{ "url": "https://sp.jra.jp", "auditedAt": "2026-07-18T12:07:19.514Z", "mode": "report", "status": "completed", "statusDetail": "Coverage complete. Public pages and the unauthenticated login edge were tested; authenticated wagering, destructive/account actions, localization variants and every individual race URL were intentionally not covered.", "page": { "appType": "mpa", "framework": "Legacy server-rendered MPA using jQuery, Slick and Swiper", "notes": "Japanese mobile JRA portal with public race information, extensive JS action navigation, separate account/wagering domain, and a promoted native app." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "layout-metrics", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "Lighthouse", "direct HTTP fetch" ], "guidanceConsulted": [ "accessibility", "accessible-error-announcement", "adapt-scrollbar-to-contrast-preferences", "agentic-forms", "agentic-javascript-tools", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "autofill-address-form", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "batch-analytics-events", "brand-consistent-forms", "branded-select-styling", "break-up-long-tasks", "calculate-event-differentials", "calculate-with-intrinsic-sizes", "capture-location-agnostic-data", "carousel-slide-effects", "carousel-snap-highlights", "component-specific-light-dark-theme", "consistent-cross-document-transitions", "coordinate-global-events", "cross-document-transitions", "css", "css-layout", "dark-mode", "declarative-button-actions", "declarative-dialog-popover-control", "defer-rendering-heavy-content", "deliver-optimized-decorative-images", "deprioritize-background-fetches", "detect-initial-visibility-state", "directional-navigation-transitions", "efficient-background-processing", "faster-spa-view-transitions", "fluid-scaling", "forms", "full-session-analytics", "group-element-transitions", "highlight-text-ranges", "html", "identify-heavy-scripts", "identify-inp-causes", "improve-text-layout-and-legibility", "interactive-content-reveal", "interest-triggered-action-previews", "interest-triggered-tooltips", "language-detection", "language-model", "light-dismiss-a-dialog", "manage-recurring-intervals", "model-partial-time-concepts", "move-dom-element-without-losing-state", "navigation-drawer", "optimize-image-priority", "optimize-preload-priority", "optimize-script-priority", "parallax-scroll-effects", "passkey-authentication", "passkey-conditional-create", "passkey-management", "passkey-reauthentication", "passkey-registration", "passkeys", "performance", "persistent-app-tours", "persistent-toast-notifications", "persistent-top-layer-ui", "physics-based-easing", "position-aware-tooltips", "precise-text-alignment", "privacy", "pull-to-reveal", "reduce-style-repetition", "required-field-feedback", "resilient-context-menus-and-nested-dropdowns", "resolution-optimized-pseudo-elements", "same-document-transitions", "schedule-tasks-by-priority", "scroll-entry-exit-effects", "scroll-position-aware-elements", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "scrollability-affordance-hints", "scrollytelling", "search-hidden-content", "security", "select-menu-interaction", "sequence-distributed-events", "shaped-cutouts", "shrinking-header-on-scroll", "size-aware-styling", "stabilize-reactive-state", "stack-drill-down", "style-parent-with-has", "summarizer", "support-global-calendar-systems", "swipe-to-remove", "translator", "validate-input-after-interaction", "visually-stable-font-fallbacks", "visually-stable-mixed-fonts", "webmcp" ], "artifacts": [ { "type": "dom", "path": "evidence/404-dom.json", "caption": "404 dom evidence", "findingIds": [ "F08", "F24" ] }, { "type": "screenshot", "path": "evidence/404-mobile.png", "caption": "404 mobile evidence", "findingIds": [ "F08", "F24" ] }, { "type": "dom", "path": "evidence/app-dom.json", "caption": "app dom evidence", "findingIds": [] }, { "type": "screenshot", "path": "evidence/app-mobile.png", "caption": "app mobile evidence", "findingIds": [] }, { "type": "other", "path": "evidence/cookies.json", "caption": "cookies evidence", "findingIds": [ "F19" ] }, { "type": "screenshot", "path": "evidence/discoverability-crawler.png", "caption": "discoverability crawler evidence", "findingIds": [ "F23" ] }, { "type": "screenshot", "path": "evidence/discoverability-rendered.png", "caption": "discoverability rendered evidence", "findingIds": [] }, { "type": "discoverability", "path": "evidence/discoverability.json", "caption": "discoverability evidence", "findingIds": [ "F23" ] }, { "type": "other", "path": "evidence/document-probe.json", "caption": "document probe evidence", "findingIds": [ "F17", "F18" ] }, { "type": "other", "path": "evidence/headers.json", "caption": "headers evidence", "findingIds": [ "F19", "F22" ] }, { "type": "heap", "path": "evidence/heap-baseline.json", "caption": "heap baseline evidence", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-post-menu.json", "caption": "heap post menu evidence", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-dark-mobile.png", "caption": "home dark mobile evidence", "findingIds": [ "F01" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop evidence", "findingIds": [] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom evidence", "findingIds": [ "F03", "F10", "F16", "F23" ] }, { "type": "screenshot", "path": "evidence/home-forced-colors.png", "caption": "home forced colors evidence", "findingIds": [] }, { "type": "layout", "path": "evidence/home-layout-mobile.json", "caption": "home layout mobile evidence", "findingIds": [ "F04" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile evidence", "findingIds": [ "F05", "F07" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "home summary evidence", "findingIds": [ "F10", "F11", "F20", "F26", "F28" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary evidence", "findingIds": [ "F09" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "home trace evidence", "findingIds": [ "F09" ] }, { "type": "har", "path": "evidence/home.har", "caption": "home evidence", "findingIds": [ "F10", "F20", "F28" ] }, { "type": "other", "path": "evidence/images.json", "caption": "images evidence", "findingIds": [ "F10", "F15", "F26" ] }, { "type": "dom", "path": "evidence/ipat-dom.json", "caption": "ipat