{ "url": "https://weathernews.jp", "auditedAt": "2026-07-18T23:40:48.670Z", "mode": "report", "status": "completed", "statusDetail": "Coverage-complete agentic audit of five representative public templates plus a not-found recovery state.", "page": { "appType": "hybrid", "framework": "Legacy multi-page templates with Vue/jQuery utilities", "notes": "Public Japanese weather, radar, emergency, forecast, and news service. A Google Funding Choices consent wall appears on every fresh profile." }, "evidenceUsed": [ "screenshot", "DOM", "evaluate-probe", "layout-metrics", "trace", "HAR", "Lighthouse", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "raw HTTP robots/sitemap" ], "guidanceConsulted": [ "dark-mode", "accessibility", "performance", "privacy", "forms", "optimize-image-priority", "webmcp", "break-up-long-tasks", "identify-heavy-scripts", "light-dismiss-a-dialog", "visually-stable-font-fallbacks", "manage-recurring-intervals", "html", "fluid-scaling", "same-document-transitions", "size-aware-styling", "accessible-error-announcement", "security" ], "artifacts": [ { "type": "other", "path": "evidence/cookies.json", "caption": "cookies", "findingIds": [ "F11" ] }, { "type": "other", "path": "evidence/guidance-list.json", "caption": "guidance list", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-searches.txt", "caption": "guidance searches", "findingIds": [] }, { "type": "other", "path": "evidence/guide-accessibility.md", "caption": "guide accessibility", "findingIds": [] }, { "type": "other", "path": "evidence/guide-accessible-error-announcement.md", "caption": "guide accessible error announcement", "findingIds": [] }, { "type": "other", "path": "evidence/guide-break-up-long-tasks.md", "caption": "guide break up long tasks", "findingIds": [] }, { "type": "other", "path": "evidence/guide-dark-mode.md", "caption": "guide dark mode", "findingIds": [] }, { "type": "other", "path": "evidence/guide-fluid-scaling.md", "caption": "guide fluid scaling", "findingIds": [] }, { "type": "other", "path": "evidence/guide-forms.md", "caption": "guide forms", "findingIds": [] }, { "type": "other", "path": "evidence/guide-html.md", "caption": "guide html", "findingIds": [] }, { "type": "other", "path": "evidence/guide-identify-heavy-scripts.md", "caption": "guide identify heavy scripts", "findingIds": [] }, { "type": "other", "path": "evidence/guide-light-dismiss-dialog.md", "caption": "guide light dismiss dialog", "findingIds": [] }, { "type": "other", "path": "evidence/guide-manage-intervals.md", "caption": "guide manage intervals", "findingIds": [] }, { "type": "other", "path": "evidence/guide-optimize-image-priority.md", "caption": "guide optimize image priority", "findingIds": [] }, { "type": "other", "path": "evidence/guide-performance.md", "caption": "guide performance", "findingIds": [] }, { "type": "other", "path": "evidence/guide-privacy.md", "caption": "guide privacy", "findingIds": [] }, { "type": "other", "path": "evidence/guide-same-document-transitions.md", "caption": "guide same document transitions", "findingIds": [] }, { "type": "other", "path": "evidence/guide-size-aware-styling.md", "caption": "guide size aware styling", "findingIds": [] }, { "type": "other", "path": "evidence/guide-visual-stability.md", "caption": "guide visual stability", "findingIds": [] }, { "type": "other", "path": "evidence/guide-webmcp.md", "caption": "guide webmcp", "findingIds": [] }, { "type": "other", "path": "evidence/headers.json", "caption": "headers", "findingIds": [ "F11" ] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark", "findingIds": [ "F02" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop", "findingIds": [ "F01", "F02", "F12" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "home discoverability crawler", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "home discoverability rendered", "findingIds": [] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "home discoverability", "findingIds": [ "F13" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-forced-colors.png", "caption": "home forced colors", "findingIds": [ "F05" ] }, { "type": "other", "path": "evidence/home-images.json", "caption": "home images", "findingIds": [ "F04", "F09", "F15" ] }, { "type": "layout", "path": "evidence/home-layout-mobile.json", "caption": "home layout mobile", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-mobile-content.png", "caption": "home mobile content", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile", "findingIds": [ "F01", "F06" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "home summary", "findingIds": [ "F08", "F12", "F15" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary", "findingIds": [ "F07" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "home trace", "findingIds": [] }, { "type": "har", "path": "evidence/home.har", "caption": "home", "findingIds": [] }, { "type": "lighthouse", "path": "evidence/lighthouse-home.json", "caption": "lighthouse home", "findingIds": [] }, { "type": "lighthouse", "path": "evidence/lighthouse-summary.json", "caption": "lighthouse summary", "findingIds": [ "F04", "F05", "F06", "F07", "F08", "F09", "F10" ] }, { "type": "screenshot", "path": "evidence/not-found-mobile.png", "caption": "not found mobile", "findingIds": [ "F14" ] }, { "type": "other", "path": "evidence/not-found-probe.json", "caption": "not found probe", "findingIds": [] }, { "type": "other", "path": "evidence/platform-probe.json", "caption": "platform probe", "findingIds": [ "F03", "F08" ] }, { "type": "other", "path": "evidence/quake-meta.json", "caption": "quake meta", "findingIds": [] }, { "type": "screenshot", "path": "evidence/quake-mobile.png", "caption": "quake mobile", "findingIds": [ "F01" ] }, { "type": "screenshot", "path": "evidence/radar-discoverability-crawler.png", "caption": "radar discoverability crawler", "findingIds": [] }, { "type": "screenshot", "path": "evidence/radar-discoverability-rendered.png", "caption": "radar discoverability rendered", "findingIds": [] }, { "type": "discoverability", "path": "evidence/radar-discoverability.json", "caption": "radar discoverability", "findingIds": [ "F13" ] }, { "type": "heap", "path": "evidence/radar-heap-baseline.json", "caption": "radar heap baseline", "findingIds": [ "F16" ] }, { "type": "heap", "path": "evidence/radar-heap-post-valid.json", "caption": "radar heap post valid", "findingIds": [ "F16" ] }, { "type": "heap", "path": "evidence/radar-heap-post.json", "caption": "radar heap post", "findingIds": [] }, { "type": "screenshot", "path": "evidence/radar-mobile.png", "caption": "radar mobile", "findingIds": [ "F01", "F03" ] }, { "type": "other", "path": "evidence/recon-links.json", "caption": "recon links", "findingIds": [] }, { "type": "other", "path": "evidence/reduced-motion.json", "caption": "reduced motion", "findingIds": [] }, { "type": "other", "path": "evidence/secrets.json", "caption": "secrets", "findingIds": [] }, { "type": "screenshot", "path": "evidence/topics-discoverability-crawler.png", "caption": "topics discoverability crawler", "findingIds": [] }, { "type": "screenshot", "path": "evidence/topics-discoverability-rendered.png", "caption": "topics discoverability rendered", "findingIds": [] }, { "type": "discoverability", "path": "evidence/topics-discoverability.json", "caption": "topics discoverability", "findingIds": [ "F13" ] }, { "type": "other", "path": "evidence/topics-links.json", "caption": "topics links", "findingIds": [] }, { "type": "screenshot", "path": "evidence/topics-mobile.png", "caption": "topics mobile", "findingIds": [ "F01" ] }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers", "findingIds": [ "F12", "F15" ] }, { "type": "other", "path": "evidence/ui-probe-mobile.json", "caption": "ui probe mobile", "findingIds": [ "F04", "F06" ] }, { "type": "other", "path": "evidence/week-meta.json", "caption": "week meta", "findingIds": [] }, { "type": "screenshot", "path": "evidence/week-mobile.png", "caption": "week mobile", "findingIds": [ "F01", "F03" ] } ], "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": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F02.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-dark.png" ], "findingIds": [ "F02" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "Under prefers-reduced-motion: reduce, matchMedia was true and getAnimations() returned no active animations; no non-essential motion remained.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "The forced-colors: active and prefers-contrast: more screenshot retained visible text and controls; separate baseline contrast defects are recorded under be-inclusive.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F03.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/radar-mobile.png", "evidence/week-mobile.png" ], "findingIds": [ "F03" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon", "evidence": "No scroll-linked animation was present on representative templates, so there is no such implementation to assess.", "reason": "No scroll-linked animation was present on representative templates, so there is no such implementation to assess.", "pathIds": [ "home" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "Representative pages use normal document scrolling and conventional map controls without observed motion that fights scrolling.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "Representative mobile route screenshots expose breadcrumbs, labelled sections, and consistent header navigation that preserve orientation.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon", "evidence": "No site-owned tooltip, popover, or floating menu requiring anchored positioning was present in the representative first-load paths.", "reason": "No site-owned tooltip, popover, or floating menu requiring anchored positioning was present in the representative first-load paths.", "pathIds": [ "home" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "Representative mobile route screenshots expose breadcrumbs, labelled sections, and consistent header navigation that preserve orientation.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F01.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/radar-mobile.png", "evidence/week-mobile.png", "evidence/quake-mobile.png", "evidence/topics-mobile.png" ], "findingIds": [ "F01" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F01.