{ "url": "https://t.me", "auditedAt": "2026-07-18T05:21:10.852Z", "mode": "report", "status": "completed", "statusDetail": "The requested URL redirects to https://telegram.org/. Audit covers the destination public-site templates. Atomic coverage complete: 58/58 checks judged.", "page": { "appType": "mpa", "framework": "server-rendered static/MPA", "notes": "t.me redirects to telegram.org. Representative public information, download, safety, FAQ, and developer API templates were audited." }, "evidenceUsed": [ "screenshot", "video", "dom+css", "layout-metrics", "evaluate-probe", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "lighthouse", "axe-core", "HTTP fetch", "Modern Web Guidance 0.0.172" ], "guidanceConsulted": [ "accessibility", "accessible-error-announcement", "adapt-scrollbar-to-contrast-preferences", "agentic-forms", "agentic-javascript-tools", "anchor-positioning-tab-underline", "animate-element-entry-exit", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "animated-select-picker", "apply-webgl-shaders", "autofill-address-form", "autofill-highlight-inputs", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "batch-analytics-events", "brand-consistent-forms", "branded-select-styling", "break-up-long-tasks", "calculate-event-differentials", "calculate-total-foreground-time", "calculate-with-intrinsic-sizes", "capture-location-agnostic-data", "carousel-slide-effects", "carousel-snap-highlights", "child-state-based-styling", "complex-shapes", "component-specific-light-dark-theme", "conditional-async-dependencies", "consistent-cross-document-transitions", "content-based-styling", "coordinate-global-events", "cross-document-transitions", "css-layout", "css", "custom-select-picker-layouts", "customize-scrollbar-color-and-thickness", "dark-mode", "declarative-dialog-popover-control", "defer-rendering-heavy-content", "defer-work-until-scroll-ends", "deliver-optimized-decorative-images", "deprioritize-background-fetches", "design-token-reactivity", "detect-initial-visibility-state", "directional-navigation-transitions", "dynamic-sibling-animations", "dynamic-sibling-styling", "efficient-background-processing", "export-html-media-from-canvas", "expose-canvas-content-to-browser-features", "faster-spa-view-transitions", "flicker-free-client-side-ab-testing", "fluid-scaling", "form-fields-automatically-fit-contents", "format-human-readable-durations", "forms", "full-session-analytics", "group-element-transitions", "highlight-text-ranges", "html", "identify-heavy-scripts", "identify-inp-causes", "improve-next-page-load-performance", "improve-text-layout-and-legibility", "individual-transform-properties", "interactions-in-complex-layouts", "interactive-content-in-3d-scenes", "interactive-content-reveal", "interest-triggered-action-previews", "interest-triggered-tooltips", "language-detection", "language-model", "light-dismiss-a-dialog", "manage-recurring-intervals", "model-partial-time-concepts", "move-dom-element-without-losing-state", "navigation-drawer", "optimize-image-priority", "optimize-preload-priority", "optimize-script-priority", "overflow-clipping-control", "parallax-scroll-effects", "passkey-authentication", "passkey-conditional-create", "passkey-management", "passkey-reauthentication", "passkey-registration", "passkeys", "performance", "persistent-app-tours", "persistent-toast-notifications", "persistent-top-layer-ui", "physics-based-easing", "platform-controls-dismiss-dialog", "position-aware-tooltips", "precise-text-alignment", "prevent-text-wrapping", "privacy", "pull-to-reveal", "reduce-style-repetition", "required-field-feedback", "resilient-context-menus-and-nested-dropdowns", "resolution-optimized-pseudo-elements", "rich-media-picker", "same-document-transitions", "schedule-tasks-by-priority", "scroll-entry-exit-effects", "scroll-position-aware-elements", "scroll-progress-indicator", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "scrollability-affordance-hints", "scrollytelling", "search-hidden-content", "security", "select-menu-interaction", "sequence-distributed-events", "shaped-cutouts", "shrinking-header-on-scroll", "size-aware-styling", "soft-edge-content-fade", "stabilize-reactive-state", "stack-drill-down", "style-parent-with-has", "summarizer", "support-global-calendar-systems", "swipe-to-remove", "translator", "validate-input-after-interaction", "visually-stable-font-fallbacks", "visually-stable-mixed-fonts", "visually-texture-content", "webmcp" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "Home at 1440x900", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "Home at 360x800", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "Home under dark preference", "findingIds": [ "F-001" ] }, { "type": "screenshot", "path": "evidence/home-high-contrast.png", "caption": "Home under higher contrast preference", "findingIds": [ "F-003" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "Rendered Home DOM and CSS", "findingIds": [ "F-001", "F-012" ] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "Home mobile layout metrics", "findingIds": [] }, { "type": "other", "path": "evidence/home-probe.json", "caption": "Preference, animation, feature, metadata and navigation probe", "findingIds": [ "F-002" ] }, { "type": "video", "path": "evidence/home-to-faq.mp4", "caption": "Home to FAQ navigation transition", "findingIds": [ "F-004" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "DevTools performance trace", "findingIds": [] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "Compact trace timing and long-task