dom evidence", "findingIds": [ "F21", "F25" ] }, { "type": "other", "path": "evidence/ipat-form-probe.json", "caption": "ipat form probe evidence", "findingIds": [] }, { "type": "screenshot", "path": "evidence/ipat-login-mobile.png", "caption": "ipat login mobile evidence", "findingIds": [ "F21", "F25" ] }, { "type": "dom", "path": "evidence/leading-dom.json", "caption": "leading dom evidence", "findingIds": [] }, { "type": "layout", "path": "evidence/leading-layout.json", "caption": "leading layout evidence", "findingIds": [] }, { "type": "screenshot", "path": "evidence/leading-mobile.png", "caption": "leading mobile evidence", "findingIds": [ "F07" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "lighthouse evidence", "findingIds": [ "F06", "F09", "F11", "F12", "F13", "F14", "F15", "F16" ] }, { "type": "other", "path": "evidence/manifest.webmanifest", "caption": "manifest evidence", "findingIds": [] }, { "type": "screenshot", "path": "evidence/menu-open.png", "caption": "menu open evidence", "findingIds": [] }, { "type": "other", "path": "evidence/platform-probe.json", "caption": "platform probe evidence", "findingIds": [ "F01", "F03", "F04", "F06", "F07", "F16" ] }, { "type": "other", "path": "evidence/pwa-probe.json", "caption": "pwa probe evidence", "findingIds": [] }, { "type": "screenshot", "path": "evidence/racecard-mobile.png", "caption": "racecard mobile evidence", "findingIds": [] }, { "type": "other", "path": "evidence/recon.json", "caption": "recon evidence", "findingIds": [ "F13" ] }, { "type": "other", "path": "evidence/reduced-motion-carousel.json", "caption": "reduced motion carousel evidence", "findingIds": [ "F02", "F27" ] }, { "type": "other", "path": "evidence/robots-headers.txt", "caption": "robots headers evidence", "findingIds": [ "F17" ] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots evidence", "findingIds": [ "F17" ] }, { "type": "screenshot", "path": "evidence/search-open.png", "caption": "search open evidence", "findingIds": [] }, { "type": "other", "path": "evidence/secrets.json", "caption": "secrets evidence", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "sitemap evidence", "findingIds": [ "F17" ] }, { "type": "dom", "path": "evidence/thisweek-dom.json", "caption": "thisweek dom evidence", "findingIds": [] }, { "type": "screenshot", "path": "evidence/thisweek-mobile.png", "caption": "thisweek mobile evidence", "findingIds": [] }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers evidence", "findingIds": [ "F20", "F27" ] } ], "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", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The dark-emulated screenshot is visually identical to the light mobile page, and the platform probe found no color-scheme declaration or prefers-color-scheme rule.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark-mobile.png", "evidence/platform-probe.json" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "Under prefers-reduced-motion: reduce, the active hero changed from 2026_jra-summercp-2026-3.webp to 2026_sumahokeiba.webp after six seconds.", "pathIds": [ "home" ], "artifacts": [ "evidence/reduced-motion-carousel.json" ], "findingIds": [ "F02" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "Forced-colors screenshot retains visible white/yellow text, controls and boundaries on black, and CSS includes contrast/forced-color handling.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-forced-colors.png", "evidence/platform-probe.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The computed CSS corpus contains no view-transition usage; public race links navigate through legacy POST/JS actions.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/home-dom.json" ], "findingIds": [ "F03" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across representative paths.", "evidence": "The audited templates use no scroll-linked storytelling, parallax, reveal, or carousel-scroll effect to implement.", "reason": "The audited templates use no scroll-linked storytelling, parallax, reveal, or carousel-scroll effect to implement." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "The horizontal quick navigation uses scroll-snap and native overflow; CSS probe found scroll-snap support and no evidence of pointermove-driven gesture replacement.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/home-mobile.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The homepage is 6,014 CSS pixels tall, while CSS inspection found no scroll-state container-query or scroll-timeline implementation.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-layout-mobile.json", "evidence/platform-probe.json" ], "findingIds": [ "F04" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across representative paths.", "evidence": "No edge-attached tooltip or popover was exposed in the representative public paths; the full-screen search/menu controls are not anchored overlays.", "reason": "No edge-attached tooltip or popover was exposed in the representative public paths; the full-screen search/menu controls are not anchored overlays." }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "The race detail page exposes a breadcrumb, active section/date and strongly labelled cards that preserve orientation.", "pathIds": [ "home" ], "artifacts": [ "evidence/thisweek-mobile.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The 360x800 screenshot shows “はじめての方へ” and “JRAアプリ” bars stacked across the bottom, each covering content until separately dismissed.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ], "findingIds": [ "F05" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "DOM/CSS probing found 0 dialog, 0 popover and 0 details elements, 26 custom role=button elements, and 31 href=\"#\" anchors; Lighthouse also found malformed ARIA relationships.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/lighthouse.json" ], "findingIds": [ "F06" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "Outside the two promotional bars, content uses a compact header and content-first cards without decorative application frames.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/thisweek-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "At 360px both homepage and listing report scrollWidth=clientWidth=360 and zero horizontal overflow; viewport meta is present.