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/radar-mobile.png", "evidence/week-mobile.png", "evidence/quake-mobile.png", "evidence/topics-mobile.png" ], "findingIds": [ "F01" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "After accounting for the separately reported consent wall, the weather templates devote the main region to forecast, alert, radar, and news content with purposeful chrome.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "At 360x800, layout reported scrollWidth=clientWidth=360 and zero horizontal overflow with a viewport meta present.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F03.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/radar-mobile.png", "evidence/week-mobile.png" ], "findingIds": [ "F03" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F06.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/ui-probe-mobile.json", "evidence/home-mobile.png" ], "findingIds": [ "F06" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "Titles, h1s, weather maps, radar, forecast and emergency links make the purpose and next weather-information action explicit on representative paths.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F01.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/radar-mobile.png", "evidence/week-mobile.png", "evidence/quake-mobile.png", "evidence/topics-mobile.png" ], "findingIds": [ "F01" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F14.", "pathIds": [ "home" ], "artifacts": [ "evidence/not-found-mobile.png" ], "findingIds": [ "F14" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F07.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F07" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "Mobile layout observation measured CLS 0.0916, within the good <=0.1 range, with no horizontal overflow.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F07.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F07" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F08.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-summary.json", "evidence/platform-probe.json" ], "findingIds": [ "F08" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F08.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-summary.json", "evidence/platform-probe.json" ], "findingIds": [ "F08" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F04.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-images.json", "evidence/ui-probe-mobile.json" ], "findingIds": [ "F04" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F05.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-forced-colors.png" ], "findingIds": [ "F05" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F04.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-images.json", "evidence/ui-probe-mobile.json" ], "findingIds": [ "F04" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "Representative screenshots show readable Japanese text layout and no horizontal clipping at 360 px.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F06.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/ui-probe-mobile.json", "evidence/home-mobile.png" ], "findingIds": [ "F06" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F10.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F10" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F09.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/lighthouse-summary.json" ], "findingIds": [ "F09" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F10.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F10" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "DOM/meta probes across homepage, weekly forecast, and earthquake pages found descriptive titles/descriptions, canonical links, real href links, JSON-LD and Open Graph metadata; robots.txt allows these public paths.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F06.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/ui-probe-mobile.json", "evidence/home-mobile.png" ], "findingIds": [ "F06" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "DOM/meta probes across homepage, weekly forecast, and earthquake pages found descriptive titles/descriptions, canonical links, real href links, JSON-LD and Open Graph metadata; robots.txt allows these public paths.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "DOM/meta probes across homepage, weekly forecast, and earthquake pages found descriptive titles/descriptions, canonical links, real href links, JSON-LD and Open Graph metadata; robots.txt allows these public paths.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F11.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F12.", "pathIds": [ "home" ], "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json", "evidence/home-desktop.png" ], "findingIds": [ "F12" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "Platform probe found no permission request signal on load; authentication is not part of the public representative paths.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F11.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F13.