{ "url": "https://news.yahoo.co.jp", "auditedAt": "2026-07-28T08:35:53.000Z", "mode": "report", "status": "partial", "statusDetail": "The EEA/UK geographic HTTP 403 gate allowed a complete audit of the delivered notice but blocked the representative Yahoo News reading flow and normal robots/sitemap/indexing signals.", "page": { "appType": "mpa", "framework": "static server-rendered HTML (no page JavaScript)", "notes": "From this audit location every tested news.yahoo.co.jp path, including robots.txt and sitemap.xml, returned the same bilingual EEA/UK access notice with HTTP 403. Coverage therefore represents the delivered gate page, not Yahoo News article/listing/search templates." }, "evidenceUsed": [ "screenshot", "DOM inspection", "evaluate probes", "layout metrics/CLS observer", "discoverability/raw HTML comparison", "DevTools trace", "HAR/network analysis", "headers", "cookies", "trackers", "secrets scan", "image audit", "axe-core 4.10.3", "heap summary", "Lighthouse attempted (blocked by HTTP 403)" ], "guidanceConsulted": [ "accessibility", "accessible-error-announcement", "adapt-scrollbar-to-contrast-preferences", "agentic-javascript-tools", "autofill-sign-in-form", "coordinate-global-events", "dark-mode", "declarative-dialog-popover-control", "deliver-optimized-decorative-images", "detect-initial-visibility-state", "fluid-scaling", "forms", "html", "identify-heavy-scripts", "light-dismiss-a-dialog", "manage-recurring-intervals", "optimize-image-priority", "passkeys", "performance", "position-aware-tooltips", "privacy", "same-document-transitions", "scroll-position-aware-elements", "search-hidden-content", "security", "support-global-calendar-systems", "validate-input-after-interaction" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "Desktop first viewport of the EEA/UK access notice", "condition": "viewport: 780x493", "findingIds": [ "F-CONTRAST" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "Mobile first viewport shows fluid single-column reflow", "condition": "viewport: 360x800", "findingIds": [ "F-MOBILE-A11Y" ] }, { "type": "layout", "path": "evidence/home-layout.json", "caption": "Desktop layout metrics: CLS 0.0159 and no horizontal overflow", "condition": "viewport: 780x493", "findingIds": [ "F-ASSET" ] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "Mobile layout metrics: no horizontal overflow and CLS 0", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "other", "path": "evidence/mobile-targets.json", "caption": "Mobile activation-area geometry for links and controls", "condition": "viewport: 360x800", "findingIds": [ "F-MOBILE-A11Y", "F-INPUT-TARGETS" ] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "Page remains light under a requested dark color scheme", "condition": "prefers-color-scheme: dark", "findingIds": [ "F-DARK" ] }, { "type": "screenshot", "path": "evidence/home-high-contrast.png", "caption": "Forced-colors rendering keeps text and links visible", "condition": "forced-colors: active; prefers-contrast: more", "findingIds": [] }, { "type": "other", "path": "evidence/preferences-probe.json", "caption": "Computed preference probe: color-scheme normal and no animations", "condition": "dark + reduced motion", "findingIds": [ "F-DARK" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "Rendered HTML and document structure for the access notice", "condition": "default", "findingIds": [ "F-RESOURCE-CHAIN", "F-STRUCTURE", "F-META", "F-LANG" ] }, { "type": "other", "path": "evidence/platform-probe.json", "caption": "Document metadata, focus, landmarks, and feature-use probe", "condition": "default", "findingIds": [ "F-INPUT-TARGETS", "F-META", "F-SHARE" ] }, { "type": "other", "path": "evidence/a11y-probe.json", "caption": "Names, headings, roles, image alt, and target geometry probe", "condition": "default", "findingIds": [ "F-STRUCTURE" ] }, { "type": "other", "path": "evidence/axe.json", "caption": "axe-core 4.10.3 accessibility results", "condition": "default", "findingIds": [ "F-MOBILE-A11Y", "F-CONTRAST", "F-STRUCTURE", "F-LANG" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "DevTools performance trace", "condition": "default", "findingIds": [ "F-PERF" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "Trace summary: LCP/FCP 2885 ms, TBT 0", "condition": "default", "findingIds": [ "F-PERF" ] }, { "type": "har", "path": "evidence/home.har", "caption": "HAR 1.2 network capture", "condition": "default", "findingIds": [] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "HAR summary: 9 requests, 73.7 KB, five parser-blocking stylesheets", "condition": "default", "findingIds": [ "F-PERF", "F-RESOURCE-CHAIN", "F-SUSTAINABLE-IMAGE" ] }, { "type": "other", "path": "evidence/headers.json", "caption": "Security response-header inspection", "condition": "default", "findingIds": [ "F-HEADERS" ] }, { "type": "other", "path": "evidence/cookies.json", "caption": "Cookie inspection found no cookies", "condition": "default", "findingIds": [] }, { "type": "other", "path": "evidence/trackers.json", "caption": "Third-party