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-layout-mobile.json", "evidence/leading-layout.json", "evidence/home-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "Both tested templates fit 360px without overflow, but the CSS corpus contains no @container rules despite reused cards, tabs and navigation modules.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/home-mobile.png", "evidence/leading-mobile.png" ], "findingIds": [ "F07" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "Mobile controls are generally large, and the keyboard focus probe showed a visible 1px auto outline on the skip link.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/home-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "The first viewport clearly brands JRA and exposes race cards, odds, results, wagering login and featured race content.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/thisweek-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "The public race-information journey reaches the current-race detail hub and its entry-card/data-analysis actions; the separate authenticated wagering flow was intentionally not entered.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/thisweek-mobile.png", "evidence/ipat-login-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "A missing route renders Japanese text saying access is forbidden plus “(403:FORBIDDEN)”, with no retry, search, homepage CTA, or contextual explanation in the main error area.", "pathIds": [ "error" ], "artifacts": [ "evidence/404-mobile.png", "evidence/404-dom.json" ], "findingIds": [ "F08" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "Lighthouse measured FCP 5.6s, LCP 14.1s, Speed Index 12.6s and TTI 20.6s (performance 0.51); the independent trace measured FCP 4.16s and LCP 5.74s. CLS remained good.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json", "evidence/home-trace.json" ], "findingIds": [ "F09" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "Mobile layout CLS was 0.0066 on the homepage and 0.0006 on the listing, both comfortably in the good range.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-layout-mobile.json", "evidence/leading-layout.json", "evidence/lighthouse.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "The independent trace found one 99.5ms long task and 49.5ms TBT; Lighthouse TBT was 260ms, indicating network/LCP rather than sustained main-thread blocking is the primary bottleneck.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json", "evidence/lighthouse.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "HAR recorded 156 requests and 4.74MB transferred, including 110 images/3.60MB; 9 parser-inserted stylesheets and a synchronous head script were render-blocking candidates. All 100 inspected images lacked width/height and 52 below-fold images lacked lazy loading.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/images.json", "evidence/home-dom.json" ], "findingIds": [ "F10" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "Lighthouse estimated 301KiB unused JavaScript and 37KiB unused CSS; multiple GTM/gtag bundles and Facebook scripts dominate the waste.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-summary.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "Lighthouse accessibility was 0.84 and found prohibited aria-label on roleless divs, tabs without the required tablist parent, a tablist with invalid children, visible-label/name mismatches, and orphaned list items.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F12" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "Lighthouse colour-contrast audit passed and forced-colors rendering remained legible.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-forced-colors.png" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "Lighthouse found no main landmark; DOM inspection shows the H1 contains only the logo image and key content starts at H2. Focus itself was visibly outlined.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/recon.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "Across homepage, listing and race detail, Japanese text reflows without clipping and uses readable line spacing and hierarchy at 360px.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/leading-mobile.png", "evidence/thisweek-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "Viewport allows scaling, both measured templates reflow without horizontal overflow, and no essential audio/video requiring captions appeared in the tested path.", "pathIds": [ "home" ], "artifacts": [ "evidence/document-probe.json", "evidence/home-layout-mobile.json", "evidence/leading-layout.json" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "Lighthouse recorded refusal to execute pp.d2-apps.net’s image/gif response as JavaScript.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F14" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The images primitive found 100/100 images without width/height; Lighthouse found carousel pager images displayed at 8x5 despite 10x10 source aspect ratio.", "pathIds": [ "home" ], "artifacts": [ "evidence/images.json", "evidence/lighthouse.json" ], "findingIds": [ "F15" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "Lighthouse exposed no deprecated-API, geolocation/notification-on-load or paste-prevention failure; inspector cookie issues are reported under security.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/platform-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "Homepage has a descriptive Japanese title and meta description; app page also has specific title/description.", "pathIds": [ "home" ], "artifacts": [ "evidence/document-probe.json", "evidence/app-dom.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The rendered DOM contains 31 href=\"#\" anchors; race card, odds and results use onclick POST actions. Lighthouse also flagged generic link text.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json", "evidence/home-dom.json", "evidence/lighthouse.