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/radar-discoverability.json", "evidence/topics-discoverability.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "Screenshots and DOM probes show stable route rendering and representative overlays remain inside the mobile viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon", "evidence": "Live forecasts, radar, and alerts are intrinsically network-dependent; a manifest exists, but full offline operation is not a reasonable requirement for this public real-time service.", "reason": "Live forecasts, radar, and alerts are intrinsically network-dependent; a manifest exists, but full offline operation is not a reasonable requirement for this public real-time service.", "pathIds": [ "home" ] }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F14.", "pathIds": [ "home" ], "artifacts": [ "evidence/not-found-mobile.png" ], "findingIds": [ "F14" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "The document declares lang=ja; representative pages render Japanese calendar/time labels, and network evidence includes dayjs UTC/timezone support for forecast data.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "The document declares lang=ja; representative pages render Japanese calendar/time labels, and network evidence includes dayjs UTC/timezone support for forecast data.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "The document declares lang=ja; representative pages render Japanese calendar/time labels, and network evidence includes dayjs UTC/timezone support for forecast data.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F01.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/radar-mobile.png", "evidence/week-mobile.png", "evidence/quake-mobile.png", "evidence/topics-mobile.png" ], "findingIds": [ "F01" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon", "evidence": "No user-submitted transactional form was part of the representative public weather paths.", "reason": "No user-submitted transactional form was part of the representative public weather paths.", "pathIds": [ "home" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "Representative public paths show no commercial continuity or account commitment; search/location controls use predictable native elements.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon", "evidence": "No checkout, subscription, authentication, or account-management flow was in the audited public scope.", "reason": "No checkout, subscription, authentication, or account-management flow was in the audited public scope.", "pathIds": [ "home" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F09.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/lighthouse-summary.json" ], "findingIds": [ "F09" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F15.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json", "evidence/home-images.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F15.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json", "evidence/home-images.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon", "evidence": "The public weather site does not declare an agent-facing capability surface; this emerging check is contextual.", "reason": "The public weather site does not declare an agent-facing capability surface; this emerging check is contextual.", "pathIds": [ "home" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon", "evidence": "No on-device inference use case is required for the site’s core forecast and safety-information tasks.", "reason": "No on-device inference use case is required for the site’s core forecast and safety-information tasks.", "pathIds": [ "home" ] }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "issues", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F16.", "pathIds": [ "home" ], "artifacts": [ "evidence/radar-heap-baseline.json", "evidence/radar-heap-post-valid.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, security, discoverability, or heap evidence", "evidence": "Direct evidence is documented in F16.", "pathIds": [ "home" ], "artifacts": [ "evidence/radar-heap-baseline.json", "evidence/radar-heap-post-valid.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "Check-specific screenshot, DOM/evaluate, Lighthouse, network, discoverability, or heap evidence", "evidence": "Baseline and post heap summaries contained no Detached constructor among retained constructor summaries; no direct detached-DOM growth was observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/ui-probe-mobile.json" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F02" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F03" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "pass" }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F01" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F03", "F06" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "issues", "findingIds": [ "F01", "F14" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F07", "F08" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F04", "F05", "F06" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F10", "F09" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F06" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F11", "F12" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F13", "F14" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F01" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F09", "F15" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "The public weather site does not declare an agent-facing capability surface; this emerging check is contextual. No on-device inference use case is required for the site’s core forecast and safety-information tasks." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F16" ] } ], "paths": [ { "id": "home", "description": "Homepage and primary weather overview; global header, consent, main forecast, navigation, preference and mobile conditions.", "url": "https://weathernews.jp/", "conditions": [ "1440x1000", "360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "forced-colors: active" ], "result": "issues" }, { "id": "radar", "description": "Interactive rain-radar archetype and repeated-scroll memory exercise.", "url": "https://weathernews.jp/onebox/radar/", "conditions": [ "360x800", "10 repeated full-page scroll cycles", "no-JavaScript crawler" ], "result": "issues" }, { "id": "week", "description": "Forecast listing/detail archetype with two-week tabular weather information.", "url": "https://weathernews.jp/onebox/tenki/week/", "conditions": [ "360x800" ], "result": "issues" }, { "id": "quake", "description": "Emergency-information archetype for time-sensitive earthquake content.", "url": "https://weathernews.jp/quake/", "conditions": [ "360x800" ], "result": "issues" }, { "id": "topics", "description": "News/content listing archetype and no-JavaScript crawler comparison.", "url": "https://weathernews.jp/s/topics/", "conditions": [ "360x800", "no-JavaScript crawler" ], "result": "issues" }, { "id": "not-found", "description": "Recovery state for an invalid public URL.", "url": "https://weathernews.jp/definitely-not-a-real-weather-page", "conditions": [ "360x800" ], "result": "issues" } ], "findings": [ { "id": "F01", "severity": "high", "confidence": "high", "summary": "A consent wall obscures every tested primary page on first load", "evidence": "Desktop and 360 px screenshots on the homepage, radar, forecast, earthquake, and news paths show a full-page modal before any weather content can be used. The first layer offers Consent and Manage options but no immediate reject action.", "suggestedFix": "Keep essential weather content available before consent; offer equally prominent accept and reject choices, and reserve a modal interruption only when legally necessary.", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "user-experience", "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/radar-mobile.png", "evidence/week-mobile.png", "evidence/quake-mobile.png", "evidence/topics-mobile.png" ], "effort": "medium", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F02", "severity": "medium", "confidence": "high", "summary": "The site ignores the user’s dark color-scheme preference", "evidence": "The default and prefers-color-scheme: dark screenshots are byte-identical (298,988 bytes), and the page remains a hard-coded light interface.", "suggestedFix": "Declare color-scheme: light dark and use system-driven theme tokens or light-dark() for surfaces, text, controls, and browser chrome.", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "artifacts": [ "evidence/home-desktop.png", "evidence/home-dark.png" ], "effort": "medium", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F03", "severity": "low", "confidence": "high", "summary": "Route changes have no transition continuity", "evidence": "The platform probe found no view-transition CSS and the site uses conventional full-document navigation across the representative forecast, radar, earthquake, and news routes.", "suggestedFix": "Add cross-document View Transitions for same-origin route changes with a no-motion fallback.", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "user-experience", "artifacts": [ "evidence/platform-probe.json", "evidence/radar-mobile.png", "evidence/week-mobile.png" ], "effort": "medium", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F04", "severity": "high", "confidence": "high", "summary": "Important images and links lack accessible names and document structure is malformed", "evidence": "Lighthouse accessibility scored 0.78 and failed image-alt, link-name, and listitem. The image probe counted 97 of 100 images without alt; Lighthouse identified news links with no discernible name and li elements outside lists.", "suggestedFix": "Give meaningful images concise alt text, decorative images alt=\"\", name icon-only and news links, and place list items in ul/ol/menu containers.", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-images.json", "evidence/ui-probe-mobile.json" ], "effort": "medium", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F05", "severity": "medium", "confidence": "high", "summary": "Weather labels and consent text fail minimum contrast", "evidence": "Lighthouse found ratios