverability and agent-facing capability inspection", "evidence": "No summarisation/generation interaction is offered; adding inference is not necessary to complete browse or search tasks.", "reason": "No summarisation/generation interaction is offered; adding inference is not necessary to complete browse or search tasks." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "medium", "method": "Baseline and post-10-toggle heap summaries", "evidence": "Ten representative category toggles increased total heap self size by about 2.6% between fresh baseline/post captures, not unbounded growth; confidence is limited by cross-session snapshots.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-interaction.heapsnapshot" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "high", "method": "Baseline and post-10-toggle heap summaries", "evidence": "The baseline heap summary contains 1,048,981 nodes and 55,025,709 bytes self size; after ten representative navigation toggles the fresh-run snapshot is 56,444,423 bytes.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-interaction.heapsnapshot" ], "findingIds": [ "F20" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "Baseline and post-10-toggle heap summaries", "evidence": "No Detached* constructor appeared among top retained constructors, and ten toggles did not produce runaway total growth.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-interaction.heapsnapshot" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F1" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "pass" }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "pass" }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F3" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F2", "F5" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "pass" }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F6", "F7", "F8" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F4", "F5", "F9", "F10" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F11", "F12" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F13", "F14", "F15" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F16" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F17" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "pass" }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F18", "F19" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "All checks were judged contextual and not applicable to this public help-center surface." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F20" ] } ], "paths": [ { "id": "home", "description": "Homepage/index and primary search entry; represents the global shell and topic listing.", "url": "https://faq.whatsapp.com/", "conditions": [ "desktop", "viewport: 360x800", "prefers-color-scheme: dark", "prefers-contrast: more", "prefers-reduced-motion: reduce", "keyboard focus" ], "result": "issues" }, { "id": "category", "description": "Get Started category/detail template; represents topic landing pages.", "url": "https://faq.whatsapp.com/497209988909970/", "conditions": [ "viewport: 360x800" ], "result": "issues" }, { "id": "article", "description": "How to make a video call; represents long instructional articles with platform tabs and inline media.", "url": "https://faq.whatsapp.com/1862285217468140/", "conditions": [ "desktop", "viewport: 360x800", "JavaScript-disabled crawler" ], "result": "issues" }, { "id": "search", "description": "Backup query; represents the primary find-an-answer flow and result listing.", "url": "https://faq.whatsapp.com/search/?query=backup", "conditions": [ "viewport: 360x800" ], "result": "issues" }, { "id": "error", "description": "Generic error route reached by missing assets/pages; represents recovery from HTTP/navigation failure.", "url": "https://faq.whatsapp.com/error/?locale=en_US", "conditions": [ "viewport: 360x800" ], "result": "pass" } ], "findings": [ { "id": "F1", "severity": "medium", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "summary": "The help center ignores the user’s dark color-scheme preference.", "evidence": "The dark-mode capture is pixel-equivalent to the light capture; the probe reports colorScheme \"normal\" and the same light rgb(240, 242, 245) body background.", "artifacts": [ "evidence/home-mobile-dark.png", "evidence/home-probe.json" ], "suggestedFix": "Declare color-scheme: light dark and provide preference-driven surface, text, border and icon colors with prefers-color-scheme or light-dark().", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F2", "severity": "critical", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "guidanceCategory": "css", "summary": "Mobile browsers receive a desktop 980 CSS-pixel layout scaled down to 360 device pixels.", "evidence": "At a 360x800 device viewport, layout reports hasViewportMeta:false, innerWidth:980 and scale:0.367. Screenshots show the permanent desktop sidebar and very small content.", "artifacts": [ "evidence/layout-mobile.json", "evidence/home-mobile.png", "evidence/article-mobile.png" ], "suggestedFix": "Add a standard width=device-width, initial-scale=1 viewport declaration, then reflow to a single-column layout and collapse the sidebar into an accessible navigation drawer.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F3", "severity": "medium", "principleId": "maximize-content-reduce-noise", "principleCheckId": "reduced-chrome", "guidanceId": "navigation-drawer", "guidanceCategory": "user-experience", "summary": "Persistent navigation chrome consumes a disproportionate share of the small-screen layout.", "evidence": "On article and category mobile captures, the always-visible left navigation occupies about 110 of 360 physical pixels before the content column.", "artifacts": [ "evidence/article-mobile.png", "evidence/category-mobile.png" ], "suggestedFix": "Use a compact header and dismissible, focus-managed navigation drawer below the mobile breakpoint so article content gets the viewport.