summary", "findingIds": [ "F-007", "F-008" ] }, { "type": "har", "path": "evidence/home.har", "caption": "Network capture", "findingIds": [] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "Compact network weight and dependency summary", "findingIds": [ "F-009", "F-020", "F-021" ] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "Raw HTML versus rendered content analysis", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "Rendered crawler comparison", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "No-JS crawler comparison", "findingIds": [] }, { "type": "other", "path": "evidence/home-headers.json", "caption": "Security headers", "findingIds": [ "F-016", "F-017" ] }, { "type": "other", "path": "evidence/home-cookies.json", "caption": "Cookie posture", "findingIds": [ "F-016" ] }, { "type": "other", "path": "evidence/home-trackers.json", "caption": "Third-party/tracker origins", "findingIds": [] }, { "type": "other", "path": "evidence/home-secrets.json", "caption": "Client-visible secret scan", "findingIds": [] }, { "type": "other", "path": "evidence/home-images.json", "caption": "Image sizing, loading, format and alt audit", "findingIds": [ "F-010", "F-013", "F-020" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-home.json", "caption": "Lighthouse report", "findingIds": [ "F-007", "F-009", "F-014" ] }, { "type": "other", "path": "evidence/axe-home.json", "caption": "axe-core accessibility results", "findingIds": [ "F-003", "F-010", "F-011", "F-012", "F-019" ] }, { "type": "screenshot", "path": "evidence/faq-desktop.png", "caption": "FAQ desktop", "findingIds": [ "F-005" ] }, { "type": "dom", "path": "evidence/faq-dom.json", "caption": "FAQ DOM/CSS", "findingIds": [] }, { "type": "layout", "path": "evidence/faq-mobile-layout.json", "caption": "FAQ mobile layout metrics", "findingIds": [ "F-005" ] }, { "type": "screenshot", "path": "evidence/apps-mobile.png", "caption": "Apps mobile", "findingIds": [] }, { "type": "dom", "path": "evidence/apps-dom.json", "caption": "Apps DOM/CSS", "findingIds": [] }, { "type": "screenshot", "path": "evidence/safety-desktop.png", "caption": "Safety desktop", "findingIds": [] }, { "type": "screenshot", "path": "evidence/safety-mobile.png", "caption": "Safety at requested 360x800", "findingIds": [ "F-006" ] }, { "type": "layout", "path": "evidence/safety-mobile-layout.json", "caption": "Safety mobile overflow metrics", "findingIds": [ "F-006" ] }, { "type": "dom", "path": "evidence/safety-dom.json", "caption": "Safety DOM/CSS", "findingIds": [] }, { "type": "screenshot", "path": "evidence/api-desktop.png", "caption": "API documentation desktop", "findingIds": [] }, { "type": "dom", "path": "evidence/api-dom.json", "caption": "API DOM/CSS", "findingIds": [] }, { "type": "screenshot", "path": "evidence/not-found.png", "caption": "Nonexistent route rendering the homepage", "findingIds": [ "F-015", "F-018" ] }, { "type": "other", "path": "evidence/metadata-probe.json", "caption": "Metadata across five templates", "findingIds": [ "F-014", "F-015", "F-019" ] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots.txt 404 body", "findingIds": [ "F-015" ] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "sitemap.xml 404 body", "findingIds": [ "F-015" ] }, { "type": "other", "path": "evidence/t-me-redirect-headers.txt", "caption": "t.me redirect and destination headers", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-baseline.json", "caption": "Baseline heap summary", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-post-toggle.json", "caption": "Heap after ten theme toggles", "findingIds": [] }, { "type": "other", "path": "evidence/memory-metrics.json", "caption": "In-page repeated-toggle memory metrics", "findingIds": [] }, { "type": "other", "path": "evidence/interaction-probe.json", "caption": "Touch target, focus and CSS probe", "findingIds": [] }, { "type": "other", "path": "evidence/guidance/guidance-consulted.json", "caption": "Pinned MWG retrieval and search record", "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": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Dark emulation matches true, but home-dark.png is visually identical to the light capture; computed body remains rgb(255,255,255) and color-scheme is normal.", "findingIds": [ "F-001" ], "artifacts": [ "evidence/home-dark.png", "evidence/home-dom.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Under prefers-reduced-motion: reduce, getAnimations() still reports the non-essential 500ms t-logo-play animation.", "findingIds": [ "F-002" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "issues", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "The prefers-contrast: more screenshot is unchanged, while axe measures the main #0088cc links at only 3.89:1 on white.", "findingIds": [ "F-003" ], "artifacts": [ "evidence/home-high-contrast.png", "evidence/axe-home.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "The navigation video records a direct cross-document swap from Home to FAQ; DOM/CSS has no view-transition declarations.", "findingIds": [ "F-004" ], "artifacts": [ "evidence/home-to-faq.mp4" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "Recon applicability review", "evidence": "No scroll-linked animation exists on the representative pages, so there is no implementation to place on a scroll timeline.", "reason": "No scroll-linked animation exists on the representative pages, so there is no implementation to place on a scroll timeline." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "DOM/CSS inspection found ordinary links and native scrolling, with no custom pointermove, swipe, pull-to-refresh, or gesture interception fighting platform behaviour.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Long FAQ (about 53,068px mobile content height) and Safety pages retain static header chrome with no progress, shrinking, or scroll-state response.", "findingIds": [ "F-005" ], "artifacts": [ "evidence/faq-desktop.png", "evidence/faq-mobile-layout.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Recon applicability review", "evidence": "No tooltip, popover, or floating menu is exposed on the audited public pages.", "reason": "No tooltip, popover, or floating menu is exposed on the audited public pages." }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Screenshots show an active blue underline in the global navigation; FAQ in-page links use real fragment targets, preserving location and orientation.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Desktop and mobile load screenshots show content immediately with no modal, consent wall, interstitial, or obscuring banner.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "not-applicable", "confidence": "high", "method": "Recon applicability review", "evidence": "No overlay, modal flow, disclosure widget, or rich picker is present on these static public pages.", "reason": "No overlay, modal flow, disclosure widget, or rich picker is present on these static public pages." }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Across home, FAQ, Apps, Safety, and API screenshots, a single compact header leaves the viewport primarily to content.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "At a requested 360px viewport, Safety reports a 450px layout viewport and 90px horizontal overflow, forcing browser scale-down rather than true 360px reflow.", "findingIds": [ "F-006" ], "artifacts": [ "evidence/safety-mobile.png", "evidence/safety-mobile-layout.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "pass", "confidence": "medium", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Mobile and desktop screenshots show the reused global header and content columns adapting via responsive CSS; no component is reused in conflicting container sizes that requires a container query.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Lighthouse target-size passed, viewport scaling is allowed, the theme button retains a browser focus outline, and primary header links occupy the 48px header hit area.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "The first viewport names Telegram, presents platform download choices, and uses direct labels such as “Telegram for Android” and “Telegram for iPhone / iPad”.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "The home and Apps paths expose direct platform-specific download links without account walls, modals, or hidden prerequisites.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "The static download and documentation journeys use normal links and browser history, with no loading shell or partial state on the exercised successful paths.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Lighthouse, trace summary, layout observer, and HAR summary", "evidence": "Cold Lighthouse reports LCP 4.7s (score 0.33), outside the good <=2.5s Core Web Vitals threshold, although CLS is 0.", "findingIds": [ "F-007" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Lighthouse, trace summary, layout observer, and HAR summary", "evidence": "Layout observers reported CLS 0 on Home, FAQ, and Safety, with no observed shifts during the capture windows.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "issues", "confidence": "high", "method": "Lighthouse, trace summary, layout observer, and HAR summary", "evidence": "The DevTools trace records one 194.12ms main-thread task and 144.12ms total blocking time on the simple landing page.", "findingIds": [ "F-008" ], "artifacts": [ "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Lighthouse, trace summary, layout observer, and HAR summary", "evidence": "HAR confirms three parser-inserted render-blocking stylesheets and three classic scripts without async/defer; Lighthouse also estimates 26 KiB unused CSS and cold LCP is 4.7s.", "findingIds": [ "F-009" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-home.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Lighthouse, trace summary, layout observer, and HAR summary", "evidence": "HAR confirms three parser-inserted render-blocking stylesheets and three classic scripts without async/defer; Lighthouse also estimates 26 KiB unused CSS and cold LCP is 4.7s.", "findingIds": [ "F-009" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-home.json" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "axe-core, Lighthouse accessibility, DOM, and responsive screenshots", "evidence": "axe reports two images without alt text, the logo home link without an accessible name, and the Images primitive confirms two missing alt attributes.", "findingIds": [ "F-010" ], "artifacts": [ "evidence/axe-home.json", "evidence/home-images.json" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "axe-core, Lighthouse accessibility, DOM, and responsive screenshots", "evidence": "axe reports serious color-contrast failures: the shared #0088cc link color is 3.89:1 on white across navigation and news links.", "findingIds": [ "F-011" ], "artifacts": [ "evidence/axe-home.json" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "axe-core, Lighthouse accessibility, DOM, and responsive screenshots", "evidence": "axe reports no main landmark, no H1 on Home, invalid heading order, broad content outside landmarks, and an empty heading.", "findingIds": [ "F-012" ], "artifacts": [ "evidence/axe-home.json", "evidence/home-dom.json" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "axe-core, Lighthouse accessibility, DOM, and responsive screenshots", "evidence": "Visual review across four templates found readable line lengths, clear heading/body hierarchy, and no clipping in ordinary desktop and mobile states.