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "Direct requests to /robots.txt and /sitemap.xml returned 403 and the homepage HTML; the mobile homepage canonical also points to https://www.jra.go.jp/ rather than its fetched URL.", "pathIds": [ "home" ], "artifacts": [ "evidence/robots-headers.txt", "evidence/robots.txt", "evidence/sitemap.xml", "evidence/document-probe.json" ], "findingIds": [ "F17" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The document probe found complete basic Open Graph fields but zero JSON-LD blocks.", "pathIds": [ "home" ], "artifacts": [ "evidence/document-probe.json" ], "findingIds": [ "F18" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "HTTPS/HSTS/nosniff/frame protection are present, but CSP is absent. All 7 observed first-party cookies lacked Secure; 5 used SameSite=None and two analytics cookies persist for 400 days.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F19" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The page contacted 13 third-party origins and five known tracker domains; 26 third-party requests transferred 776KB, including Google, DoubleClick, Facebook, Yahoo and D2 tags.", "pathIds": [ "home" ], "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json", "evidence/home.har" ], "findingIds": [ "F20" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The IPAT login screenshot shows three knowledge-factor fields and no passkey/WebAuthn route. No permission prompt fired on the public homepage.", "pathIds": [ "login" ], "artifacts": [ "evidence/ipat-login-mobile.png", "evidence/ipat-dom.json" ], "findingIds": [ "F21" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "Headers inspection found no Referrer-Policy or Permissions-Policy; CSP/frame-ancestors is also absent on the main document, although X-Frame-Options SAMEORIGIN is present.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "Although 94% of rendered content words occur in raw HTML, primary race-card/odds/result anchors have href=\"#\" and onclick doAction handlers, so those journeys disappear without scripting.", "pathIds": [ "home" ], "artifacts": [ "evidence/discoverability.json", "evidence/discoverability-crawler.png", "evidence/home-dom.json" ], "findingIds": [ "F23" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "The tested content/list templates loaded to stable, navigable states without clipped overlays or blank shells.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/leading-mobile.png", "evidence/thisweek-mobile.png" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across representative paths.", "evidence": "This public information portal links to a separately distributed native app; offline/installability is not required for the representative web task. The manifest contains only display: browser and no service worker is registered.", "reason": "This public information portal links to a separately distributed native app; offline/installability is not required for the representative web task. The manifest contains only display: browser and no service worker is registered." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The synthetic missing path displays a raw 403 label without contextual recovery controls, despite global footer links.", "pathIds": [ "error" ], "artifacts": [ "evidence/404-mobile.png", "evidence/404-dom.json" ], "findingIds": [ "F24" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "All inspected pages declare lang=ja, and the computed CSS corpus uses logical inline/block properties.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json", "evidence/platform-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "Visible dates use conventional Japanese year/month/day forms (for example 2026年7月18日 and 7月18日〜7月19日) consistently across templates.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/thisweek-mobile.png" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across representative paths.", "evidence": "No rendered event times, cross-zone scheduling controls, or user-entered time concepts appeared in the representative paths.", "reason": "No rendered event times, cross-zone scheduling controls, or user-entered time concepts appeared in the representative paths." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "No confirmshaming, forced continuity, disguised advertising or irreversible choice was observed in the representative public journey; promotional bars are explicitly dismissible.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/ipat-login-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across representative paths.", "evidence": "The audited public site exposes only an unconstrained search field; no validation-required data-entry form was available before authentication.", "reason": "The audited public site exposes only an unconstrained search field; no validation-required data-entry form was available before authentication." }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "IPAT DOM inspection found visible userid, password and P-ARS inputs with no name or autocomplete tokens; the screenshot confirms these are the core sign-in fields.", "pathIds": [ "login" ], "artifacts": [ "evidence/ipat-dom.json", "evidence/ipat-login-mobile.png" ], "findingIds": [ "F25" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "The public IPAT entry clearly labels its three credentials, login, registration and help links; authenticated betting, commitment and cancellation states were not entered.", "pathIds": [ "home" ], "artifacts": [ "evidence/ipat-login-mobile.png" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The homepage transferred 3.60MB across 110 images; 43 images use legacy formats, 39 lack responsive sources, 13 are oversized, and a promotional PNG alone is 442KB.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/images.json" ], "findingIds": [ "F26" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "The hero kept auto-advancing under reduced motion and 13 third-party origins initiated tracking/network work on page load.", "pathIds": [ "home" ], "artifacts": [ "evidence/reduced-motion-carousel.json", "evidence/trackers.json" ], "findingIds": [ "F27" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "confidence": "high", "status": "issues", "method": "Direct visual/objective inspection using the artifacts listed.", "evidence": "HAR measured 4.74MB total, 776KB third party, 3.60MB images and 884KB scripts on one homepage load.