origin inspection found no known trackers", "condition": "default", "findingIds": [] }, { "type": "other", "path": "evidence/secrets.json", "caption": "Client-side secret scan found no credentials", "condition": "default", "findingIds": [] }, { "type": "other", "path": "evidence/images.json", "caption": "Image audit of the single logo asset", "condition": "default", "findingIds": [ "F-ASSET", "F-SUSTAINABLE-IMAGE" ] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "Raw HTML versus rendered DOM discoverability comparison", "condition": "JavaScript enabled/disabled", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "Browser-rendered notice", "condition": "JavaScript enabled", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "Crawler/no-JavaScript notice", "condition": "JavaScript disabled", "findingIds": [] }, { "type": "heap", "path": "evidence/home-heap.json", "caption": "Heap summary: 1.92 MB self size, 44,072 snapshot nodes", "condition": "single steady state", "findingIds": [] }, { "type": "other", "path": "evidence/i18n-probe.json", "caption": "Language, direction, date text, and CSS logical-property probe", "condition": "default", "findingIds": [ "F-LANG" ] }, { "type": "other", "path": "evidence/capabilities-probe.json", "caption": "Service worker, manifest, forms, scripts, permission, auth, and agent capability probe", "condition": "default", "findingIds": [] }, { "type": "other", "path": "evidence/error-route.json", "caption": "Unknown route also resolves to the geographic access notice", "condition": "non-existent path", "findingIds": [] }, { "type": "other", "path": "evidence/robots.txt", "caption": "Attempted robots.txt inspection; geographic gate returned the notice", "condition": "robots.txt", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap.txt", "caption": "Attempted sitemap inspection; geographic gate returned the notice", "condition": "sitemap.xml", "findingIds": [] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "Lighthouse attempt failed because the main document returned HTTP 403", "condition": "default", "findingIds": [] } ], "config": { "loaded": false }, "paths": [ { "id": "geo-notice", "description": "Delivered desktop EEA/UK geographic access notice; represents the only reachable template from this region.", "url": "https://news.yahoo.co.jp/", "conditions": [ "default", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "forced-colors: active", "JavaScript disabled" ], "result": "issues" }, { "id": "geo-notice-mobile", "description": "Narrow/reflowed form-factor condition for the delivered notice.", "url": "https://news.yahoo.co.jp/", "conditions": [ "viewport: 360x800", "touch target geometry" ], "result": "issues" }, { "id": "geo-error-route", "description": "Unknown-path/error-state probe; the geographic gate intercepted it with the same notice.", "url": "https://news.yahoo.co.jp/this-path-does-not-exist-web-uplift", "conditions": [ "default" ], "result": "pass" } ], "findings": [ { "id": "F-DARK", "severity": "medium", "confidence": "high", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "summary": "The notice ignores the user’s dark color-scheme preference.", "evidence": "The dark-mode screenshot is pixel-identical in palette to the light capture; the computed probe reports colorScheme \"normal\" and the white surface remains unchanged.", "artifacts": [ "evidence/home-dark.png", "evidence/preferences-probe.json" ], "suggestedFix": "Declare `color-scheme: light dark` and use preference-aware surface, text, link, and border colors as described by the dark-mode guidance.", "effort": "small", "pathId": "geo-notice", "url": "https://news.yahoo.co.jp/" }, { "id": "F-MOBILE-A11Y", "severity": "high", "confidence": "high", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Mobile zoom is disabled and many links have undersized activation areas.", "evidence": "axe reports a critical meta-viewport violation for `user-scalable=no`. The 360 px target probe measures many links at only 14–24 px high, including footer links at 14 px.", "artifacts": [ "evidence/axe.json", "evidence/mobile-targets.json", "evidence/home-mobile.png" ], "suggestedFix": "Remove `user-scalable=no`; preserve reflow at zoom and give standalone links a target area near 44×44 CSS px through padding or spacing without changing inline text-link semantics.", "effort": "small", "pathId": "geo-notice-mobile", "url": "https://news.yahoo.co.jp/" }, { "id": "F-INPUT-TARGETS", "severity": "medium", "confidence": "high", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Touch targets are too short even though keyboard focus remains visible.", "evidence": "At 360×800, the mobile probe reports service links at 21 px high and footer links at 14 px high; focused anchors use only the browser’s 1 px auto outline.", "artifacts": [ "evidence/mobile-targets.json", "evidence/platform-probe.json" ], "suggestedFix": "Increase target padding/spacing for standalone navigation links and add a clearly visible `:focus-visible` treatment while retaining non-hover affordances.", "effort": "small", "pathId": "geo-notice-mobile", "url": "https://news.yahoo.co.jp/" }, { "id": "F-PERF", "severity": "medium", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "performance", "summary": "The small static notice misses the good LCP threshold in the captured load.", "evidence": "The trace summary records FCP/LCP at 2885 ms. The HAR shows the 403 document taking 2181 ms and five parser-inserted stylesheets before the page is fully styled.", "artifacts": [ "evidence/home-trace-summary.json", "evidence/home-summary.json", "evidence/home-trace.json" ], "suggestedFix": "Reduce document latency, inline the tiny critical styles for this access notice, and defer or consolidate non-critical stylesheet/font work.", "effort": "medium", "pathId": "geo-notice", "url": "https://news.yahoo.co.jp/" }, { "id": "F-RESOURCE-CHAIN", "severity": "low", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-preload-priority", "guidanceCategory": "performance", "summary": "Five parser-blocking stylesheets and an icon font delay a 99-element static document.", "evidence": "The HAR summary identifies five parser-inserted stylesheet candidates and a 19,161-byte icon font; the DOM confirms these are ordinary stylesheet links without conditional loading.", "artifacts": [ "evidence/home-summary.json", "evidence/home-dom.json" ], "suggestedFix": "Consolidate and inline only critical notice-page CSS, remove unused icon-font delivery, and load any remaining non-critical styles without extending the critical chain.", "effort": "medium", "pathId": "geo-notice", "url": "https://news.yahoo.co.jp/" }, { "id": "F-CONTRAST", "severity": "high", "confidence": "high", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Blue links do not meet WCAG AA contrast against white.", "evidence": "axe reports 21 affected nodes. Link contrast is 4.04:1 or 4.17:1 where 4.5:1 is required, including the primary help and alternative-service links.", "artifacts": [ "evidence/axe.json", "evidence/home-desktop.png" ], "suggestedFix": "Use a darker link color that reaches at least 4.5:1 in every link style and verify normal, visited, hover, focus, and forced-color states.", "effort": "trivial", "pathId": "geo-notice", "url": "https://news.yahoo.co.jp/" }, { "id": "F-STRUCTURE", "severity": "medium", "confidence": "high", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "The document has no H1 and nests the contentinfo landmark inside main.", "evidence": "axe reports `page-has-heading-one` and `landmark-contentinfo-is-top-level`. The DOM heading sequence starts at H3, then moves to H2.", "artifacts": [ "evidence/axe.json", "evidence/home-dom.json", "evidence/a11y-probe.json" ], "suggestedFix": "Make the notice title the single H1, arrange subsequent headings hierarchically, and move the footer outside `
`.", "effort": "trivial", "pathId": "geo-notice", "url": "https://news.yahoo.co.jp/" }, { "id": "F-ASSET", "severity": "low", "confidence": "high", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "performance", "summary": "The only image is oversized and lacks an intrinsic height.", "evidence": "The image audit finds the logo’s 1933 px natural width displayed at 170 px, no height attribute, no srcset, and legacy PNG delivery. The page recorded a small CLS of 0.0159.", "artifacts": [ "evidence/images.json", "evidence/home-layout.json" ], "suggestedFix": "Export a right-sized WebP/AVIF or compact SVG logo, provide responsive sources if needed, and set both intrinsic width and height.", "effort": "small", "pathId": "geo-notice", "url": "https://news.yahoo.co.jp/" }, { "id": "F-META", "severity": "medium", "confidence": "high", "principleId": "be-discoverable", "principleCheckId": "title-and-description", "guidanceId": "html", "guidanceCategory": "html", "summary": "The notice has a descriptive title but no meta description.", "evidence": "The DOM and platform probe both report no `meta[name=\"description\"]`.", "artifacts": [ "evidence/platform-probe.json", "evidence/home-dom.json" ], "suggestedFix": "Add a concise Japanese/English-aware meta description that explains the regional availability notice and available alternatives.", "effort": "trivial", "pathId": "geo-notice", "url": "https://news.yahoo.co.jp/" }, { "id": "F-SHARE", "severity": "low", "confidence": "high", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "guidanceCategory": "html", "summary": "The public notice exposes no share-preview or structured metadata.", "evidence": "The metadata probe finds zero Open Graph tags and zero JSON-LD blocks despite the page containing dated notice articles.", "artifacts": [ "evidence/platform-probe.json" ], "suggestedFix": "Add accurate Open Graph/Twitter preview fields and, if treating this as a published notice, matching schema.org Article or WebPage JSON-LD.", "effort": "small", "pathId": "geo-notice", "url": "https://news.yahoo.co.jp/" }, { "id": "F-HEADERS", "severity": "high", "confidence": "high", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "summary": "The