{ "url": "https://vnexpress.net", "auditedAt": "2026-07-24T01:10:00.000Z", "mode": "report", "status": "completed", "statusDetail": "Atomic coverage complete across 59 catalog checks and four representative templates plus an error state.", "page": { "appType": "mpa", "framework": "server-rendered multi-page news site with extensive client scripting", "notes": "Public Vietnamese news publisher. Consent interstitial appears on fresh sessions." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "layout-metrics", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "lighthouse", "robots/sitemap fetch", "modern-web-guidance@0.0.172" ], "guidanceConsulted": [ "dark-mode", "component-specific-light-dark-theme", "accessibility", "adapt-scrollbar-to-contrast-preferences", "same-document-transitions", "cross-document-transitions", "group-element-transitions", "faster-spa-view-transitions", "scrollytelling", "parallax-scroll-effects", "scroll-entry-exit-effects", "carousel-slide-effects", "physics-based-easing", "individual-transform-properties", "animate-element-entry-exit", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "dynamic-sibling-animations", "interactive-content-reveal", "pull-to-reveal", "swipe-to-remove", "shrinking-header-on-scroll", "scroll-progress-indicator", "scroll-position-aware-elements", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "soft-edge-content-fade", "scrollability-affordance-hints", "anchor-positioning-tab-underline", "position-aware-tooltips", "interest-triggered-tooltips", "interest-triggered-action-previews", "directional-navigation-transitions", "carousel-snap-highlights", "navigation-drawer", "stack-drill-down", "persistent-app-tours", "persistent-toast-notifications", "light-dismiss-a-dialog", "platform-controls-dismiss-dialog", "declarative-dialog-popover-control", "animated-select-picker", "branded-select-styling", "brand-consistent-forms", "custom-select-picker-layouts", "rich-media-picker", "complex-shapes", "shaped-cutouts", "overflow-clipping-control", "visually-texture-content", "apply-webgl-shaders", "interactive-content-in-3d-scenes", "highlight-text-ranges", "prevent-text-wrapping", "customize-scrollbar-color-and-thickness", "export-html-media-from-canvas", "fluid-scaling", "calculate-with-intrinsic-sizes", "css-layout", "size-aware-styling", "content-based-styling", "child-state-based-styling", "design-token-reactivity", "dynamic-sibling-styling", "form-fields-automatically-fit-contents", "improve-text-layout-and-legibility", "forms", "accessible-error-announcement", "required-field-feedback", "validate-input-after-interaction", "identify-inp-causes", "schedule-tasks-by-priority", "optimize-preload-priority", "improve-next-page-load-performance", "interactions-in-complex-layouts", "performance", "visually-stable-font-fallbacks", "break-up-long-tasks", "identify-heavy-scripts", "optimize-script-priority", "defer-rendering-heavy-content", "defer-work-until-scroll-ends", "optimize-image-priority", "conditional-async-dependencies", "expose-canvas-content-to-browser-features", "move-dom-element-without-losing-state", "precise-text-alignment", "visually-stable-mixed-fonts", "css", "html", "reduce-style-repetition", "security", "privacy", "batch-analytics-events", "full-session-analytics", "calculate-total-foreground-time", "passkeys", "passkey-registration", "passkey-authentication", "passkey-reauthentication", "passkey-conditional-create", "passkey-management", "flicker-free-client-side-ab-testing", "consistent-cross-document-transitions", "stabilize-reactive-state", "resilient-context-menus-and-nested-dropdowns", "persistent-top-layer-ui", "detect-initial-visibility-state", "sequence-distributed-events", "translator", "language-detection", "support-global-calendar-systems", "capture-location-agnostic-data", "format-human-readable-durations", "manage-recurring-intervals", "calculate-event-differentials", "coordinate-global-events", "model-partial-time-concepts", "search-hidden-content", "select-menu-interaction", "style-parent-with-has", "autofill-address-form", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "autofill-highlight-inputs", "deliver-optimized-decorative-images", "resolution-optimized-pseudo-elements", "deprioritize-background-fetches", "efficient-background-processing", "webmcp", "agentic-forms", "agentic-javascript-tools", "language-model", "summarizer" ], "artifacts": [ { "type": "screenshot", "path": "evidence/404-mobile.png", "caption": "Audit evidence: 404-mobile.png", "condition": "viewport: 360x800", "findingIds": [ "F-22", "F-30" ] }, { "type": "other", "path": "evidence/404-probe.json", "caption": "Audit evidence: 404-probe.json", "findingIds": [ "F-22", "F-30" ] }, { "type": "screenshot", "path": "evidence/article-discoverability-crawler.png", "caption": "Audit evidence: article-discoverability-crawler.png", "findingIds": [ "F-23" ] }, { "type": "screenshot", "path": "evidence/article-discoverability-rendered.png", "caption": "Audit evidence: article-discoverability-rendered.png", "findingIds": [] }, { "type": "discoverability", "path": "evidence/article-discoverability.json", "caption": "Audit evidence: article-discoverability.json", "findingIds": [ "F-23" ] }, { "type": "dom", "path": "evidence/article-dom.json", "caption": "Audit evidence: article-dom.json", "findingIds": [] }, { "type": "screenshot", "path": "evidence/article-mobile.png", "caption": "Audit evidence: article-mobile.png", "condition": "viewport: 360x800", "findingIds": [ "F-05", "F-29" ] }, { "type": "other", "path": "evidence/contrast.json", "caption": "Audit evidence: contrast.json", "findingIds": [] }, { "type": "other", "path": "evidence/cookies.json", "caption": "Audit evidence: cookies.json", "findingIds": [ "F-18" ] }, { "type": "other", "path": "evidence/guidance-consulted-ids.json", "caption": "Audit evidence: guidance-consulted-ids.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-retrieved.json", "caption": "Audit evidence: guidance-retrieved.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/1.json", "caption": "Audit evidence: 1.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/10.json", "caption": "Audit evidence: 10.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/11.json", "caption": "Audit evidence: 11.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/12.json", "caption": "Audit evidence: 12.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/13.json", "caption": "Audit evidence: 13.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/14.json", "caption": "Audit evidence: 14.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/15.json", "caption": "Audit evidence: 15.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/16.json", "caption": "Audit evidence: 16.