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "axe-core, Lighthouse accessibility, DOM, and responsive screenshots", "evidence": "At a requested 360px viewport, Safety reports a 450px layout viewport and 90px horizontal overflow, forcing browser scale-down rather than true 360px reflow.", "findingIds": [ "F-006" ], "artifacts": [ "evidence/safety-mobile.png", "evidence/safety-mobile-layout.json" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Lighthouse errors-in-console passed and no uncaught runtime exception appeared during CDP evidence collection.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Images primitive reports both sampled below-fold news images omit width and height attributes (and loading/srcset).", "findingIds": [ "F-013" ], "artifacts": [ "evidence/home-images.json" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Lighthouse best-practices scored 1.00, BFCache passed, and no permission prompt, paste prevention, or deprecation surfaced during recon.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "issues", "confidence": "high", "method": "Raw HTML metadata probe, discoverability capture, and HTTP fetch", "evidence": "Metadata probe finds a descriptive title but no meta description on Home, FAQ, Apps, Safety, or API; Lighthouse meta-description fails.", "findingIds": [ "F-014" ], "artifacts": [ "evidence/metadata-probe.json", "evidence/lighthouse-home.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "pass", "confidence": "high", "method": "Raw HTML metadata probe, discoverability capture, and HTTP fetch", "evidence": "All sampled navigation/content links have real href values, viewport metadata is present, raw HTML contains the content, and no robots noindex directive blocks crawling.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "issues", "confidence": "high", "method": "Raw HTML metadata probe, discoverability capture, and HTTP fetch", "evidence": "robots.txt and sitemap.xml return 404, sampled pages have no canonical, and an invented URL returns HTTP 200 with the homepage, creating a soft-404 indexing signal.", "findingIds": [ "F-015" ], "artifacts": [ "evidence/metadata-probe.json", "evidence/robots.txt", "evidence/sitemap.xml", "evidence/not-found.png" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "pass", "confidence": "high", "method": "Raw HTML metadata probe, discoverability capture, and HTTP fetch", "evidence": "All five sampled templates include Open Graph metadata matching their visible Telegram content; none is a product, event, or article detail requiring richer schema for the audited task.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Headers, cookies, trackers, secrets, and HAR inspection", "evidence": "Headers primitive finds HTTPS and HSTS, but no Content-Security-Policy and no X-Content-Type-Options; the short-lived cookie is Secure and HttpOnly.", "findingIds": [ "F-016" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.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 capture found no known trackers, cookies found no third-party cookie, secrets found no exposed credential, and the HAR contains only the t.me to telegram.org first-party organisational redirect.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "not-applicable", "confidence": "high", "method": "Recon applicability review", "evidence": "The audited public information and download pages request no browser permissions and expose no authentication flow.", "reason": "The audited public information and download pages request no browser permissions and expose 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 primitive finds no Referrer-Policy or Permissions-Policy; X-Frame-Options and HSTS are present.", "findingIds": [ "F-017" ], "artifacts": [ "evidence/home-headers.json" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "Discoverability measured 100% raw-HTML content coverage with no JS shell; browser and crawler views both contain the core page.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "The sampled static routes use native links and no overlays; no clipped menu, async shell, or unstable reactive state appeared in screenshots or DOM evidence.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Recon applicability review", "evidence": "The audited surface is a brochure/documentation site linking to native and web apps, not an installable app itself; offline installability is not required for this surface.", "reason": "The audited surface is a brochure/documentation site linking to native and web apps, not an installable app itself; offline installability is not required for this surface." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "issues", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "A clearly nonexistent path returns HTTP 200 and silently renders the homepage instead of an explicit not-found state with recovery guidance.", "findingIds": [ "F-018" ], "artifacts": [ "evidence/not-found.png" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "issues", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "All five sampled documents omit html lang (axe serious), and the root computed direction metadata is also undeclared despite offering 19 languages.", "findingIds": [ "F-019" ], "artifacts": [ "evidence/axe-home.json", "evidence/metadata-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "medium", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "The language selector exposes 19 locales; a German cookie response localised navigation and the visible date from “Jul 14” to “14. Jul”.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Recon applicability review", "evidence": "The representative pages do not coordinate events, appointments, deadlines, or user-entered times across time zones.", "reason": "The representative pages do not coordinate events, appointments, deadlines, or user-entered times across time zones." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "No consent wall, forced continuity, disguised ad, nagging prompt, pricing, or destructive action appears on any sampled public page.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "not-applicable", "confidence": "high", "method": "Recon applicability review", "evidence": "No form is present on the audited public pages.", "reason": "No form is present on the audited public pages." }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "not-applicable", "confidence": "high", "method": "Recon applicability review", "evidence": "No editable input or account/payment form is present on the audited public pages.", "reason": "No editable input or account/payment form is present on the audited public pages." }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "not-applicable", "confidence": "high", "method": "Recon applicability review", "evidence": "No checkout, subscription, consent, sign-in, or account-management flow is exposed on the audited pages.", "reason": "No checkout, subscription, consent, sign-in, or account-management flow is exposed on the audited pages." }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "HAR transfers 666,179 image bytes; the two 600px news images lack lazy loading and srcset, including one 324,389-byte below-fold image.", "findingIds": [ "F-020" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-images.json" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "pass", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "HAR and trace show a bounded initial load with no analytics beacons, recurring background fetches, or continuous idle processing.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "DOM/CSS/evaluate probes plus desktop/mobile screenshots", "evidence": "The simple landing page initiates six media requests plus 20 image requests and transfers 798,160 bytes before interaction; demo MP4 requests begin without user intent.", "findingIds": [ "F-021" ], "artifacts": [ "evidence/home-summary.json" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "Recon applicability review", "evidence": "This public marketing/documentation surface does not declare an agent-facing intent; emerging WebMCP capability is an opportunity, not an obligation.", "reason": "This public marketing/documentation surface does not declare an agent-facing intent; emerging WebMCP capability is an opportunity, not an obligation." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Recon applicability review", "evidence": "The pages contain no summarisation or generation workflow where on-device inference would improve the task.", "reason": "The pages contain no summarisation or generation workflow where on-device inference would improve the task." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "high", "method": "Heap summaries plus repeated-interaction memory probe", "evidence": "Ten repeated theme toggles left DOM nodes unchanged at 306 and reduced measured used JS heap by 701,845 bytes after settling.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "pass", "confidence": "high", "method": "Heap summaries plus repeated-interaction memory probe", "evidence": "The heap baseline is about 29.0 MB self size with 68,857 nodes in the snapshot graph, proportionate to the image-rich static landing page.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "Heap summaries plus repeated-interaction memory probe", "evidence": "After ten theme toggles, live DOM node count remained 306; the second heap summary showed only modest cross-process variance and no direct evidence of unbounded retention.", "pathIds": [ "home", "faq", "apps", "safety", "api" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F-001", "F-002", "F-003" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F-004" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F-005" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "pass" }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F-006" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "pass" }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F-007", "F-008", "F-009" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F-010", "F-011", "F-012", "F-006" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F-013" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F-014", "F-015" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F-016", "F-017" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F-018" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "issues", "findingIds": [ "F-019" ] }, { "principleId": "be-trustworthy", "expectation": "default", "status": "pass" }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F-020", "F-021" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "This public marketing/documentation surface does not declare an agent-facing intent; emerging WebMCP capability is an opportunity, not an obligation. The pages contain no summarisation or generation workflow where on-device inference would improve the task." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "home", "description": "Redirect destination and primary app-download landing page; covers global chrome, core action, preferences, performance, privacy, discoverability, and memory.", "url": "https://t.me", "conditions": [ "1440x900", "360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "prefers-contrast: more", "ten repeated theme toggles" ], "result": "issues" }, { "id": "faq", "description": "Long-form documentation archetype and in-page navigation.", "url": "https://telegram.org/faq", "conditions": [ "1440x900", "360x800" ], "result": "issues" }, { "id": "apps", "description": "Platform download listing and primary task continuation.", "url": "https://telegram.org/apps", "conditions": [ "360x800" ], "result": "pass" }, { "id": "safety", "description": "Data-heavy report/chart archetype and narrow-screen stress case.", "url": "https://telegram.org/safety", "conditions": [ "1440x900", "360x800" ], "result": "issues" }, { "id": "api", "description": "Developer documentation archetype on the linked core.telegram.org host.", "url": "https://core.telegram.org/api", "conditions": [ "1440x900" ], "result": "issues" }, { "id": "multi-template", "description": "Cross-template metadata, language, HTTP status, robots, sitemap, and canonical checks. Blog/article details, authenticated web apps, checkout, account flows, and native apps were not covered because they are distinct products or absent from this public site.", "url": "https://telegram.org/", "conditions": [ "raw HTTP", "no-JS crawler" ], "result": "issues" } ], "findings": [ { "id": "F-001", "pathId": "home", "url": "https://t.me", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Add system-driven dark mode", "evidence": "Dark emulation matches true, but home-dark.png is visually identical to the light capture; computed body remains rgb(255,255,255) and color-scheme is normal.", "artifacts": [ "evidence/home-dark.png", "evidence/home-dom.json" ], "suggestedFix": "Add color-scheme: light dark and retint surfaces with prefers-color-scheme or light-dark().", "effort": "small" }, { "id": "F-002", "pathId": "home", "url": "https://t.me", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Stop decorative logo motion when reduced motion is requested", "evidence": "Under prefers-reduced-motion: reduce, getAnimations() still reports the non-essential 500ms t-logo-play animation.", "artifacts": [ "evidence/home-probe.json" ], "suggestedFix": "Wrap decorative animation in no-preference and disable it under prefers-reduced-motion: reduce.", "effort": "small" }, { "id": "F-003", "pathId": "home", "url": "https://t.me", "principleId": "respect-user-preferences", "principleCheckId": "respects-contrast", "guidanceId": "adapt-scrollbar-to-contrast-preferences", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Adapt to higher contrast and fix low-contrast links", "evidence": "The prefers-contrast: more screenshot is unchanged, while axe measures the main #0088cc links at only 3.89:1 on white.", "artifacts": [ "evidence/home-high-contrast.png", "evidence/axe-home.json" ], "suggestedFix": "Use a darker link token meeting 4.5:1 and add prefers-contrast/forced-colors adjustments.", "effort": "small" }, { "id": "F-004", "pathId": "home", "url": "https://t.me", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "cross-document-transitions", "guidanceCategory": "user-experience", "severity": "low", "confidence": "high", "summary": "Route changes swap abruptly", "evidence": "The navigation video records a direct cross-document swap from Home to FAQ; DOM/CSS has no view-transition declarations.", "artifacts": [ "evidence/home-to-faq.mp4" ], "suggestedFix": "Add @view-transition { navigation: auto } and stable view-transition names, with reduced-motion handling.", "effort": "small" }, { "id": "F-005", "pathId": "home", "url": "https://t.me", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "scroll-progress-indicator", "guidanceCategory": "user-experience", "severity": "low", "confidence": "high", "summary": "Long documents provide no scroll-state guidance", "evidence": "Long FAQ (about 53,068px mobile content height) and Safety pages retain static header chrome with no progress, shrinking, or scroll-state response.", "artifacts": [ "evidence/faq-desktop.png", "evidence/faq-mobile-layout.json" ], "suggestedFix": "Add lightweight CSS scroll-state/progress feedback on long FAQ and Safety documents.", "effort": "medium" }, { "id": "F-006", "pathId": "safety", "url": "https://telegram.org/safety", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "guidanceCategory": "css", "severity": "high", "confidence": "high", "summary": "Safety uses a 450px minimum layout on a 360px device", "evidence": "At a requested 360px viewport, Safety reports a 450px layout viewport and 90px horizontal overflow, forcing browser scale-down rather than true 360px reflow.", "artifacts": [ "evidence/safety-mobile.png", "evidence/safety-mobile-layout.json" ], "suggestedFix": "Remove the 450px minimum constraint and let charts/content reflow within 100% inline size at 360px.", "effort": "medium" }, { "id": "F-007", "pathId": "home", "url": "https://t.me", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "optimize-image-priority", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Cold-load