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F4", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "The rendered accessibility structure contains malformed ARIA/list relationships.", "evidence": "Lighthouse reports aria-required-children, list and listitem failures, and an agent accessibility-tree failure. The DOM also exposes core navigation controls as DIV role=button.", "artifacts": [ "evidence/lighthouse-failures.json", "evidence/home-probe.json" ], "suggestedFix": "Replace simulated controls with native buttons and repair list ownership so every list has only valid li children and required ARIA descendants.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F5", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Keyboard focus is programmatically reachable but has no visible focus indicator.", "evidence": "The focus probe focused the Help Center link, language control, all sidebar buttons, search input and article links; every sampled element reported outline:none and boxShadow:none.", "artifacts": [ "evidence/focus-probe.json" ], "suggestedFix": "Add a high-contrast :focus-visible indicator with sufficient offset for every interactive control and verify a complete keyboard focus walk.", "effort": "small", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F6", "severity": "high", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "performance", "summary": "Cold-load paint performance is far outside the good Core Web Vitals range.", "evidence": "Mobile Lighthouse measured FCP 13.2s and LCP 17.5s (performance 0.55). A separate trace measured FCP/LCP 2.25s, showing network variability but corroborating that the page is delivery-bound rather than main-thread-bound.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Profile LCP discovery and prioritize only the critical content path; remove noncritical page shell code and defer below-the-fold work.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F7", "severity": "high", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-image-priority", "guidanceCategory": "performance", "summary": "The page ships a long critical delivery chain and multi-megabyte payload for a simple help index.", "evidence": "HAR records 41 requests and 3,150,112 transferred bytes, including two VeryHigh parser-inserted stylesheets. Lighthouse reports render-blocking savings of 1.35s and a 3,063 KiB payload.", "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse-failures.json" ], "suggestedFix": "Inline or isolate minimal critical CSS, split route-specific assets, preload only the actual LCP resource, and defer noncritical styles/scripts.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F8", "severity": "high", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "defer-rendering-heavy-content", "guidanceCategory": "performance", "summary": "Most shipped CSS and JavaScript is unused on the help-center homepage.", "evidence": "Lighthouse estimates 1,906 KiB unused JavaScript and 306 KiB unused CSS; many individual bundles are over 90% unused.", "artifacts": [ "evidence/lighthouse-summary.json" ], "suggestedFix": "Create a help-center-specific entry point, split by route/feature, and conditionally load search, feedback, and article-only code.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F9", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "legible-text", "guidanceId": "improve-text-layout-and-legibility", "guidanceCategory": "css", "summary": "Text is physically too small to read comfortably on mobile.", "evidence": "The page computes 12px body text inside a 980px layout that Chrome scales to 0.367, producing roughly 4.4 physical-pixel text in the mobile captures.", "artifacts": [ "evidence/home-probe.json", "evidence/search-mobile.png" ], "suggestedFix": "Fix viewport/reflow first, then use readable rem-based type and line-height with fluid scaling and a comfortable article measure.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F10", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "fluid-scaling", "guidanceCategory": "css", "summary": "The missing viewport declaration defeats mobile reflow and makes apparent target sizes misleading.", "evidence": "The mobile layout primitive reports hasViewportMeta:false and Chrome emulates a 980px layout scaled down. Lighthouse separately fails meta-viewport.", "artifacts": [ "evidence/layout-mobile.json", "evidence/lighthouse-failures.json" ], "suggestedFix": "Add a zoom-permissive viewport declaration and retest at 320 CSS px, 200% zoom, touch and keyboard conditions.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F11", "severity": "medium", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "guidanceCategory": "html", "summary": "Document encoding and image sizing hygiene are incomplete.", "evidence": "Lighthouse reports a missing/late charset. The article image audit finds all 16 images missing at least one explicit dimension, 15 below-fold images not lazy-loaded and one missing alt.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/images-article.json" ], "suggestedFix": "Declare UTF-8 in the first 1024 bytes, set intrinsic width/height or aspect-ratio, lazy-load below-fold images, and supply meaningful or empty alt text.", "effort": "small", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F12", "severity": "medium", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "html", "summary": "The page uses deprecated APIs and is not eligible for back/forward cache.", "evidence": "Lighthouse reports one deprecated-API warning and four BFCache failure reasons.", "artifacts": [ "evidence/lighthouse-failures.json" ], "suggestedFix": "Inspect the Lighthouse audit details, replace the deprecated API, and remove avoidable unload/state blockers so article back-navigation restores instantly.