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/17.json", "caption": "Audit evidence: 17.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/18.json", "caption": "Audit evidence: 18.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/19.json", "caption": "Audit evidence: 19.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/2.json", "caption": "Audit evidence: 2.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/20.json", "caption": "Audit evidence: 20.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/21.json", "caption": "Audit evidence: 21.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/22.json", "caption": "Audit evidence: 22.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/23.json", "caption": "Audit evidence: 23.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/24.json", "caption": "Audit evidence: 24.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/25.json", "caption": "Audit evidence: 25.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/26.json", "caption": "Audit evidence: 26.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/27.json", "caption": "Audit evidence: 27.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/28.json", "caption": "Audit evidence: 28.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/29.json", "caption": "Audit evidence: 29.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/3.json", "caption": "Audit evidence: 3.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/30.json", "caption": "Audit evidence: 30.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/31.json", "caption": "Audit evidence: 31.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/32.json", "caption": "Audit evidence: 32.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/33.json", "caption": "Audit evidence: 33.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/34.json", "caption": "Audit evidence: 34.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/35.json", "caption": "Audit evidence: 35.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/36.json", "caption": "Audit evidence: 36.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/37.json", "caption": "Audit evidence: 37.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/38.json", "caption": "Audit evidence: 38.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/39.json", "caption": "Audit evidence: 39.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/4.json", "caption": "Audit evidence: 4.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/40.json", "caption": "Audit evidence: 40.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/41.json", "caption": "Audit evidence: 41.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/42.json", "caption": "Audit evidence: 42.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/43.json", "caption": "Audit evidence: 43.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/44.json", "caption": "Audit evidence: 44.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/45.json", "caption": "Audit evidence: 45.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/46.json", "caption": "Audit evidence: 46.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/47.json", "caption": "Audit evidence: 47.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/48.json", "caption": "Audit evidence: 48.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/49.json", "caption": "Audit evidence: 49.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/5.json", "caption": "Audit evidence: 5.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/50.json", "caption": "Audit evidence: 50.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/51.json", "caption": "Audit evidence: 51.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/52.json", "caption": "Audit evidence: 52.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/53.json", "caption": "Audit evidence: 53.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/54.json", "caption": "Audit evidence: 54.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/55.json", "caption": "Audit evidence: 55.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/56.json", "caption": "Audit evidence: 56.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/57.json", "caption": "Audit evidence: 57.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/58.json", "caption": "Audit evidence: 58.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/59.json", "caption": "Audit evidence: 59.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/6.json", "caption": "Audit evidence: 6.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/7.json", "caption": "Audit evidence: 7.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/8.json", "caption": "Audit evidence: 8.json", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches/9.json", "caption": "Audit evidence: 9.json", "findingIds": [] }, { "type": "other", "path": "evidence/headers.json", "caption": "Audit evidence: headers.json", "findingIds": [ "F-18", "F-21" ] }, { "type": "heap", "path": "evidence/heap-baseline.heapsnapshot", "caption": "Audit evidence: heap-baseline.heapsnapshot", "findingIds": [ "F-28" ] }, { "type": "heap", "path": "evidence/heap-post.heapsnapshot", "caption": "Audit evidence: heap-post.heapsnapshot", "findingIds": [] }, { "type": "other", "path": "evidence/home-after-consent.json", "caption": "Audit evidence: home-after-consent.json", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "Audit evidence: home-dark.png", "condition": "prefers-color-scheme: dark", "findingIds": [ "F-01" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "Audit evidence: home-desktop.png", "findingIds": [ "F-01", "F-05", "F-06", "F-24" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "Audit evidence: home-discoverability-crawler.png", "findingIds": [ "F-23" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "Audit evidence: home-discoverability-rendered.png", "findingIds": [] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "Audit evidence: home-discoverability.json", "findingIds": [ "F-23" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "Audit evidence: home-dom.json", "findingIds": [] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "Audit evidence: home-mobile-layout.json", "condition": "viewport: 360x800", "findingIds": [ "F-04" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "Audit evidence: home-mobile.png", "condition": "viewport: 360x800", "findingIds": [ "F-05", "F-24", "F-29" ] }, { "type": "other", "path": "evidence/home-recon.json", "caption": "Audit evidence: home-recon.json", "findingIds": [] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "Audit evidence: home-summary.json", "findingIds": [ "F-10", "F-11", "F-19", "F-27" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "Audit evidence: home-trace-summary.json", "findingIds": [ "F-09" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "Audit evidence: home-trace.json", "findingIds": [] }, { "type": "har", "path": "evidence/home.har", "caption": "Audit evidence: home.har", "findingIds": [ "F-10" ] }, { "type": "other", "path": "evidence/images.json", "caption": "Audit evidence: images.json", "findingIds": [ "F-12", "F-26" ] }, { "type": "other", "path": "evidence/lighthouse-findings.json", "caption": "Audit evidence: lighthouse-findings.json", "findingIds": [ "F-12", "F-13", "F-14", "F-15", "F-16", "F-17", "F-20" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "Audit evidence: lighthouse.json", "findingIds": [ "F-09", "F-11" ] }, { "type": "screenshot", "path": "evidence/listing-desktop.png", "caption": "Audit evidence: listing-desktop.png", "findingIds": [ "F-05", "F-29" ] }, { "type": "screenshot", "path": "evidence/media-mobile.png", "caption": "Audit evidence: media-mobile.png", "condition": "viewport: 360x800", "findingIds": [ "F-05" ] }, { "type": "other", "path": "evidence/platform-probe.json", "caption": "Audit evidence: platform-probe.json", "findingIds": [ "F-03", "F-04", "F-06", "F-07", "F-08", "F-12", "F-14", "F-17", "F-25" ] }, { "type": "other", "path": "evidence/reduced-motion.json", "caption": "Audit evidence: reduced-motion.json", "findingIds": [ "F-02" ] }, { "type": "other", "path": "evidence/robots.txt", "caption": "Audit evidence: robots.txt", "findingIds": [] }, { "type": "other", "path": "evidence/secrets.json", "caption": "Audit evidence: secrets.json", "findingIds": [] }, { "type": "other", "path": "evidence/specialized-probe.json", "caption": "Audit evidence: specialized-probe.json", "findingIds": [] }, { "type": "other", "path": "evidence/trackers.json", "caption": "Audit evidence: trackers.json", "findingIds": [ "F-19", "F-27" ] }, { "type": "other", "path": "coverage-manifest.json", "caption": "Audit evidence: coverage-manifest.json", "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": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Desktop screenshots under default and prefers-color-scheme: dark retain the same white content surface and consent UI; the platform probe found no theme adaptation signal.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-dark.png" ], "findingIds": [ "F-01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "The reduced-motion probe matched reduce but found no reduced-motion stylesheet rule and still found 11 animations, including a running 300 ms animation.", "pathIds": [ "home" ], "artifacts": [ "evidence/reduced-motion.json" ], "findingIds": [ "F-02" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "Contrast preference stylesheet detected under prefers-contrast: more.", "pathIds": [ "home" ], "artifacts": [ "evidence/contrast.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "The live CSS probe found no view-transition rules on this multi-page news site.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json" ], "findingIds": [ "F-03" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "The CSS probe found no animation-timeline or scroll-timeline on a 25,433 px home page.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/home-mobile-layout.json" ], "findingIds": [ "F-04" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path applicability judgement.", "evidence": "No swipe, drag, pull-to-refresh, or carousel gesture was required for the representative reading task.", "reason": "No swipe, drag, pull-to-refresh, or carousel gesture was required for the representative reading task." }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path applicability judgement.", "evidence": "No requirement for shrinking chrome or scroll progress was established on the tested news templates.", "reason": "No requirement for shrinking chrome or scroll progress was established on the tested news templates." }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path applicability judgement.", "evidence": "No tooltip, edge menu, or anchored-popover interaction was part of the representative reading paths, so anchor positioning was not applicable.", "reason": "No tooltip, edge menu, or anchored-popover interaction was part of the representative reading paths, so anchor positioning was not applicable." }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "Section labels, descriptive article headlines, and clear category navigation provide orientation across tested templates.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-after-consent.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Desktop, mobile, article, listing, and media screenshots all open with a large modal covering the primary content; on mobile it occupies nearly the full viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/article-mobile.png", "evidence/listing-desktop.png", "evidence/media-mobile.png" ], "findingIds": [ "F-05" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "The DOM/platform probe found zero dialog, popover, or details elements while screenshots show a modal interstitial.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/home-desktop.png" ], "findingIds": [ "F-06" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "Behind the consent layer, listing and article screenshots use restrained news typography and content-led layouts.", "pathIds": [ "home" ], "artifacts": [ "evidence/listing-desktop.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "At 360×800 the layout reported scrollWidth=clientWidth=360 and zero horizontal overflow; mobile screenshots fit the viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "The CSS probe found no @container rules across a dense reusable card layout.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json" ], "findingIds": [ "F-07" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Of 786 visible controls, 297 measured below 24 px in at least one dimension; the first 20 focused links all computed outline-style none and no focus box shadow.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json" ], "findingIds": [ "F-08" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "Metadata, section labels, and article headlines clearly identify the news-reading purpose and destinations.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-recon.json" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Every tested page archetype opened behind the consent interstitial, forcing a detour before the primary reading task.