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "findingIds": [ "F28" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across representative paths.", "evidence": "Agent-facing capabilities are emerging and no declared WebMCP/agentic-commerce intent exists; public content remains available in raw HTML.", "reason": "Agent-facing capabilities are emerging and no declared WebMCP/agentic-commerce intent exists; public content remains available in raw HTML." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across representative paths.", "evidence": "No summarisation, generation, or language-model task is part of the representative public journeys, so on-device inference would not add clear value.", "reason": "No summarisation, generation, or language-model task is part of the representative public journeys, so on-device inference would not add clear value." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "After ten menu open/close cycles, heap self-size rose about 0.59MB (2.8%); closure count fell slightly and arrays stayed flat, with no Detached constructor in either summary. This does not indicate unbounded retained growth.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post-menu.json" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "The dense portal used about 20.7–21.2MB heap with 2,244 DOM elements, proportionate to its large navigation/content surface though worth monitoring.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post-menu.json", "evidence/platform-probe.json" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "confidence": "high", "status": "pass", "method": "Direct DOM, visual, Lighthouse, network or runtime inspection as appropriate to this check.", "evidence": "Neither heap summary listed Detached constructors, and repeated toggling did not increase closures (15,911 to 15,907).", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post-menu.json" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F01", "F02" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F03" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F04" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F05", "F06" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F07" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "issues", "findingIds": [ "F08" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F09", "F10", "F11" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F12", "F13" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F14", "F15" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F16", "F17", "F18" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F19", "F20", "F21", "F22" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F23", "F24" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F25" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F26", "F27", "F28" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "All checks were judged not applicable for this site and declared scope." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "home", "description": "Public mobile race-information homepage and navigation hub; represents the highest-traffic entry template.", "url": "https://sp.jra.jp/", "conditions": [ "desktop 1440x900", "mobile 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "forced-colors: active", "keyboard focus" ], "result": "issues" }, { "id": "leading", "description": "Leading-information listing; represents compact data/list templates.", "url": "https://sp.jra.jp/datafile/leading/", "conditions": [ "mobile 360x800" ], "result": "issues" }, { "id": "thisweek", "description": "Featured-race detail hub; represents the public race-detail journey.", "url": "https://sp.jra.jp/keiba/thisweek/", "conditions": [ "mobile 360x800" ], "result": "issues" }, { "id": "app", "description": "JRA app landing page; represents promotional content and download conversion.", "url": "https://sp.jra.jp/app/index.html", "conditions": [ "mobile 360x800" ], "result": "issues" }, { "id": "login", "description": "Linked IPAT login entry; represents the public edge of the wagering/account journey. No authenticated wagering was attempted.", "url": "https://www.ipat.jra.go.jp/sp/", "conditions": [ "mobile 360x800", "DOM/form inspection" ], "result": "issues" }, { "id": "error", "description": "Synthetic missing route used to inspect HTTP failure and recovery behaviour.", "url": "https://sp.jra.jp/__web_uplift_missing__", "conditions": [ "mobile 360x800" ], "result": "issues" } ], "findings": [ { "id": "F01", "severity": "medium", "confidence": "high", "summary": "The site does not adapt to the user’s dark colour-scheme preference.", "evidence": "The dark-emulated screenshot is visually identical to the light mobile page, and the platform probe found no color-scheme declaration or prefers-color-scheme rule.", "suggestedFix": "Declare color-scheme and provide preference-driven dark surface, text, border, and media treatments with light-dark() or a prefers-color-scheme fallback.", "effort": "medium", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "artifacts": [ "evidence/home-dark-mobile.png", "evidence/platform-probe.json" ] }, { "id": "F02", "severity": "high", "confidence": "high", "summary": "The autoplay hero continues changing when reduced motion is requested.", "evidence": "Under prefers-reduced-motion: reduce, the active hero changed from 2026_jra-summercp-2026-3.webp to 2026_sumahokeiba.webp after six seconds.", "suggestedFix": "Disable autoplay and non-essential transitions under prefers-reduced-motion: reduce, while retaining explicit previous/next controls.", "effort": "small", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "artifacts": [ "evidence/reduced-motion-carousel.json" ] }, { "id": "F03", "severity": "low", "confidence": "high", "summary": "State and route changes use abrupt legacy swaps rather than View Transitions.", "evidence": "The computed CSS corpus contains no view-transition usage; public race links navigate through legacy POST/JS actions.", "suggestedFix": "Use same-document or cross-document View Transitions for menu, tab, and route changes, with a reduced-motion fallback.", "effort": "medium", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "user-experience", "artifacts": [ "evidence/platform-probe.json", "evidence/home-dom.json" ] }, { "id": "F04", "severity": "low", "confidence": "high", "summary": "The long page has no scroll-state-aware navigation or progress affordance.", "evidence": "The homepage is 6,014 CSS pixels tall, while CSS inspection found no scroll-state container-query or scroll-timeline implementation.", "suggestedFix": "Let the header compact after scrolling and expose useful section/position feedback without covering content.", "effort": "medium", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "shrinking-header-on-scroll", "guidanceCategory": "user-experience", "artifacts": [ "evidence/home-layout-mobile.json", "evidence/platform-probe.json" ] }, { "id": "F05", "severity": "medium", "confidence": "high", "summary": "Two fixed promotional banners reduce the usable mobile viewport on first load.", "evidence": "The 360x800 screenshot shows “はじめての方へ” and “JRAアプリ” bars stacked across the bottom, each covering content until separately dismissed.", "suggestedFix": "Avoid showing both promotions together; defer them until relevant and provide one clear, accessible light-dismiss action.", "effort": "small", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "user-experience", "artifacts": [ "evidence/home-mobile.png" ] }, { "id": "F06", "severity": "high", "confidence": "high", "summary": "Interactive overlays and controls are built from custom divs and hash links rather than native primitives.", "evidence": "DOM/CSS probing found 0 dialog, 0 popover and 0 details elements, 26 custom role=button elements, and 31 href=\"#\" anchors; Lighthouse also found malformed ARIA relationships.", "suggestedFix": "Use button elements for actions, dialog for modal search, popover for transient UI, and details/summary for disclosures; rely on native focus and dismissal.", "effort": "large", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "user-experience", "artifacts": [ "evidence/platform-probe.json", "evidence/lighthouse.json" ] }, { "id": "F07", "severity": "low", "confidence": "high", "summary": "Responsive behaviour is viewport-only rather than component-aware.", "evidence": "Both tested templates fit 360px without overflow, but the CSS corpus contains no @container rules despite reused cards, tabs and navigation modules.", "suggestedFix": "Add containment and size/container queries where reusable modules change layout based on available space.", "effort": "medium", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "user-experience", "artifacts": [ "evidence/platform-probe.json", "evidence/home-mobile.png", "evidence/leading-mobile.png" ] }, { "id": "F08", "severity": "medium", "confidence": "high", "summary": "Failure states expose terse server errors without recovery actions.", "evidence": "A missing route renders Japanese text saying access is forbidden plus “(403:FORBIDDEN)”, with no retry, search, homepage CTA, or contextual explanation in the main error area.", "suggestedFix": "Serve a real 404/403 template with a clear explanation, homepage/search actions, preserved navigation, and an announced status message.", "effort": "small", "pathId": "error", "url": "https://sp.jra.jp/__web_uplift_missing__", "principleId": "support-core-task-success", "principleCheckId": "clear-system-state-and-recovery", "guidanceId": "accessible-error-announcement", "guidanceCategory": "accessibility", "artifacts": [ "evidence/404-mobile.png", "evidence/404-dom.json" ] }, { "id": "F09", "severity": "high", "confidence": "high", "summary": "The mobile load misses the LCP performance bar by a wide margin.", "evidence": "Lighthouse measured FCP 5.6s, LCP 14.1s, Speed Index 12.6s and TTI 20.6s (performance 0.51); the independent trace measured FCP 4.16s and LCP 5.74s. CLS remained good.", "suggestedFix": "Prioritise the hero/LCP asset, shorten critical dependencies, defer non-critical imagery and scripts, and verify under mobile throttling.", "effort": "large", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "performance", "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json", "evidence/home-trace.json" ] }, { "id": "F10", "severity": "high", "confidence": "high", "summary": "The page ships a large, eager critical path with blocking styles/scripts and images lacking loading controls.", "evidence": "HAR recorded 156 requests and 4.74MB transferred, including 110 images/3.60MB; 9 parser-inserted stylesheets and a synchronous head script were render-blocking candidates. All 100 inspected images lacked width/height and 52 below-fold images lacked lazy loading.", "suggestedFix": "Reserve image dimensions, lazy-load below-fold media, preload only the LCP image, consolidate critical CSS, and defer/module non-critical scripts.", "effort": "large", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-image-priority", "guidanceCategory": "performance", "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/images.json", "evidence/home-dom.json" ] }, { "id": "F11", "severity": "medium", "confidence": "high", "summary": "Unused third-party and legacy code materially inflates the load.", "evidence": "Lighthouse estimated 301KiB unused JavaScript and 37KiB unused CSS; multiple GTM/gtag bundles and Facebook scripts dominate the waste.", "suggestedFix": "Remove duplicate analytics loaders, gate optional tags on consent/need, split page code, and subset icon/CSS bundles.", "effort": "medium", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "artifacts": [ "evidence/lighthouse.json", "evidence/home-summary.json" ] }, { "id": "F12", "severity": "high", "confidence": "high", "summary": "ARIA roles and accessible names are malformed in core navigation.", "evidence": "Lighthouse accessibility was 0.84 and found prohibited aria-label on roleless divs, tabs without the required tablist parent, a tablist with invalid children, visible-label/name mismatches, and orphaned list items.", "suggestedFix": "Rebuild the quick menu and tabs with semantic lists/buttons and a conforming tablist/tab/tabpanel hierarchy; keep visible and accessible names aligned.", "effort": "large", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "artifacts": [ "evidence/lighthouse.json" ] }, { "id": "F13", "severity": "medium", "confidence": "high", "summary": "Pages lack a main landmark and have weak document heading