geographic-gate response omits several baseline browser security headers.", "evidence": "The headers primitive confirms HTTPS and X-Frame-Options: SAMEORIGIN, but finds no CSP, HSTS, X-Content-Type-Options, Referrer-Policy, or Permissions-Policy.", "artifacts": [ "evidence/headers.json" ], "suggestedFix": "Set HSTS, `X-Content-Type-Options: nosniff`, a restrictive CSP (including `frame-ancestors`), a privacy-preserving Referrer-Policy, and a minimal Permissions-Policy on the gate response.", "effort": "small", "pathId": "geo-notice", "url": "https://news.yahoo.co.jp/" }, { "id": "F-LANG", "severity": "high", "confidence": "high", "principleId": "be-internationalised", "principleCheckId": "lang-dir-and-logical-properties", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "The bilingual Japanese/English document does not declare its language.", "evidence": "Both the DOM and axe report that `` has no `lang`; the English article also has no local language annotation.", "artifacts": [ "evidence/axe.json", "evidence/i18n-probe.json", "evidence/home-dom.json" ], "suggestedFix": "Set `` and wrap the English section in an element with `lang=\"en\"`; add `dir` only where direction differs.", "effort": "trivial", "pathId": "geo-notice", "url": "https://news.yahoo.co.jp/" }, { "id": "F-SUSTAINABLE-IMAGE", "severity": "medium", "confidence": "high", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "performance", "summary": "The logo transfers far more source pixels than its rendered size needs.", "evidence": "The image primitive reports a 1933 px PNG rendered at 170 px, with no srcset or modern format. It transfers 13,018 bytes on a 73,701-byte page.", "artifacts": [ "evidence/images.json", "evidence/home-summary.json" ], "suggestedFix": "Serve a correctly sized modern-format asset (or SVG) and declare responsive/intrinsic dimensions.", "effort": "small", "pathId": "geo-notice", "url": "https://news.yahoo.co.jp/" } ], "taskList": [ { "id": "T-1", "title": "Restore browser-enforced security headers on the geographic-gate response", "priority": 1, "findingIds": [ "F-HEADERS" ], "guidanceId": "security", "status": "open" }, { "id": "T-2", "title": "Restore zoom, enlarge standalone targets, and strengthen focus treatment", "priority": 2, "findingIds": [ "F-MOBILE-A11Y", "F-INPUT-TARGETS" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T-3", "title": "Fix link contrast and repair heading/landmark semantics", "priority": 3, "findingIds": [ "F-CONTRAST", "F-STRUCTURE" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T-4", "title": "Declare Japanese and English language boundaries", "priority": 4, "findingIds": [ "F-LANG" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T-5", "title": "Reduce gate-page latency and collapse the render-blocking CSS/font chain", "priority": 5, "findingIds": [ "F-PERF", "F-RESOURCE-CHAIN" ], "guidanceId": "performance", "status": "open" }, { "id": "T-6", "title": "Add a preference-driven dark palette", "priority": 6, "findingIds": [ "F-DARK" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T-7", "title": "Right-size the logo and declare both intrinsic dimensions", "priority": 7, "findingIds": [ "F-ASSET", "F-SUSTAINABLE-IMAGE" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T-8", "title": "Add description and accurate share metadata to the access notice", "priority": 8, "findingIds": [ "F-META", "F-SHARE" ], "guidanceId": "html", "status": "open" } ], "budget": { "pathCount": 3, "auditPasses": 1 }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 56, "blocked": 2, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": false }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "issues", "confidence": "high", "method": "Dark emulation screenshot plus computed-style probe", "evidence": "Dark preference was active but color-scheme remained normal and the light palette did not retint.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-dark.png", "evidence/preferences-probe.json" ], "findingIds": [ "F-DARK" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "high", "method": "Reduced-motion emulation plus getAnimations()", "evidence": "The page has no scripts, no auto-advance, and getAnimations() returned an empty list under reduce.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/preferences-probe.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "Forced-colors/high-contrast screenshot", "evidence": "Text, links, rules, and focusable content remain visible in forced colors.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-high-contrast.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "not-applicable", "confidence": "high", "method": "DOM/CSS feature inspection", "evidence": "The delivered geographic notice has no same-document state change or same-origin route transition to animate.", "reason": "The delivered geographic notice has no same-document state change or same-origin route transition to animate." }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "CSS and script inspection", "evidence": "The notice has no scroll-linked animation, parallax, reveal, or scroll listener.", "reason": "The notice has no scroll-linked animation, parallax, reveal, or scroll listener." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "high", "method": "DOM/CSS/script inspection", "evidence": "The page uses native document scrolling and ordinary anchors with no custom pointer handlers that fight platform gestures.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/capabilities-probe.json", "evidence/home-dom.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "not-applicable", "confidence": "high", "method": "Scroll and DOM inspection", "evidence": "The single static notice has no sticky or affixed chrome whose state needs to react to scrolling.", "reason": "The single static notice has no sticky or affixed chrome whose state needs to react to scrolling." }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Overlay primitive and DOM inspection", "evidence": "No tooltip, popover, menu, or floating overlay exists on the delivered page.", "reason": "No tooltip, popover, menu, or floating overlay exists on the delivered page." }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Visual hierarchy, descriptive-link, and focus inspection", "evidence": "Clear headings, blue link styling, descriptive Japanese service/help labels, and visible browser focus direct attention without in-page jumps.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-desktop.png", "evidence/platform-probe.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "pass", "confidence": "high", "method": "Load screenshot and overlay probe", "evidence": "No popup, banner overlay, or interstitial obscures the notice.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-desktop.png", "evidence/capabilities-probe.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "not-applicable", "confidence": "high", "method": "DOM primitive inspection", "evidence": "No disclosure, transient overlay, modal flow, custom select, or rich control is present.", "reason": "No disclosure, transient overlay, modal flow, custom select, or rich control is present." }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "Desktop/mobile screenshots", "evidence": "The page is content-first with a compact brand header and simple cards; no app frame crowds the notice.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "high", "method": "Mobile layout metrics and screenshot", "evidence": "At 360 px the content reflows to one column; horizontalOverflowPx is 0 and viewport meta is present.", "pathIds": [ "geo-notice-mobile" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "not-applicable", "confidence": "high", "method": "Wide/narrow visual and CSS feature inspection", "evidence": "The notice has no reused component shown in independently sized containers; its single card context does not establish a container-query requirement.", "reason": "The notice has no reused component shown in independently sized containers; its single card context does not establish a container-query requirement." }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Mobile target geometry plus keyboard-focus probe", "evidence": "Multiple standalone links are only 14–24 px high; keyboard focus exists but is only the 1 px browser auto outline.", "pathIds": [ "geo-notice-mobile" ], "artifacts": [ "evidence/mobile-targets.json", "evidence/platform-probe.json" ], "findingIds": [ "F-INPUT-TARGETS" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "First-viewport screenshot and heading/link inspection", "evidence": "The page immediately explains the EEA/UK restriction and presents available services and help links.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-dom.json" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "blocked", "confidence": "high", "method": "Attempted homepage, robots, sitemap, and unknown-route navigation", "evidence": "The audit host is in a restricted region: every news route returns the same HTTP 403 geographic notice, so the representative news-reading flow and normal templates cannot be exercised.", "reason": "The audit host is in a restricted region: every news route returns the same HTTP 403 geographic notice, so the representative news-reading flow and normal templates cannot be exercised.", "artifacts": [ "evidence/home-summary.json", "evidence/error-route.json" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "Notice and error-route walkthrough", "evidence": "The restriction state is plainly stated in Japanese and English and provides alternative service and support links.", "pathIds": [ "geo-notice", "geo-error-route" ], "artifacts": [ "evidence/home-desktop.png", "evidence/error-route.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "DevTools trace plus layout observer", "evidence": "Lab LCP/FCP was 2885 ms, above the 2500 ms good threshold; CLS was low and TBT was zero.