of 3.29–3.70:1 for date/tab labels that require 4.5:1, plus consent text as low as 1.82:1.", "suggestedFix": "Adjust text and surface tokens to meet WCAG AA in every state, then re-run contrast checks in default and forced-color modes.", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-forced-colors.png" ], "effort": "small", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F06", "severity": "high", "confidence": "high", "summary": "Mobile zoom is disabled and many controls are undersized", "evidence": "The page sends user-scalable=no and maximum-scale=1.0; Lighthouse failed meta-viewport. The mobile probe found many 30–36 px controls below a 44 px touch target.", "suggestedFix": "Remove user-scalable=no/maximum-scale, retain width=device-width, and enlarge or space touch targets to at least 44 CSS px where practical.", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "fluid-scaling", "guidanceCategory": "web-development", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/ui-probe-mobile.json", "evidence/home-mobile.png" ], "effort": "small", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F07", "severity": "high", "confidence": "high", "summary": "Lab performance misses the modern loading bar", "evidence": "Mobile Lighthouse performance was 0.57 with LCP 12.1 s, Speed Index 7.2 s, TBT 330 ms, and TTI 19.5 s. The desktop trace was healthier at LCP 1.49 s, showing a material device/network sensitivity.", "suggestedFix": "Prioritise the true LCP resource, defer non-critical scripts, and break long work into scheduled chunks; verify on mobile throttling.", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "performance", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "effort": "large", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F08", "severity": "high", "confidence": "high", "summary": "The critical path ships heavy, blocking, and weakly cached resources", "evidence": "The HAR recorded 176 requests and 3.22 MB transferred. Lighthouse estimated 693 KiB unused JS, 430 ms render-blocking savings, 1,521 KiB cache savings, and 847 KiB image savings. Parser-inserted jQuery and site scripts were confirmed without async/defer/module.", "suggestedFix": "Split and defer non-critical code, remove duplicate analytics bundles, consolidate critical CSS, set durable cache headers on versioned assets, and preload only the LCP asset.", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-summary.json", "evidence/platform-probe.json" ], "effort": "large", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F09", "severity": "medium", "confidence": "high", "summary": "Image markup and delivery waste bandwidth and risk shifts", "evidence": "The image audit found 58 images without dimensions, 15 oversized, 12 legacy-format images, and 8 without responsive sources; Lighthouse also failed unsized-images and estimated 847 KiB savings.", "suggestedFix": "Set width/height or aspect-ratio, emit responsive srcset/sizes, and serve appropriately compressed AVIF/WebP variants.", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "optimize-image-priority", "guidanceCategory": "performance", "artifacts": [ "evidence/home-images.json", "evidence/lighthouse-summary.json" ], "effort": "medium", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F10", "severity": "medium", "confidence": "high", "summary": "The page throws a production console error and uses deprecated unload handling", "evidence": "Lighthouse captured TypeError: googletag.pubads is not a function at the homepage and an unload listener from jQuery 3.0.0; the unload handler also blocks BFCache.", "suggestedFix": "Guard ad bootstrap ordering, update/remove obsolete jQuery integration, replace unload with pagehide/visibilitychange where needed, and restore BFCache eligibility.", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "html", "artifacts": [ "evidence/lighthouse-summary.json" ], "effort": "medium", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F11", "severity": "high", "confidence": "high", "summary": "Baseline browser security headers and secure cookie attributes are absent", "evidence": "The HTTPS document had no CSP, HSTS, nosniff, frame protection, Referrer-Policy, or Permissions-Policy. All seven observed first-party cookies lacked Secure and used SameSite=None.", "suggestedFix": "Add a nonce/hash-based CSP, HSTS, nosniff, frame-ancestors, strict referrer and permissions policies; mark HTTPS cookies Secure and choose Lax/Strict unless cross-site use is required.", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "effort": "medium", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F12", "severity": "high", "confidence": "high", "summary": "The first load has a disproportionate advertising and tracking footprint", "evidence": "The tracker audit saw 20 third-party origins and six known tracker domains. The consent UI lists 210 partners, while the HAR shows multiple Google Analytics/Tag Manager bundles plus PubMatic, DoubleClick, and Amazon ad traffic.", "suggestedFix": "Block non-essential vendors until an informed choice, minimise the vendor list, consolidate analytics, and