semantics.", "evidence": "Lighthouse found no main landmark; DOM inspection shows the H1 contains only the logo image and key content starts at H2. Focus itself was visibly outlined.", "suggestedFix": "Wrap primary content in main, give each template a descriptive text H1, and retain the existing skip link and visible focus treatment.", "effort": "small", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "artifacts": [ "evidence/lighthouse.json", "evidence/recon.json" ] }, { "id": "F14", "severity": "low", "confidence": "high", "summary": "A third-party impression endpoint causes a console security error.", "evidence": "Lighthouse recorded refusal to execute pp.d2-apps.net’s image/gif response as JavaScript.", "suggestedFix": "Fix or remove the JSONP-style impression endpoint and ensure script responses use a JavaScript MIME type.", "effort": "small", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "html", "artifacts": [ "evidence/lighthouse.json" ] }, { "id": "F15", "severity": "medium", "confidence": "high", "summary": "Image markup is not dimensionally sound.", "evidence": "The images primitive found 100/100 images without width/height; Lighthouse found carousel pager images displayed at 8x5 despite 10x10 source aspect ratio.", "suggestedFix": "Add intrinsic width/height or aspect-ratio and correct the pager asset sizing so layout and pixels match.", "effort": "medium", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "guidanceCategory": "html", "artifacts": [ "evidence/images.json", "evidence/lighthouse.json" ] }, { "id": "F16", "severity": "medium", "confidence": "high", "summary": "Many core race actions are not crawlable links.", "evidence": "The rendered DOM contains 31 href=\"#\" anchors; race card, odds and results use onclick POST actions. Lighthouse also flagged generic link text.", "suggestedFix": "Expose stable href URLs for public race data and enhance them with JavaScript rather than replacing navigation with onclick/POST.", "effort": "large", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "html", "artifacts": [ "evidence/platform-probe.json", "evidence/home-dom.json", "evidence/lighthouse.json" ] }, { "id": "F17", "severity": "medium", "confidence": "high", "summary": "Robots and sitemap endpoints do not provide valid crawler files.", "evidence": "Direct requests to /robots.txt and /sitemap.xml returned 403 and the homepage HTML; the mobile homepage canonical also points to https://www.jra.go.jp/ rather than its fetched URL.", "suggestedFix": "Serve valid 200 text/plain robots.txt and XML sitemap responses, and verify canonical/alternate signals intentionally consolidate equivalent desktop/mobile URLs.", "effort": "small", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-discoverable", "principleCheckId": "canonical-and-indexing-signals", "guidanceId": "html", "guidanceCategory": "html", "artifacts": [ "evidence/robots-headers.txt", "evidence/robots.txt", "evidence/sitemap.xml", "evidence/document-probe.json" ] }, { "id": "F18", "severity": "low", "confidence": "high", "summary": "The organization homepage has social tags but no structured data.", "evidence": "The document probe found complete basic Open Graph fields but zero JSON-LD blocks.", "suggestedFix": "Add accurate Organization/WebSite JSON-LD and validate it against visible content and canonical URLs.", "effort": "small", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "guidanceCategory": "html", "artifacts": [ "evidence/document-probe.json" ] }, { "id": "F19", "severity": "high", "confidence": "high", "summary": "Cookie and CSP defaults are not secure enough.", "evidence": "HTTPS/HSTS/nosniff/frame protection are present, but CSP is absent. All 7 observed first-party cookies lacked Secure; 5 used SameSite=None and two analytics cookies persist for 400 days.", "suggestedFix": "Set Secure and an explicit appropriate SameSite value on every cookie, shorten analytics retention, and deploy a nonce/hash-based CSP.", "effort": "medium", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ] }, { "id": "F20", "severity": "high", "confidence": "high", "summary": "Tracking is extensive and begins without an evident consent or minimisation layer.", "evidence": "The page contacted 13 third-party origins and five known tracker domains; 26 third-party requests transferred 776KB, including Google, DoubleClick, Facebook, Yahoo and D2 tags.", "suggestedFix": "Inventory and remove non-essential tags, load analytics only after an appropriate choice/context, batch necessary telemetry, and document retention/purpose.", "effort": "large", "pathId": "home", "url": "https://sp.jra.jp/", "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.har" ] }, { "id": "F21", "severity": "medium", "confidence": "high", "summary": "The linked wagering login relies on subscriber number, PIN and P-ARS credentials with no visible phishing-resistant option.", "evidence": "The IPAT login screenshot shows three knowledge-factor fields and no passkey/WebAuthn route. No permission prompt fired on the public homepage.", "suggestedFix": "Offer passkeys/WebAuthn as the preferred sign-in or reauthentication method while retaining a proportionate recovery path.", "effort": "large", "pathId": "login", "url": "https://www.ipat.jra.go.jp/sp/", "principleId": "be-private-and-secure", "principleCheckId": "in-context-permissions-and-modern-auth", "guidanceId": "passkeys", "guidanceCategory": "passkeys", "artifacts": [ "evidence/ipat-login-mobile.png", "evidence/ipat-dom.json" ] }, { "id": "F22", "severity": "medium", "confidence": "high", "summary": "Several browser-enforced privacy policies are missing.", "evidence": "Headers inspection found no Referrer-Policy or Permissions-Policy; CSP/frame-ancestors is also absent on the main document, although X-Frame-Options SAMEORIGIN is present.", "suggestedFix": "Add a strict Referrer-Policy, least-privilege Permissions-Policy, and CSP frame-ancestors directive; evaluate Trusted Types for script-sensitive surfaces.", "effort": "medium", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "artifacts": [ "evidence/headers.json" ] }, { "id": "F23", "severity": "medium", "confidence": "high", "summary": "Public race actions depend on JavaScript and POST navigation.", "evidence": "Although 