LCP is 4.7 seconds", "evidence": "Cold Lighthouse reports LCP 4.7s (score 0.33), outside the good <=2.5s Core Web Vitals threshold, although CLS is 0.", "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Prioritise the actual LCP asset, remove the redirect for canonical traffic, and defer below-fold images/media.", "effort": "medium" }, { "id": "F-008", "pathId": "home", "url": "https://t.me", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-main-thread", "guidanceId": "break-up-long-tasks", "guidanceCategory": "performance", "severity": "medium", "confidence": "high", "summary": "A 194ms main-thread task blocks initial responsiveness", "evidence": "The DevTools trace records one 194.12ms main-thread task and 144.12ms total blocking time on the simple landing page.", "artifacts": [ "evidence/home-trace-summary.json" ], "suggestedFix": "Profile the long task, split non-critical startup work, and defer demo/sticker setup until needed.", "effort": "medium" }, { "id": "F-009", "pathId": "home", "url": "https://t.me", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-script-priority", "guidanceCategory": "performance", "severity": "medium", "confidence": "high", "summary": "Blocking resources and unused CSS delay a simple page", "evidence": "HAR confirms three parser-inserted render-blocking stylesheets and three classic scripts without async/defer; Lighthouse also estimates 26 KiB unused CSS and cold LCP is 4.7s.", "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-home.json" ], "suggestedFix": "Inline only critical CSS, defer classic scripts, and remove the 26 KiB of unused CSS reported by Lighthouse.", "effort": "medium" }, { "id": "F-010", "pathId": "home", "url": "https://t.me", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "Give meaningful images concise alt text (or alt=\"\" when decorative) and name the logo link “Telegram home”.", "severity": "high", "confidence": "high", "summary": "Images and the logo link lack accessible alternatives", "evidence": "axe reports two images without alt text, the logo home link without an accessible name, and the Images primitive confirms two missing alt attributes.", "artifacts": [ "evidence/axe-home.json", "evidence/home-images.json" ], "suggestedFix": "small" }, { "id": "F-011", "pathId": "home", "url": "https://t.me", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "Darken the link color so normal text reaches at least 4.5:1 in every state.", "severity": "high", "confidence": "high", "summary": "Shared blue links fail WCAG AA contrast", "evidence": "axe reports serious color-contrast failures: the shared #0088cc link color is 3.89:1 on white across navigation and news links.", "artifacts": [ "evidence/axe-home.json" ], "suggestedFix": "small" }, { "id": "F-012", "pathId": "home", "url": "https://t.me", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "Use semantic header/nav/main/footer landmarks, one descriptive H1, and sequential heading levels.", "severity": "high", "confidence": "high", "summary": "Home lacks basic heading and landmark structure", "evidence": "axe reports no main landmark, no H1 on Home, invalid heading order, broad content outside landmarks, and an empty heading.", "artifacts": [ "evidence/axe-home.json", "evidence/home-dom.json" ], "suggestedFix": "medium" }, { "id": "F-013", "pathId": "home", "url": "https://t.me", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "guidanceCategory": "Set width and height or aspect-ratio on each image to make sizing explicit.", "severity": "low", "confidence": "high", "summary": "Below-fold images omit intrinsic dimensions", "evidence": "Images primitive reports both sampled below-fold news images omit width and height attributes (and loading/srcset).", "artifacts": [ "evidence/home-images.json" ], "suggestedFix": "small" }, { "id": "F-014", "pathId": "multi-template", "url": "https://t.me", "principleId": "be-discoverable", "principleCheckId": "title-and-description", "guidanceId": "html", "guidanceCategory": "Add a unique concise meta description matching each page purpose.", "severity": "medium", "confidence": "high", "summary": "Every sampled page lacks a meta description", "evidence": "Metadata probe finds a descriptive title but no meta description on Home, FAQ, Apps, Safety, or API; Lighthouse meta-description fails.", "artifacts": [ "evidence/metadata-probe.json", "evidence/lighthouse-home.json" ], "suggestedFix": "small" }, { "id": "F-015", "pathId": "multi-template", "url": "https://t.me", "principleId": "be-discoverable", "principleCheckId": "canonical-and-indexing-signals", "guidanceId": "html", "guidanceCategory": "Return real 404 status for unknown URLs, publish robots.txt and sitemap.xml, and add canonical links.", "severity": "high", "confidence": "high", "summary": "Soft 404s and missing canonical crawl signals confuse indexing", "evidence": "robots.txt and sitemap.xml return 404, sampled pages have no canonical, and an invented URL returns HTTP 200 with the homepage, creating a soft-404 indexing signal.", "artifacts": [ "evidence/metadata-probe.json", "evidence/robots.txt", "evidence/sitemap.xml", "evidence/not-found.png" ], "suggestedFix": "medium" }, { "id": "F-016", "pathId": "home", "url": "https://t.me", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "Deploy a restrictive Content-Security-Policy and X-Content-Type-Options: nosniff, testing CSP in report-only first.", "severity": "high", "confidence": "high", "summary": "Core