batch only the measurements needed for declared purposes.", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "privacy", "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json", "evidence/home-desktop.png" ], "effort": "large", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F13", "severity": "high", "confidence": "high", "summary": "Core radar and news content collapses without JavaScript", "evidence": "Discoverability found only 6% raw/rendered word coverage for radar and 0% for news, classifying both as JS shells; homepage coverage was only 14% despite raw title and h1.", "suggestedFix": "Server-render current forecast, radar summary, emergency status, and article-list content; enhance interactive maps and filters after that baseline.", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "html", "guidanceCategory": "html", "artifacts": [ "evidence/home-discoverability.json", "evidence/radar-discoverability.json", "evidence/topics-discoverability.json" ], "effort": "large", "pathId": "topics", "url": "https://weathernews.jp/s/topics/" }, { "id": "F14", "severity": "medium", "confidence": "high", "summary": "The not-found state is a dead end", "evidence": "A deliberately invalid route returns a bare “404 Not Found” page with no site navigation, search, weather fallback, explanation in Japanese, or recovery link.", "suggestedFix": "Serve a branded, localized 404 with weather search, home/emergency links, and a clear explanation while preserving a real 404 status.", "principleId": "support-core-task-success", "principleCheckId": "clear-system-state-and-recovery", "guidanceId": "accessible-error-announcement", "guidanceCategory": "accessibility", "artifacts": [ "evidence/not-found-mobile.png" ], "effort": "small", "pathId": "not-found", "url": "https://weathernews.jp/definitely-not-a-real-weather-page" }, { "id": "F15", "severity": "medium", "confidence": "high", "summary": "The 3.22 MB first load is dominated by scripts, images, and ad technology", "evidence": "HAR totals were 1.39 MB script and 1.51 MB image across 176 requests; the largest scripts are ad bidding, DoubleClick, and three Google analytics/tag bundles.", "suggestedFix": "Set a per-template transfer budget, remove redundant tags, defer ads below core weather content, and optimise/cap live thumbnails.", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json", "evidence/home-images.json" ], "effort": "large", "pathId": "home", "url": "https://weathernews.jp/" }, { "id": "F16", "severity": "medium", "confidence": "medium", "summary": "The interactive radar starts with an unusually large DOM/heap footprint and grows after repeated scrolling", "evidence": "The baseline radar heap held 802,550 nodes and 44.6 MB self size. After ten end-to-end scroll cycles a fresh post snapshot held 832,244 nodes and 48.1 MB (+29,694 nodes, +3.50 MB). No Detached constructor appeared in the summaries, so leak attribution remains medium-confidence.", "suggestedFix": "Profile retained paths in one long-lived session, remove hidden CMP/vendor DOM after choice, virtualise or recycle map/list nodes, and clear observers/timers on teardown.", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "manage-recurring-intervals", "guidanceCategory": "javascript", "artifacts": [ "evidence/radar-heap-baseline.json", "evidence/radar-heap-post-valid.json" ], "effort": "large", "pathId": "radar", "url": "https://weathernews.jp/onebox/radar/" } ], "taskList": [ { "id": "T01", "title": "Make weather content available before consent and provide symmetric accept/reject choices", "priority": 1, "findingIds": [ "F01", "F12" ], "guidanceId": "privacy", "status": "open" }, { "id": "T02", "title": "Restore accessible names, semantics, zoom, targets, and contrast", "priority": 2, "findingIds": [ "F04", "F05", "F06" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T03", "title": "Reduce mobile LCP and the script/ad critical path", "priority": 3, "findingIds": [ "F07", "F08", "F15" ], "guidanceId": "identify-heavy-scripts", "status": "open" }, { "id": "T04", "title": "Deploy browser security policies and secure cookie attributes", "priority": 4, "findingIds": [ "F11" ], "guidanceId": "security", "status": "open" }, { "id": "T05", "title": "Server-render core weather, radar summaries, and news listings", "priority": 5, "findingIds": [ "F13" ], "guidanceId": "html", "status": "open" }, { "id": "T06", "title": "Optimise and dimension responsive images", "priority": 6, "findingIds": [ "F09" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T07", "title": "Profile and reduce radar/CMP memory retention", "priority": 7, "findingIds": [ "F16" ], "guidanceId": "manage-recurring-intervals", "status": "open" }, { "id": "T08", "title": "Add dark mode and route-transition continuity", "priority": 8, "findingIds": [ "F02", "F03" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T09", "title": "Fix production errors, BFCache, and the localized 404", "priority": 9, "findingIds": [ "F10", "F14" ], "guidanceId": "html", "status": "open" } ], "budget": { "pathCount": 6, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-18T23-40-48-670Z" }