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-trace-summary.json", "evidence/home-layout.json" ], "findingIds": [ "F-PERF" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Desktop/mobile layout-shift observers", "evidence": "CLS measured 0.0159 desktop and 0 mobile, both in the good range.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-layout.json", "evidence/home-mobile-layout.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "Trace long-task analysis", "evidence": "The trace recorded no long tasks and 0 ms total blocking time.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "HAR initiator/priority analysis confirmed against DOM", "evidence": "Five ordinary parser-inserted stylesheet links are on the critical path; a 19 KB icon font is also fetched.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-dom.json" ], "findingIds": [ "F-RESOURCE-CHAIN" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "pass", "confidence": "high", "method": "HAR weight and script inspection", "evidence": "No JavaScript is shipped and the complete transfer is only 73.7 KB; there is no evidence of a large duplicate or legacy bundle.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-summary.json", "evidence/capabilities-probe.json" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "pass", "confidence": "high", "method": "axe-core plus DOM semantic probe", "evidence": "The image has alt text, all 20 links have text names, and no invalid roles or unlabeled form controls were found.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/axe.json", "evidence/a11y-probe.json" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "axe-core contrast analysis", "evidence": "axe identifies 21 blue link nodes at 4.04:1 or 4.17:1, below the 4.5:1 WCAG AA minimum.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/axe.json" ], "findingIds": [ "F-CONTRAST" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "axe-core, heading extraction, and focus styles", "evidence": "There is no H1, the sequence starts H3 then H2, and contentinfo is nested inside main; focus itself remains visible.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/axe.json", "evidence/a11y-probe.json", "evidence/platform-probe.json" ], "findingIds": [ "F-STRUCTURE" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "Desktop/mobile visual inspection", "evidence": "Body text reflows cleanly with comfortable line height and no clipping at desktop or 360 px.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "axe meta-viewport rule and mobile target geometry", "evidence": "user-scalable=no disables zoom; many standalone links are 14–24 px high.", "pathIds": [ "geo-notice-mobile" ], "artifacts": [ "evidence/axe.json", "evidence/mobile-targets.json" ], "findingIds": [ "F-MOBILE-A11Y" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "pass", "confidence": "high", "method": "Runtime surface and network inspection", "evidence": "The delivered page contains no scripts or inline handlers, so there is no page JavaScript capable of throwing; no failed subresource appears in the HAR.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/capabilities-probe.json", "evidence/home-summary.json" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "DOM, image, and layout inspection", "evidence": "Doctype and UTF-8 are valid, but the lone 1933 px PNG is displayed at 170 px and omits intrinsic height.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/images.json", "evidence/home-dom.json" ], "findingIds": [ "F-ASSET" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "pass", "confidence": "high", "method": "DOM/platform capability inspection", "evidence": "No scripts, deprecated API use, paste prevention, or load-time permission prompts were present on this notice.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/capabilities-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "issues", "confidence": "high", "method": "DOM metadata probe", "evidence": "The title is descriptive but meta description is absent.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/platform-probe.json", "evidence/home-dom.json" ], "findingIds": [ "F-META" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "pass", "confidence": "high", "method": "DOM link/viewport inspection", "evidence": "All 20 links have real href values with visible text, the viewport declares device width, and the rendered page reflows without horizontal overflow. Zoom policy is recorded separately under inclusion.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/platform-probe.json", "evidence/home-mobile-layout.json" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "blocked", "confidence": "high", "method": "Attempted status, canonical, robots.txt, and sitemap.xml inspection", "evidence": "The current region receives HTTP 403 and the geographic notice for the homepage, robots.txt, sitemap.xml, and unknown paths, so normal indexing policy and sitemap consistency cannot be determined.", "reason": "The current region receives HTTP 403 and the geographic notice for the homepage, robots.txt, sitemap.xml, and unknown paths, so normal indexing policy and sitemap consistency cannot be determined.", "artifacts": [ "evidence/home-summary.json", "evidence/robots.txt", "evidence/sitemap.txt" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "high", "method": "Open Graph and JSON-LD probe", "evidence": "The dated notice contains zero Open Graph tags and zero JSON-LD blocks.