{ "url": "https://gamewith.jp", "auditedAt": "2026-07-26T01:04:39.064Z", "mode": "report", "status": "completed", "statusDetail": "Atomic coverage complete: all 58 catalog checks have conclusive outcomes.", "page": { "appType": "mpa", "framework": "Server-rendered multi-page site with legacy jQuery and advertising stack", "notes": "Representative coverage: homepage, editorial article, game detail, game search, login and a 404 state. Excluded authenticated account internals, signup completion, ad click-throughs and destructive/commercial transactions because they require credentials or external commitments." }, "evidenceUsed": [ "screenshot", "transition-video", "dom", "evaluate-probe", "layout-metrics", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "lighthouse", "curl-http-probe", "Modern Web Guidance 0.0.172" ], "guidanceConsulted": [ "accessibility", "accessible-error-announcement", "adapt-scrollbar-to-contrast-preferences", "anchor-positioning-tab-underline", "autofill-address-form", "autofill-payment-form", "autofill-sign-in-form", "break-up-long-tasks", "complex-shapes", "coordinate-global-events", "css", "dark-mode", "declarative-dialog-popover-control", "deliver-optimized-decorative-images", "deprioritize-background-fetches", "directional-navigation-transitions", "flicker-free-client-side-ab-testing", "fluid-scaling", "forms", "full-session-analytics", "html", "identify-heavy-scripts", "identify-inp-causes", "improve-text-layout-and-legibility", "language-model", "light-dismiss-a-dialog", "manage-recurring-intervals", "move-dom-element-without-losing-state", "optimize-image-priority", "passkeys", "persistent-toast-notifications", "physics-based-easing", "privacy", "resilient-context-menus-and-nested-dropdowns", "same-document-transitions", "scrollytelling", "search-hidden-content", "security", "shrinking-header-on-scroll", "size-aware-styling", "support-global-calendar-systems", "translator", "validate-input-after-interaction", "visually-stable-font-fallbacks", "webmcp" ], "artifacts": [ { "type": "other", "path": "evidence/404-status.txt", "caption": "404 status" }, { "type": "other", "path": "evidence/404.html", "caption": "404" }, { "type": "video", "path": "evidence/article-consent-flow.mp4", "caption": "article consent flow" }, { "type": "screenshot", "path": "evidence/article-desktop.png", "caption": "article desktop", "findingIds": [ "F-005", "F-007" ] }, { "type": "other", "path": "evidence/article-profile.json", "caption": "article profile", "findingIds": [ "F-009", "F-018" ] }, { "type": "dom", "path": "evidence/consent-dom.json", "caption": "consent dom", "findingIds": [ "F-006", "F-027" ] }, { "type": "other", "path": "evidence/game-detail-profile.json", "caption": "game detail profile" }, { "type": "heap", "path": "evidence/heap-baseline.json", "caption": "heap baseline", "findingIds": [ "F-033" ] }, { "type": "heap", "path": "evidence/heap-post.json", "caption": "heap post" }, { "type": "other", "path": "evidence/home-cookies.json", "caption": "home cookies", "findingIds": [ "F-023" ] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark", "condition": "prefers-color-scheme: dark", "findingIds": [ "F-001" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop", "findingIds": [ "F-004", "F-005", "F-007", "F-027" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "home discoverability crawler" }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "home discoverability rendered" }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "home discoverability", "findingIds": [ "F-032" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom" }, { "type": "other", "path": "evidence/home-headers.json", "caption": "home headers", "findingIds": [ "F-023", "F-026" ] }, { "type": "other", "path": "evidence/home-images.json", "caption": "home images", "findingIds": [ "F-020", "F-029" ] }, { "type": "screenshot", "path": "evidence/home-mobile-consent.png", "caption": "home mobile consent", "condition": "viewport: 360x800", "findingIds": [ "F-005", "F-008" ] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "home mobile layout", "condition": "viewport: 360x800", "findingIds": [ "F-008" ] }, { "type": "other", "path": "evidence/home-recon.json", "caption": "home recon", "findingIds": [ "F-022" ] }, { "type": "other", "path": "evidence/home-secrets.json", "caption": "home secrets" }, { "type": "other", "path": "evidence/home-summary.json", "caption": "home summary", "findingIds": [ "F-014", "F-024", "F-030", "F-031" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary", "findingIds": [ "F-012", "F-013" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "home trace" }, { "type": "other", "path": "evidence/home-trackers.json", "caption": "home trackers", "findingIds": [ "F-024", "F-031" ] }, { "type": "har", "path": "evidence/home.har", "caption": "home", "findingIds": [ "F-014" ] }, { "type": "other", "path": "evidence/input-focus-targets.json", "caption": "input focus targets", "findingIds": [ "F-010", "F-018" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-summary.json", "caption": "lighthouse summary", "findingIds": [ "F-002", "F-012", "F-015", "F-016", "F-017", "F-019", "F-022", "F-030" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "lighthouse", "findingIds": [ "F-013", "F-021", "F-029" ] }, { "type": "other", "path": "evidence/login-interaction.json", "caption": "login interaction", "findingIds": [ "F-011" ] }, { "type": "other", "path": "evidence/login-profile.json", "caption": "login profile", "findingIds": [ "F-016", "F-025", "F-028" ] }, { "type": "other", "path": "evidence/platform-seo.json", "caption": "platform seo" }, { "type": "other", "path": "evidence/preferences-motion-css.json", "caption": "preferences motion css", "findingIds": [ "F-001", "F-003", "F-009" ] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots" }, { "type": "other", "path": "evidence/search-profile.json", "caption": "search profile", "findingIds": [ "F-032" ] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "sitemap" } ], "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": "Dark-media screenshot and CSS/media probe", "evidence": "The dark-condition screenshot remains the same light page and the stylesheet probe found no prefers-color-scheme handling.