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/article-mobile.png", "evidence/listing-desktop.png" ], "findingIds": [ "F-29" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "The invalid route displays only 406 Not Acceptable, without search, back, home, or retry actions.", "pathIds": [ "error" ], "artifacts": [ "evidence/404-mobile.png", "evidence/404-probe.json" ], "findingIds": [ "F-30" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Lighthouse measured LCP 8.3 s, CLS 1.037, TBT 840 ms, Speed Index 22.3 s, and performance score 0.18.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F-09" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "medium", "method": "Direct inspection/probe of the representative paths.", "evidence": "Direct recon across the representative templates found the expected outcome with no contradictory signal in the cited evidence.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-recon.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "The first-party trace summary reported no >50 ms long tasks and 0 ms trace TBT, though Lighthouse under its run found broader blocking captured by good-core-web-vitals.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "HAR recorded 274 requests and 8,827,956 transferred bytes, including 4.98 MB of images and 3.03 MB of scripts.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "findingIds": [ "F-10" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "HAR shows 56 scripts / 3.03 MB; a single uncompressed device_model_min.js is 628,959 bytes and Google Tag Manager resources add hundreds of KB.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse.json" ], "findingIds": [ "F-11" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Lighthouse failed button-name and link-name; the image audit found 3 missing alt values and the form probe found unlabelled fields.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-findings.json", "evidence/images.json", "evidence/platform-probe.json" ], "findingIds": [ "F-12" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Lighthouse color-contrast audit scored 0 and lists failing elements.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-findings.json" ], "findingIds": [ "F-13" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Lighthouse failed heading-order; the platform probe found no main landmark, multiple H1s from consent UI, and focused links with outline none.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/lighthouse-findings.json" ], "findingIds": [ "F-14" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "Article/mobile screenshots show readable text sizing and reflow without horizontal clipping.", "pathIds": [ "home" ], "artifacts": [ "evidence/article-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "Viewport allows maximum-scale=5/user-scalable and the 360 px layout reflows without overflow; target-size failures are recorded separately under input modality.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-recon.json" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Lighthouse errors-in-console audit scored 0.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-findings.json" ], "findingIds": [ "F-15" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "DOM evidence confirms HTML doctype, UTF-8 charset, viewport metadata, and valid document delivery; image defects are separately recorded under sustainability/performance.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Lighthouse reported one deprecated API, inspector issues, and a notification permission request at startup.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-findings.json" ], "findingIds": [ "F-16" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "Home and article expose descriptive titles and meta descriptions in raw HTML.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-recon.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "The live probe found 332 javascript: anchors and Lighthouse failed crawlable-anchors.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/lighthouse-findings.json" ], "findingIds": [ "F-17" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "HTTP 200, canonical URL, index/follow robots, vi-vn hreflang, permissive general crawler rules, and sitemaps were directly observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/specialized-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "Home exposes WebSite/Organization JSON-LD plus complete Open Graph title, description, URL, and image metadata.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-recon.json" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Cookies audit found 23 of 24 cookies without Secure; many use SameSite=None. CSP allows unsafe-inline and unsafe-eval.", "pathIds": [ "home" ], "artifacts": [ "evidence/cookies.json", "evidence/headers.json" ], "findingIds": [ "F-18" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Tracker capture found 49 third-party origins and 14 known tracker domains; HAR attributed 262 requests and 8.58 MB to non-main origins.", "pathIds": [ "home" ], "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json" ], "findingIds": [ "F-19" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Lighthouse notification-on-start audit scored 0.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-findings.json" ], "findingIds": [ "F-20" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Headers evidence shows no Permissions-Policy and a CSP containing unsafe-inline/unsafe-eval.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F-21" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Discoverability measured 24% raw/rendered word coverage on home and 31% on an article, although both were non-shell HTML with core metadata.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/article-discoverability.json", "evidence/home-discoverability-crawler.png", "evidence/article-discoverability-crawler.png" ], "findingIds": [ "F-23" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "The tested home, listing, article, and media templates rendered across desktop/mobile without clipped page-level layout.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path applicability judgement.", "evidence": "This public news MPA is content-oriented rather than an installable application; offline installability was judged out of scope.", "reason": "This public news MPA is content-oriented rather than an installable application; offline installability was judged out of scope." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "The tested nonexistent route rendered only “406 Not Acceptable”, with an empty title and no links.", "pathIds": [ "error" ], "artifacts": [ "evidence/404-mobile.png", "evidence/404-probe.json" ], "findingIds": [ "F-22" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path applicability judgement.", "evidence": "The audited property is deliberately Vietnamese-language (lang=vi, vi-vn hreflang); cross-language layout support was not an in-scope product intent.", "reason": "The audited property is deliberately Vietnamese-language (lang=vi, vi-vn hreflang); cross-language layout support was not an in-scope product intent." }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path applicability judgement.", "evidence": "The audited Vietnamese edition presents one locale and no user-entered currency/calendar flow; alternate-locale formatting was not applicable.", "reason": "The audited Vietnamese edition presents one locale and no user-entered currency/calendar flow; alternate-locale formatting was not applicable." }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path applicability judgement.", "evidence": "No scheduling, recurring event, or cross-time-zone transaction was part of the representative news-reading paths.", "reason": "No scheduling, recurring event, or cross-time-zone transaction was part of the representative news-reading paths." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Screenshots offer Consent and Manage options but no direct Reject all action, while listing 319 partners and blocking content.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/home-desktop.png" ], "findingIds": [ "F-24" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "No required data-entry form is part of the representative news-reading task; search is optional and native submission remains available.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "The form probe found text inputs without labels; the q search field sets autocomplete=off.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json" ], "findingIds": [ "F-25" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path applicability judgement.", "evidence": "No checkout, subscription purchase, cancellation, or authenticated account-management flow was included in the public reading scope.", "reason": "No checkout, subscription purchase, cancellation, or authenticated account-management flow was included in the public reading scope." }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Of 100 inspected images, 99 lacked dimensions, 67 lacked srcset, 87 used legacy formats, and 17 were oversized.", "pathIds": [ "home" ], "artifacts": [ "evidence/images.json" ], "findingIds": [ "F-26" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "Trace found no sustained >50 ms main-thread tasks during its observation; network waste is recorded separately under the third-party budget.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "The homepage transferred 8.83 MB; 8.58 MB and 262 requests were classified off the main origin, including a broad ad-tech stack.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json" ], "findingIds": [ "F-27" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path applicability judgement.", "evidence": "No declared agent-facing product intent or transactional capability was observed; this emerging check is contextual.", "reason": "No declared agent-facing product intent or transactional capability was observed; this emerging check is contextual." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path applicability judgement.", "evidence": "No declared need for on-device summarization/inference was observed; browser API availability alone does not make this contextual feature applicable.", "reason": "No declared need for on-device summarization/inference was observed; browser API availability alone does not make this contextual feature applicable." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "After ten full-page scroll cycles, heap self size rose about 2.0% (60.94 MB to 62.15 MB) and nodes about 1.0%, not evidence of unbounded retained growth in this bounded test.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-post.heapsnapshot" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "high", "method": "Direct visual, DOM, CDP, HAR, Lighthouse, header, cookie, tracker, image, discoverability, or heap evidence as cited.", "evidence": "Baseline heap summary contained 1,003,009 nodes and 60.9 MB self size for the news homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot" ], "findingIds": [ "F-28" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "high", "method": "Direct inspection/probe of the representative paths.", "evidence": "Before/after summaries show only modest closure growth (49,805 to 49,928) and no Detached* constructor among top retained constructors.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-post.heapsnapshot" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F-01", "F-02" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F-03", "F-04" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "pass" }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F-05", "F-06" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F-07", "F-08" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "issues", "findingIds": [ "F-29", "F-30" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F-09", "F-10", "F-11" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F-12", "F-13", "F-14" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F-15", "F-16" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F-17" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F-18", "F-19", "F-20", "F-21" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F-23", "F-22" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "not-applicable", "reason": "The audited property is deliberately Vietnamese-language (lang=vi, vi-vn hreflang); cross-language layout support was not an in-scope product intent. The audited Vietnamese edition presents one locale and no user-entered currency/calendar flow; alternate-locale formatting was not applicable. No scheduling, recurring event, or cross-time-zone transaction was part of the representative news-reading paths." }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F-24", "F-25" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F-26", "F-27" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "No declared agent-facing product intent or transactional capability was observed; this emerging check is contextual. No declared need for on-device summarization/inference was observed; browser API availability alone does not make this contextual feature applicable." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F-28" ] } ], "paths": [ { "id": "home", "description": "Homepage: top-level discovery, navigation, consent, performance, security, and mobile adaptation.", "url": "https://vnexpress.net/", "conditions": [ "desktop", "viewport: 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "prefers-contrast: more" ], "result": "issues" }, { "id": "listing", "description": "World section listing: representative category/index template.", "url": "https://vnexpress.net/the-gioi", "conditions": [ "desktop", "fresh session" ], "result": "issues" }, { "id": "article", "description": "Current news article: representative core reading journey and article metadata/no-JS behavior.", "url": "https://vnexpress.net/cuu-bo-truong-quoc-phong-ukraine-muon-duoc-phuc-chuc-5101012.html", "conditions": [ "viewport: 360x800", "JavaScript and no-JavaScript crawler views" ], "result": "issues" }, { "id": "media", "description": "VnE-GO: representative rich-media/mobile surface.", "url": "https://vnexpress.net/vne-go", "conditions": [ "viewport: 360x800", "fresh session" ], "result": "issues" }, { "id": "error", "description": "Invalid route: recovery and HTTP failure-state behavior.", "url": "https://vnexpress.net/this-page-does-not-exist-web-uplift", "conditions": [ "viewport: 360x800" ], "result": "issues" } ], "findings": [ { "id": "F-01", "severity": "medium", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "web-quality", "confidence": "high", "summary": "The site does not provide a user-preference-driven dark theme.", "evidence": "Desktop screenshots under default and prefers-color-scheme: dark retain the same white content surface and consent UI; the platform probe found no theme adaptation signal.", "suggestedFix": "Declare color-scheme and use prefers-color-scheme or light-dark() tokens across page and consent surfaces.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-dark.png" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-02", "severity": "medium", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Animations continue when reduced motion is requested.", "evidence": "The reduced-motion probe matched reduce but found no reduced-motion stylesheet rule and still found 11 animations, including a running 300 ms animation.", "suggestedFix": "Add a prefers-reduced-motion: reduce branch that removes non-essential motion and stops auto-advance.", "artifacts": [ "evidence/reduced-motion.json" ], "effort": "small", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-03", "severity": "low", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "cross-document-transitions", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Page and route changes do not use View Transitions.", "evidence": "The live CSS probe found no view-transition rules on this multi-page news site.", "suggestedFix": "Use cross-document View Transitions for compatible article and section navigation, with a non-animated fallback.", "artifacts": [ "evidence/platform-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-04", "severity": "low", "principleId": "implement-natural-interactions", "principleCheckId": "scroll-driven-animations", "guidanceId": "scroll-entry-exit-effects", "guidanceCategory": "web-quality", "confidence": "high", "summary": "The long news page has no declarative scroll-driven interaction treatment.", "evidence": "The CSS probe found no animation-timeline or scroll-timeline on a 25,433 px home page.", "suggestedFix": "Where scroll-linked effects are useful, implement them with CSS scroll-driven animations rather than script listeners.", "artifacts": [ "evidence/platform-probe.json", "evidence/home-mobile-layout.json" ], "effort": "small", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-05", "severity": "high", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "web-quality", "confidence": "high", "summary": "A consent interstitial obscures all news content on every tested entry page.", "evidence": "Desktop, mobile, article, listing, and media screenshots all open with a large modal covering the primary content; on mobile it occupies nearly the full viewport.", "suggestedFix": "Use a compact, non-blocking consent surface where legally possible and provide an immediate, equally prominent reject option.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/article-mobile.png", "evidence/listing-desktop.png", "evidence/media-mobile.png" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-06", "severity": "high", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "web-quality", "confidence": "high", "summary": "The blocking consent UI is not exposed as a native dialog.", "evidence": "The DOM/platform probe found zero dialog, popover, or details elements while screenshots show a modal interstitial.", "suggestedFix": "Implement the modal with , correct labelling, focus trapping/restoration, Escape handling, and a clear dismiss/reject action.", "artifacts": [ "evidence/platform-probe.json", "evidence/home-desktop.png" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-07", "severity": "low", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Components rely on page-level responsive CSS rather than container queries.", "evidence": "The CSS probe found no @container rules across a dense reusable card layout.", "suggestedFix": "Adopt container queries for reusable news cards and navigation components that appear in differently sized regions.", "artifacts": [ "evidence/platform-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-08", "severity": "high", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Many controls are too small and keyboard focus is not visibly styled.", "evidence": "Of 786 visible controls, 297 measured below 24 px in at least one dimension; the first 20 focused links all computed outline-style none and no focus box shadow.", "suggestedFix": "Provide clearly visible :focus-visible styles and increase interactive target areas toward 44 CSS px without changing visual density unnecessarily.", "artifacts": [ "evidence/platform-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-09", "severity": "critical", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "web-quality", "confidence": "high", "summary": "The homepage is very slow and unstable in Lighthouse.", "evidence": "Lighthouse measured LCP 8.3 s, CLS 1.037, TBT 840 ms, Speed Index 22.3 s, and performance score 0.18.", "suggestedFix": "Prioritize the LCP resource, reserve all late content space, reduce blocking JavaScript, and gate advertising work until after critical content.