XSS and MIME-sniffing defenses are absent", "evidence": "Headers primitive finds HTTPS and HSTS, but no Content-Security-Policy and no X-Content-Type-Options; the short-lived cookie is Secure and HttpOnly.", "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "suggestedFix": "medium" }, { "id": "F-017", "pathId": "home", "url": "https://t.me", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "privacy", "guidanceCategory": "Set a suitable Referrer-Policy and a least-privilege Permissions-Policy.", "severity": "medium", "confidence": "high", "summary": "Privacy-oriented browser policies are incomplete", "evidence": "Headers primitive finds no Referrer-Policy or Permissions-Policy; X-Frame-Options and HSTS are present.", "artifacts": [ "evidence/home-headers.json" ], "suggestedFix": "small" }, { "id": "F-018", "pathId": "home", "url": "https://t.me", "principleId": "be-resilient", "principleCheckId": "network-and-http-failure-states", "guidanceId": "persistent-toast-notifications", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Unknown routes silently become the homepage", "evidence": "A clearly nonexistent path returns HTTP 200 and silently renders the homepage instead of an explicit not-found state with recovery guidance.", "artifacts": [ "evidence/not-found.png" ], "suggestedFix": "Return a clear 404 page with navigation, search/help, and a route back to the intended task.", "effort": "small" }, { "id": "F-019", "pathId": "multi-template", "url": "https://t.me", "principleId": "be-internationalised", "principleCheckId": "lang-dir-and-logical-properties", "guidanceId": "language-detection", "guidanceCategory": "internationalisation", "severity": "high", "confidence": "high", "summary": "Localized pages omit language and direction metadata", "evidence": "All five sampled documents omit html lang (axe serious), and the root computed direction metadata is also undeclared despite offering 19 languages.", "artifacts": [ "evidence/axe-home.json", "evidence/metadata-probe.json" ], "suggestedFix": "Set html lang for every selected locale and dir=\"rtl\" for Arabic/Persian output; favour logical CSS properties.", "effort": "small" }, { "id": "F-020", "pathId": "home", "url": "https://t.me", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "optimize-image-priority", "guidanceCategory": "performance", "severity": "medium", "confidence": "high", "summary": "Below-fold images are heavy and not responsive or lazy", "evidence": "HAR transfers 666,179 image bytes; the two 600px news images lack lazy loading and srcset, including one 324,389-byte below-fold image.", "artifacts": [ "evidence/home-summary.json", "evidence/home-images.json" ], "suggestedFix": "Add loading=\"lazy\", width/height, and responsive srcset/sizes; compress the 324 KB news image further.", "effort": "small" }, { "id": "F-021", "pathId": "home", "url": "https://t.me", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "performance", "severity": "low", "confidence": "high", "summary": "Demo media starts loading before user intent", "evidence": "The simple landing page initiates six media requests plus 20 image requests and transfers 798,160 bytes before interaction; demo MP4 requests begin without user intent.", "artifacts": [ "evidence/home-summary.json" ], "suggestedFix": "Use preload=\"none\" for demo videos and fetch/play them only on explicit interaction or when near the viewport.", "effort": "small" } ], "taskList": [ { "id": "T-001", "title": "Repair the shared accessibility foundation: landmarks and headings, accessible names and alt text, and AA link contrast.", "priority": 1, "findingIds": [ "F-010", "F-011", "F-012" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T-002", "title": "Make the Safety template genuinely reflow at 360px instead of scaling a 450px layout.", "priority": 2, "findingIds": [ "F-006" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T-003", "title": "Deploy CSP, nosniff, Referrer-Policy, and a least-privilege Permissions-Policy.", "priority": 3, "findingIds": [ "F-016", "F-017" ], "guidanceId": "security", "status": "open" }, { "id": "T-004", "title": "Fix crawl signals: real 404 responses, canonical links, robots.txt, sitemap.xml, and per-page descriptions.", "priority": 4, "findingIds": [ "F-014", "F-015", "F-018" ], "guidanceId": "html", "status": "open" }, { "id": "T-005", "title": "Improve cold LCP and startup efficiency by deferring media and scripts, trimming CSS, and optimising below-fold images.", "priority": 5, "findingIds": [ "F-007", "F-008", "F-009", "F-020", "F-021" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T-006", "title": "Respect dark, reduced-motion, and higher-contrast user preferences.", "priority": 6, "findingIds": [ "F-001", "F-002", "F-003" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T-007", "title": "Declare the selected language and writing direction on every localized page.", "priority": 7, "findingIds": [ "F-019" ], "guidanceId": "language-detection", "status": "open" }, { "id": "T-008", "title": "Add scroll-state orientation on long documents and smooth cross-document navigation.", "priority": 8, "findingIds": [ "F-004", "F-005" ], "guidanceId": "cross-document-transitions", "status": "open" }, { "id": "T-009", "title": "Give below-fold images intrinsic width and height.", "priority": 9, "findingIds": [ "F-013" ], "guidanceId": "html", "status": "open" } ], "budget": { "wallClockSeconds": 900, "pathCount": 6, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-18T05-21-10-852Z" }