94% of rendered content words occur in raw HTML, primary race-card/odds/result anchors have href=\"#\" and onclick doAction handlers, so those journeys disappear without scripting.", "suggestedFix": "Give each public action a real GET URL and layer enhanced POST/state behaviour on top.", "effort": "large", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "html", "guidanceCategory": "html", "artifacts": [ "evidence/discoverability.json", "evidence/discoverability-crawler.png", "evidence/home-dom.json" ] }, { "id": "F24", "severity": "medium", "confidence": "high", "summary": "The network/HTTP error template is a dead end.", "evidence": "The synthetic missing path displays a raw 403 label without contextual recovery controls, despite global footer links.", "suggestedFix": "Return the correct status and an actionable error view with retry, search and safe navigation options.", "effort": "small", "pathId": "error", "url": "https://sp.jra.jp/__web_uplift_missing__", "principleId": "be-resilient", "principleCheckId": "network-and-http-failure-states", "guidanceId": "accessible-error-announcement", "guidanceCategory": "accessibility", "artifacts": [ "evidence/404-mobile.png", "evidence/404-dom.json" ] }, { "id": "F25", "severity": "medium", "confidence": "high", "summary": "The wagering login does not expose autofill semantics on visible credential fields.", "evidence": "IPAT DOM inspection found visible userid, password and P-ARS inputs with no name or autocomplete tokens; the screenshot confirms these are the core sign-in fields.", "suggestedFix": "Add stable names and correct autocomplete tokens (username/current-password where semantically appropriate), with labels bound by for/id.", "effort": "small", "pathId": "login", "url": "https://www.ipat.jra.go.jp/sp/", "principleId": "be-trustworthy", "principleCheckId": "trustworthy-input-assistance", "guidanceId": "autofill-sign-in-form", "guidanceCategory": "forms", "artifacts": [ "evidence/ipat-dom.json", "evidence/ipat-login-mobile.png" ] }, { "id": "F26", "severity": "high", "confidence": "high", "summary": "Image delivery is disproportionate for a mobile portal.", "evidence": "The homepage transferred 3.60MB across 110 images; 43 images use legacy formats, 39 lack responsive sources, 13 are oversized, and a promotional PNG alone is 442KB.", "suggestedFix": "Use AVIF/WebP where suitable, responsive srcset/sizes, properly sized raster assets and lazy loading for below-fold/decorative media.", "effort": "large", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "user-experience", "artifacts": [ "evidence/home-summary.json", "evidence/images.json" ] }, { "id": "F27", "severity": "medium", "confidence": "high", "summary": "Background carousel and analytics work runs without user demand.", "evidence": "The hero kept auto-advancing under reduced motion and 13 third-party origins initiated tracking/network work on page load.", "suggestedFix": "Stop non-essential autoplay, defer background work until visible/idle, and condition telemetry on purpose and user choice.", "effort": "medium", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "efficient-background-processing", "guidanceCategory": "performance", "artifacts": [ "evidence/reduced-motion-carousel.json", "evidence/trackers.json" ] }, { "id": "F28", "severity": "high", "confidence": "high", "summary": "Third-party and media budgets are too high for the page’s informational purpose.", "evidence": "HAR measured 4.74MB total, 776KB third party, 3.60MB images and 884KB scripts on one homepage load.", "suggestedFix": "Set template-specific byte/request budgets, remove duplicate tags, and defer promotional/media modules until near the viewport.", "effort": "large", "pathId": "home", "url": "https://sp.jra.jp/", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "performance", "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ] } ], "taskList": [ { "id": "T01", "title": "Fix LCP and mobile critical-path delivery", "priority": 1, "findingIds": [ "F09", "F10", "F11" ], "guidanceId": "performance", "status": "open" }, { "id": "T02", "title": "Replace hash-link/custom ARIA navigation with semantic controls and real URLs", "priority": 2, "findingIds": [ "F06", "F12", "F13", "F16", "F23" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T03", "title": "Minimise tracking and harden cookies/security headers", "priority": 3, "findingIds": [ "F19", "F20", "F22" ], "guidanceId": "privacy", "status": "open" }, { "id": "T04", "title": "Optimise the image and media budget", "priority": 4, "findingIds": [ "F10", "F15", "F26", "F28" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T05", "title": "Stop autoplay for reduced-motion users", "priority": 5, "findingIds": [ "F02", "F27" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T06", "title": "Add actionable 404/403 recovery states", "priority": 6, "findingIds": [ "F08", "F24" ], "guidanceId": "accessible-error-announcement", "status": "open" }, { "id": "T07", "title": "Add preference-driven dark mode", "priority": 7, "findingIds": [ "F01" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T08", "title": "Reduce stacked promotions and use native dismissal primitives", "priority": 8, "findingIds": [ "F05", "F06" ], "guidanceId": "light-dismiss-a-dialog", "status": "open" }, { "id": "T09", "title": "Modernise IPAT authentication and autofill semantics", "priority": 9, "findingIds": [ "F21", "F25" ], "guidanceId": "passkeys", "status": "open" }, { "id": "T10", "title": "Repair robots, sitemap, canonical and structured metadata", "priority": 10, "findingIds": [ "F17", "F18" ], "guidanceId": "html", "status": "open" }, { "id": "T11", "title": "Add component and scroll-state responsiveness", "priority": 11, "findingIds": [ "F04", "F07" ], "guidanceId": "size-aware-styling", "status": "open" }, { "id": "T12", "title": "Fix third-party console and asset-markup errors", "priority": 12, "findingIds": [ "F14", "F15" ], "guidanceId": "html", "status": "open" }, { "id": "T13", "title": "Add View Transitions with reduced-motion fallback", "priority": 13, "findingIds": [ "F03" ], "guidanceId": "same-document-transitions", "status": "open" } ], "budget": { "pathCount": 6, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-18T12-07-19-514Z" }