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/platform-probe.json" ], "findingIds": [ "F-SHARE" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Security header, cookie, and mixed-resource inspection", "evidence": "HTTPS is used and no cookies/mixed content were observed, but CSP, HSTS, and nosniff are absent.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F-HEADERS" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "pass", "confidence": "high", "method": "HAR, tracker, cookie, and secrets inspection", "evidence": "No cookies, known trackers, analytics calls, or exposed secrets were found; the only other origin is Yahoo’s static asset host.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/trackers.json", "evidence/cookies.json", "evidence/secrets.json", "evidence/home-summary.json" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "not-applicable", "confidence": "high", "method": "Permission/auth surface inspection", "evidence": "The geographic notice has no permission request or authentication surface on which passkey support can be judged.", "reason": "The geographic notice has no permission request or authentication surface on which passkey support can be judged." }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Response-header inspection", "evidence": "X-Frame-Options is present, but HSTS, CSP/frame-ancestors, Referrer-Policy, and Permissions-Policy are missing.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F-HEADERS" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "high", "method": "Raw HTML/rendered DOM comparison with JavaScript disabled", "evidence": "100% of rendered content tokens are present in raw HTML; the page has no JavaScript shell.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-crawler.png" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "DOM/script/overlay inspection", "evidence": "The static page has no fragile async dependency, overlay, menu, or client state; content remains available without scripts.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/capabilities-probe.json", "evidence/home-dom.json" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Manifest/service-worker inspection", "evidence": "The delivered surface is a static access notice rather than an app; installability and an offline app shell are not proportionate requirements for this page.", "reason": "The delivered surface is a static access notice rather than an app; installability and an offline app shell are not proportionate requirements for this page." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "HTTP 403 and unknown-route walkthrough", "evidence": "The server intentionally renders a complete explanatory notice with support links rather than a blank shell for the regional 403 state.", "pathIds": [ "geo-notice", "geo-error-route" ], "artifacts": [ "evidence/home-desktop.png", "evidence/error-route.json" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "issues", "confidence": "high", "method": "DOM/axe language and direction inspection", "evidence": "The bilingual document has no html lang and no language marker on its English section.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/axe.json", "evidence/i18n-probe.json" ], "findingIds": [ "F-LANG" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "high", "method": "Rendered Japanese/English date comparison", "evidence": "The fixed publication dates are rendered in conventional Japanese and English forms in their respective content sections; there is no dynamic numeric/currency input.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/i18n-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Content and data-type inspection", "evidence": "The notice contains calendar dates but no event time, recurring interval, deadline, or cross-zone timestamp.", "reason": "The notice contains calendar dates but no event time, recurring interval, deadline, or cross-zone timestamp." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "Visual and DOM review", "evidence": "The restriction is explained directly, alternatives are clearly labeled, and there is no consent wall, upsell, disguised ad, or forced continuity.