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F13", "severity": "medium", "principleId": "be-discoverable", "principleCheckId": "title-and-description", "guidanceId": "html", "guidanceCategory": "html", "summary": "Article pages lack a page-specific meta description.", "evidence": "The sampled article has a descriptive title but article-probe reports description:null.", "artifacts": [ "evidence/article-probe.json" ], "suggestedFix": "Server-render a concise, unique meta description derived from each article summary.", "effort": "small", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F14", "severity": "high", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "html", "summary": "Crawler and mobile indexing signals are broken or incomplete.", "evidence": "robots.txt and sitemap.xml redirect to the generic error route; Lighthouse reports robots.txt invalid with 73 errors, and the page has no viewport meta.", "artifacts": [ "evidence/lighthouse-failures.json", "evidence/layout-mobile.json" ], "suggestedFix": "Serve valid text/plain robots.txt and an XML sitemap with 200 responses, and add the standard viewport declaration.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F15", "severity": "medium", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "guidanceCategory": "html", "summary": "Help articles expose no structured data or social preview metadata.", "evidence": "The article metadata probe found no JSON-LD and no Open Graph properties.", "artifacts": [ "evidence/article-probe.json" ], "suggestedFix": "Add accurate Article/TechArticle JSON-LD and Open Graph/Twitter metadata matching the visible title, summary, canonical URL and media.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F16", "severity": "medium", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "summary": "The otherwise strong security-header set omits Referrer-Policy and allows inline styles.", "evidence": "Headers show HSTS, nosniff, X-Frame-Options DENY and a nonce-based script policy, but Referrer-Policy is missing and style-src contains unsafe-inline.", "artifacts": [ "evidence/headers.json" ], "suggestedFix": "Set a deliberate Referrer-Policy such as strict-origin-when-cross-origin and migrate inline styles toward nonces/hashes or constrained style sources.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F17", "severity": "high", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "defer-rendering-heavy-content", "guidanceCategory": "performance", "summary": "Core help content disappears when JavaScript is unavailable.", "evidence": "Discoverability reports isJsShell:true with only 6% raw/rendered word coverage on home and 3% on the article; crawler screenshots are blank while rendered screenshots contain the content.", "artifacts": [ "evidence/discoverability-home.json", "evidence/discoverability-home-crawler.png", "evidence/discoverability-article.json", "evidence/discoverability-article-crawler.png" ], "suggestedFix": "Server-render article/index content and real links, then hydrate search, navigation and feedback as enhancements.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F18", "severity": "medium", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "optimize-image-priority", "guidanceCategory": "performance", "summary": "Article imagery is routinely oversized and eagerly loaded.", "evidence": "The image audit reports 8 of 16 images over 2x display width, 15 below-fold images without lazy loading and one legacy PNG.", "artifacts": [ "evidence/images-article.json" ], "suggestedFix": "Serve correctly sized responsive sources, retain modern formats, set intrinsic dimensions and lazy-load below-fold instructional images.", "effort": "medium", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F19", "severity": "high", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "defer-rendering-heavy-content", "guidanceCategory": "performance", "summary": "The resource footprint is disproportionate to a mostly text-and-links help page.", "evidence": "The 3.15 MB load is 2.52 MB JavaScript; Lighthouse estimates about 1.9 MB of that JavaScript and 306 KiB CSS are unused.", "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-summary.json" ], "suggestedFix": "Budget the help shell independently, remove shared product code, and load route capabilities only when requested.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" }, { "id": "F20", "severity": "medium", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "performance", "guidanceCategory": "performance", "summary": "The initial heap footprint is large for a static help index.", "evidence": "The baseline heap summary contains 1,048,981 nodes and 55,025,709 bytes self size; after ten representative navigation toggles the fresh-run snapshot is 56,444,423 bytes.", "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-interaction.heapsnapshot" ], "suggestedFix": "Reduce the shared client runtime and DOM/state graph; profile retained objects after route-specific code splitting.", "effort": "large", "confidence": "high", "pathId": "home", "url": "https://faq.whatsapp.com" } ], "taskList": [ { "id": "T1", "title": "Restore true mobile layout and visible focus", "priority": 1, "findingIds": [ "F2", "F3", "F5", "F9", "F10" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T2", "title": "Server-render core help content and crawler assets", "priority": 2, "findingIds": [ "F13", "F14", "F15", "F17" ], "guidanceId": "html", "status": "open" }, { "id": "T3", "title": "Ship a help-center-specific critical bundle", "priority": 3, "findingIds": [ "F6", "F7", "F8", "F19", "F20" ], "guidanceId": "defer-rendering-heavy-content", "status": "open" }, { "id": "T4", "title": "Repair semantic control and list structure", "priority": 4, "findingIds": [ "F4" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T5", "title": "Add preference-driven dark styling", "priority": 5, "findingIds": [ "F1" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T6", "title": "Fix document and image hygiene", "priority": 6, "findingIds": [ "F11", "F18" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T7", "title": "Complete browser policy and platform hygiene", "priority": 7, "findingIds": [ "F12", "F16" ], "guidanceId": "security", "status": "open" } ], "budget": { "pathCount": 5, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-20T22-36-46-287Z" }