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "effort": "large", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-10", "severity": "high", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-image-priority", "guidanceCategory": "web-quality", "confidence": "high", "summary": "The homepage transfers an excessive resource payload.", "evidence": "HAR recorded 274 requests and 8,827,956 transferred bytes, including 4.98 MB of images and 3.03 MB of scripts.", "suggestedFix": "Set a page-weight budget, optimize LCP discovery, defer non-critical ads/widgets, and deliver responsive modern images.", "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "effort": "large", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-11", "severity": "high", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Third-party and device-detection JavaScript dominates delivery.", "evidence": "HAR shows 56 scripts / 3.03 MB; a single uncompressed device_model_min.js is 628,959 bytes and Google Tag Manager resources add hundreds of KB.", "suggestedFix": "Remove duplicate analytics, conditionally load device/ad code, compress remaining scripts, and audit code coverage.", "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse.json" ], "effort": "large", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-12", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Interactive controls and images have accessibility naming failures.", "evidence": "Lighthouse failed button-name and link-name; the image audit found 3 missing alt values and the form probe found unlabelled fields.", "suggestedFix": "Use semantic controls and provide accessible names, associated labels, and meaningful alt text.", "artifacts": [ "evidence/lighthouse-findings.json", "evidence/images.json", "evidence/platform-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-13", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Foreground/background combinations fail minimum contrast.", "evidence": "Lighthouse color-contrast audit scored 0 and lists failing elements.", "suggestedFix": "Adjust text and control color tokens to meet WCAG AA in every state, including the consent surface.", "artifacts": [ "evidence/lighthouse-findings.json" ], "effort": "small", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-14", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Heading and landmark structure is noisy and focus visibility is absent.", "evidence": "Lighthouse failed heading-order; the platform probe found no main landmark, multiple H1s from consent UI, and focused links with outline none.", "suggestedFix": "Add one main landmark, preserve logical heading order, keep the consent title out of the document content hierarchy, and add :focus-visible styles.", "artifacts": [ "evidence/platform-probe.json", "evidence/lighthouse-findings.json" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-15", "severity": "medium", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "web-quality", "confidence": "high", "summary": "The page logs browser errors.", "evidence": "Lighthouse errors-in-console audit scored 0.", "suggestedFix": "Resolve each production console error and add monitoring/regression checks for uncaught exceptions.", "artifacts": [ "evidence/lighthouse-findings.json" ], "effort": "small", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-16", "severity": "medium", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "web-quality", "confidence": "high", "summary": "The page uses deprecated APIs and prompts for notifications on load.", "evidence": "Lighthouse reported one deprecated API, inspector issues, and a notification permission request at startup.", "suggestedFix": "Remove deprecated calls and request notification permission only after an explicit, contextual user action.", "artifacts": [ "evidence/lighthouse-findings.json" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-17", "severity": "medium", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Hundreds of interactions use non-crawlable javascript: links.", "evidence": "The live probe found 332 javascript: anchors and Lighthouse failed crawlable-anchors.", "suggestedFix": "Use real href URLs for navigation and buttons for actions, with descriptive accessible text.", "artifacts": [ "evidence/platform-probe.json", "evidence/lighthouse-findings.json" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-18", "severity": "high", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Cookie and CSP policy leave avoidable security gaps.", "evidence": "Cookies audit found 23 of 24 cookies without Secure; many use SameSite=None. CSP allows unsafe-inline and unsafe-eval.", "suggestedFix": "Mark all HTTPS cookies Secure, choose Lax/Strict unless cross-site use is required, and migrate toward nonce/hash-based CSP without unsafe-eval.", "artifacts": [ "evidence/cookies.json", "evidence/headers.json" ], "effort": "large", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-19", "severity": "high", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "web-quality", "confidence": "high", "summary": "The page has a very large advertising and tracking footprint.", "evidence": "Tracker capture found 49 third-party origins and 14 known tracker domains; HAR attributed 262 requests and 8.58 MB to non-main origins.", "suggestedFix": "Minimize vendors, load optional analytics only after valid consent, batch essential events, and enforce a third-party byte/request budget.", "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json" ], "effort": "large", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-20", "severity": "medium", "principleId": "be-private-and-secure", "principleCheckId": "in-context-permissions-and-modern-auth", "guidanceId": "privacy", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Notification permission is requested without user context.", "evidence": "Lighthouse notification-on-start audit scored 0.", "suggestedFix": "Ask for notification permission only after the user chooses a clear subscribe/alerts action.", "artifacts": [ "evidence/lighthouse-findings.json" ], "effort": "small", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-21", "severity": "medium", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Permissions-Policy is missing and CSP defenses are weakened.", "evidence": "Headers evidence shows no Permissions-Policy and a CSP containing unsafe-inline/unsafe-eval.", "suggestedFix": "Add a least-privilege Permissions-Policy and strengthen CSP while preserving HSTS, nosniff, frame, and referrer protections.", "artifacts": [ "evidence/headers.json" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-22", "severity": "high", "principleId": "be-resilient", "principleCheckId": "network-and-http-failure-states", "guidanceId": "persistent-toast-notifications", "guidanceCategory": "web-quality", "confidence": "high", "summary": "An invalid URL produces a bare 406 response with no recovery path.", "evidence": "The tested nonexistent route rendered only “406 Not Acceptable”, with an empty title and no links.", "suggestedFix": "Return a proper 404 page with site navigation, search, a home link, and a concise recovery message.", "artifacts": [ "evidence/404-mobile.png", "evidence/404-probe.json" ], "effort": "small", "pathId": "error", "url": "https://vnexpress.net/this-page-does-not-exist-web-uplift" }, { "id": "F-23", "severity": "medium", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "html", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Only a minority of rendered words are present to a non-JavaScript crawler.", "evidence": "Discoverability measured 24% raw/rendered word coverage on home and 31% on an article, although both were non-shell HTML with core metadata.", "suggestedFix": "Server-render the complete primary article/list content and reserve JavaScript for enhancement.", "artifacts": [ "evidence/home-discoverability.json", "evidence/article-discoverability.json", "evidence/home-discoverability-crawler.png", "evidence/article-discoverability-crawler.png" ], "effort": "large", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-24", "severity": "high", "principleId": "be-trustworthy", "principleCheckId": "no-dark-patterns", "guidanceId": "custom-button-actions", "guidanceCategory": "web-quality", "confidence": "high", "summary": "The first consent layer lacks an equally prominent reject action.", "evidence": "Screenshots offer Consent and Manage options but no direct Reject all action, while listing 319 partners and blocking content.", "suggestedFix": "Offer Reject all beside Accept all with equal visual weight, concise purposes, and easy later withdrawal.", "artifacts": [ "evidence/home-mobile.png", "evidence/home-desktop.png" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-25", "severity": "low", "principleId": "be-trustworthy", "principleCheckId": "trustworthy-input-assistance", "guidanceId": "forms", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Search inputs are unlabelled and disable autocomplete.", "evidence": "The form probe found text inputs without labels; the q search field sets autocomplete=off.", "suggestedFix": "Add explicit labels or accessible names and retain helpful browser input assistance unless there is a documented reason not to.", "artifacts": [ "evidence/platform-probe.json" ], "effort": "small", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-26", "severity": "high", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Image delivery is not resource-efficient.", "evidence": "Of 100 inspected images, 99 lacked dimensions, 67 lacked srcset, 87 used legacy formats, and 17 were oversized.", "suggestedFix": "Emit intrinsic dimensions, responsive srcset/sizes, and AVIF/WebP variants; right-size decorative assets.", "artifacts": [ "evidence/images.json" ], "effort": "large", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-27", "severity": "high", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Third-party resource use is disproportionate for reading news.", "evidence": "The homepage transferred 8.83 MB; 8.58 MB and 262 requests were classified off the main origin, including a broad ad-tech stack.", "suggestedFix": "Set and enforce vendor, request, and byte budgets; defer non-essential media and third parties until interaction/consent.", "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json" ], "effort": "large", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-28", "severity": "medium", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "performance", "guidanceCategory": "web-quality", "confidence": "high", "summary": "The initial page has a very large heap and DOM-related footprint.", "evidence": "Baseline heap summary contained 1,003,009 nodes and 60.9 MB self size for the news homepage.", "suggestedFix": "Reduce shipped widgets, hidden DOM, ad-tech allocations, and retained component state; monitor heap/node budgets.", "artifacts": [ "evidence/heap-baseline.heapsnapshot" ], "effort": "large", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-29", "severity": "medium", "principleId": "support-core-task-success", "principleCheckId": "primary-flow-completion", "guidanceId": "forms", "guidanceCategory": "web-quality", "confidence": "high", "summary": "Reading the news is blocked before the first article interaction.", "evidence": "Every tested page archetype opened behind the consent interstitial, forcing a detour before the primary reading task.", "suggestedFix": "Let users continue with an explicit reject choice from the first layer and keep the reading path visible.", "artifacts": [ "evidence/home-mobile.png", "evidence/article-mobile.png", "evidence/listing-desktop.png" ], "effort": "medium", "pathId": "home", "url": "https://vnexpress.net/" }, { "id": "F-30", "severity": "medium", "principleId": "support-core-task-success", "principleCheckId": "clear-system-state-and-recovery", "guidanceId": "persistent-toast-notifications", "guidanceCategory": "web-quality", "confidence": "high", "summary": "The error state offers no recovery.", "evidence": "The invalid route displays only 406 Not Acceptable, without search, back, home, or retry actions.", "suggestedFix": "Provide branded 404/5xx states with clear status and recovery controls.", "artifacts": [ "evidence/404-mobile.png", "evidence/404-probe.json" ], "effort": "small", "pathId": "error", "url": "https://vnexpress.net/this-page-does-not-exist-web-uplift" } ], "taskList": [ { "id": "T-01", "title": "Cut LCP/CLS, JavaScript, image, and third-party payloads", "priority": 1, "findingIds": [ "F-09", "F-10", "F-11", "F-26", "F-27" ], "guidanceId": "performance", "status": "open" }, { "id": "T-02", "title": "Replace the blocking consent experience with equal accept/reject choices and semantic dialog behavior", "priority": 2, "findingIds": [ "F-05", "F-06", "F-24", "F-29" ], "guidanceId": "declarative-dialog-popover-control", "status": "open" }, { "id": "T-03", "title": "Reduce tracking and harden cookies, CSP, and browser policies", "priority": 3, "findingIds": [ "F-18", "F-19", "F-20", "F-21" ], "guidanceId": "privacy", "status": "open" }, { "id": "T-04", "title": "Repair accessible names, contrast, headings, landmarks, focus, and target sizes", "priority": 4, "findingIds": [ "F-08", "F-12", "F-13", "F-14" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T-05", "title": "Provide complete server-rendered content, crawlable links, and useful failure pages", "priority": 5, "findingIds": [ "F-17", "F-22", "F-23", "F-30" ], "guidanceId": "html", "status": "open" }, { "id": "T-06", "title": "Add preference-aware theming and reduced-motion behavior", "priority": 6, "findingIds": [ "F-01", "F-02" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T-07", "title": "Reduce baseline heap/DOM footprint", "priority": 7, "findingIds": [ "F-28" ], "guidanceId": "performance", "status": "open" } ], "budget": { "wallClockSeconds": 900, "pathCount": 5, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-24T00-58-44-701Z" }