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-dom.json" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "not-applicable", "confidence": "high", "method": "Form inspection", "evidence": "No form or editable input exists on the delivered notice.", "reason": "No form or editable input exists on the delivered notice." }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "not-applicable", "confidence": "high", "method": "Form/autocomplete inspection", "evidence": "No input exists on the delivered notice.", "reason": "No input exists on the delivered notice." }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "not-applicable", "confidence": "high", "method": "Commercial/auth flow inspection", "evidence": "No checkout, subscription, consent, authentication, or account-management flow is exposed by this notice.", "reason": "No checkout, subscription, consent, authentication, or account-management flow is exposed by this notice." }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Image natural/display size and transfer inspection", "evidence": "A 1933 px PNG is rendered at 170 px without responsive sources and accounts for 13 KB of the 73.7 KB page.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/images.json", "evidence/home-summary.json" ], "findingIds": [ "F-SUSTAINABLE-IMAGE" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "pass", "confidence": "high", "method": "Trace/network/background-work inspection", "evidence": "The page ships no JavaScript, performs only nine requests, and has no long tasks or background analytics.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-trace-summary.json", "evidence/trackers.json" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "pass", "confidence": "high", "method": "HAR and tracker inspection", "evidence": "There is no video/audio/autoplay or known tracker; total transfer is 73.7 KB and third-party traffic is limited to Yahoo static assets.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "DOM and capability inspection", "evidence": "The delivered notice exposes information and outbound links but no transactional capability for WebMCP or agentic tools; raw semantic content is already machine-readable.", "reason": "The delivered notice exposes information and outbound links but no transactional capability for WebMCP or agentic tools; raw semantic content is already machine-readable." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Feature-use and page-purpose inspection", "evidence": "On-device inference would not improve this fixed, short access notice; no summarization or language-model workflow is needed.", "reason": "On-device inference would not improve this fixed, short access notice; no summarization or language-model workflow is needed." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "not-applicable", "confidence": "high", "method": "Interaction inventory before heap capture", "evidence": "The static, script-free notice has no representative stateful interaction to repeat ten times; synthetic scrolling would not test a real allocation lifecycle.", "reason": "The static, script-free notice has no representative stateful interaction to repeat ten times; synthetic scrolling would not test a real allocation lifecycle." }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "pass", "confidence": "high", "method": "Heap summary plus DOM count", "evidence": "The steady-state heap summary is 1.92 MB self size with 44,072 snapshot nodes for a 99-element, script-free page, a proportionate footprint.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-heap.json", "evidence/platform-probe.json" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "high", "method": "Heap constructor and script/listener surface inspection", "evidence": "No Detached* constructor appears among retained constructors, and the page has no scripts, inline handlers, timers, or client observers that can accumulate.", "pathIds": [ "geo-notice" ], "artifacts": [ "evidence/home-heap.json", "evidence/capabilities-probe.json" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F-DARK" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "pass" }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "pass" }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "pass" }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F-INPUT-TARGETS" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "incomplete", "reason": "One or more checks were blocked by the regional HTTP 403 gate." }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F-PERF", "F-RESOURCE-CHAIN" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F-CONTRAST", "F-STRUCTURE", "F-MOBILE-A11Y" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F-ASSET" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F-META", "F-SHARE" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F-HEADERS" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "pass" }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "issues", "findingIds": [ "F-LANG" ] }, { "principleId": "be-trustworthy", "expectation": "default", "status": "pass" }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F-SUSTAINABLE-IMAGE" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "Both emerging agent-facing checks were judged not applicable to this static access notice." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "agent": "pi", "runId": "2026-07-28T08-32-59-935Z" }