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png", "evidence/preferences-motion-css.json" ], "findingIds": [ "F-001" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "medium", "method": "Reduced-motion animation probe", "evidence": "Under prefers-reduced-motion: reduce, document.getAnimations() returned no active animations, so no non-essential motion persisted.", "pathIds": [ "home" ], "artifacts": [ "evidence/preferences-motion-css.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "issues", "confidence": "high", "method": "Contrast emulation probe plus Lighthouse accessibility audit", "evidence": "No prefers-contrast/forced-colors CSS was found, and Lighthouse found 248 insufficient-contrast nodes.", "pathIds": [ "home" ], "artifacts": [ "evidence/preferences-motion-css.json", "evidence/lighthouse-summary.json" ], "findingIds": [ "F-002" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "medium", "method": "CSS feature probe and route observation", "evidence": "No view-transition CSS or API usage was present; navigation between the sampled MPA routes is an abrupt full-document swap.", "pathIds": [ "home", "article", "game-detail" ], "artifacts": [ "evidence/preferences-motion-css.json", "evidence/article-consent-flow.mp4" ], "findingIds": [ "F-003" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "pass", "confidence": "medium", "method": "CSS and active-animation probe", "evidence": "No scroll-linked animation surface or scroll-driven animation was observed, so the page does not use a main-thread scroll animation anti-pattern.", "pathIds": [ "home" ], "artifacts": [ "evidence/preferences-motion-css.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "medium", "method": "DOM/CSS and interaction review", "evidence": "The sampled core controls use ordinary links, buttons and scrolling; no custom gesture interaction that fights platform behavior was observed.", "pathIds": [ "home", "article" ], "artifacts": [ "evidence/home-dom.json", "evidence/article-consent-flow.mp4" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "medium", "method": "Long-page screenshot/CSS feature review", "evidence": "The long home and article templates have static chrome and no scroll-state query, progress indicator, or position-aware header behavior.", "pathIds": [ "home", "article" ], "artifacts": [ "evidence/home-desktop.png", "evidence/preferences-motion-css.json" ], "findingIds": [ "F-004" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "pass", "confidence": "medium", "method": "Overlay and CSS review", "evidence": "No tooltip/menu requiring anchor positioning was found on sampled core paths; the consent surface is viewport-modal rather than anchored UI.", "pathIds": [ "home", "login" ], "artifacts": [ "evidence/consent-dom.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Heading, breadcrumb, and navigation review", "evidence": "The article and detail pages expose breadcrumbs, ordered headings, and clear related-content navigation that preserve orientation.", "pathIds": [ "article", "game-detail" ], "artifacts": [ "evidence/article-profile.json", "evidence/game-detail-profile.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "First-load screenshots at desktop and mobile", "evidence": "A consent interstitial blocks all content on every fresh page load before interaction.", "pathIds": [ "home", "article" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile-consent.png", "evidence/article-desktop.png" ], "findingIds": [ "F-005" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "DOM semantics inspection", "evidence": "The blocking consent surface is a custom div with role=dialog rather than a native dialog; rejection requires opening Manage options.", "pathIds": [ "home" ], "artifacts": [ "evidence/consent-dom.json" ], "findingIds": [ "F-006" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "issues", "confidence": "high", "method": "Desktop/mobile first-viewport screenshots", "evidence": "Ads, fixed-width sidebars, dense navigation, rankings and banners dominate the viewport and visually compete with editorial content.", "pathIds": [ "home", "article" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile-consent.png", "evidence/article-desktop.png" ], "findingIds": [ "F-007" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "360x800 layout metrics and screenshot", "evidence": "The page declares viewport width=1580; Chrome renders a 1440 CSS-pixel layout scaled to 25%, with 140px horizontal overflow and unreadably tiny content.", "pathIds": [ "home", "article", "game-search", "login" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile-consent.png", "evidence/article-profile.json" ], "findingIds": [ "F-008" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "CSS feature probe and multi-template viewport metadata", "evidence": "No @container/container-type usage was found and sampled templates hard-code viewport widths of 1000 or 1580 instead of adapting components.", "pathIds": [ "home", "article", "game-detail", "game-search", "login" ], "artifacts": [ "evidence/preferences-motion-css.json", "evidence/article-profile.json", "evidence/game-detail-profile.json" ], "findingIds": [ "F-009" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Focus and target geometry probe", "evidence": "The first focusable link computed outline-style none and zero width; many visible header links are only 16–24px high, below comfortable touch size.", "pathIds": [ "home", "login" ], "artifacts": [ "evidence/input-focus-targets.json", "evidence/login-interaction.json" ], "findingIds": [ "F-010" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "First viewport and heading/title review", "evidence": "The home, article, game detail, search and login pages have descriptive Japanese titles/headings and recognizable navigation to core content.", "pathIds": [ "home", "article", "game-detail", "game-search", "login" ], "artifacts": [ "evidence/home-desktop.png", "evidence/article-profile.json", "evidence/game-detail-profile.json", "evidence/search-profile.json" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "medium", "method": "Representative navigation and form inspection", "evidence": "Game discovery links lead to detail/article pages and the login path provides email/password plus social sign-in controls; no auth wall blocks public content.", "pathIds": [ "home", "article", "game-detail", "game-search", "login" ], "artifacts": [ "evidence/home-recon.json", "evidence/login-profile.json" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "issues", "confidence": "medium", "method": "Blank login submission and 404 probe", "evidence": "The login fields are not required and expose no aria-invalid or browser validation message on blank submission, weakening actionable recovery.", "pathIds": [ "login", "not-found" ], "artifacts": [ "evidence/login-interaction.json", "evidence/404-status.txt" ], "findingIds": [ "F-011" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Lighthouse plus CDP trace", "evidence": "Lighthouse mobile reports LCP 5.7s, TBT 420ms, Speed Index 12.1s and TTI 20.1s; the independent trace reports LCP 4.15s.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F-012" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Layout observer plus Lighthouse", "evidence": "Observed CLS was 0.0001 in the layout capture and 0.042 in Lighthouse, both in the good range.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/lighthouse-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "issues", "confidence": "high", "method": "Lighthouse and trace long-task analysis", "evidence": "Lighthouse reports 4.9s main-thread work, 1.6s JavaScript execution and 420ms TBT; the trace recorded long tasks.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F-013" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "HAR summary and Lighthouse delivery insights", "evidence": "The load transferred 3.62MB over 192 requests; parser-inserted jQuery/ad/basic scripts and CSS are render-blocking candidates, with 2.56s estimated render-blocking savings.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse-summary.json" ], "findingIds": [ "F-014" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Lighthouse code-coverage diagnostics", "evidence": "Lighthouse estimates 660KiB unused JavaScript and 44KiB unused CSS, while ad/analytics bundles dominate script transfer.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-summary.json" ], "findingIds": [ "F-015" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility and login DOM probes", "evidence": "The header information image lacks alt text, and the email/password controls have no associated labels or ARIA labels.", "pathIds": [ "home", "login" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/login-profile.json" ], "findingIds": [ "F-016" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "Lighthouse color-contrast audit", "evidence": "Lighthouse found 248 contrast failures, including 12px #929292 text on white at 3.11:1.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F-017" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Heading and keyboard focus probes", "evidence": "The consent manager injects several additional H1 elements and the focused logo link has no visible outline or box shadow.", "pathIds": [ "home", "article" ], "artifacts": [ "evidence/article-profile.json", "evidence/input-focus-targets.json" ], "findingIds": [ "F-018" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "issues", "confidence": "high", "method": "Mobile screenshot and viewport/layout analysis", "evidence": "The forced desktop canvas is scaled to 25% on a 360px device, making navigation and article text too small to read comfortably.", "pathIds": [ "home", "article" ], "artifacts": [ "evidence/home-mobile-consent.png", "evidence/home-mobile-layout.json" ], "findingIds": [ "F-008" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Mobile reflow and target-size probe", "evidence": "Fixed width viewport metadata prevents normal mobile reflow, and numerous navigation targets are only 16–30px high.", "pathIds": [ "home", "article", "login" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/input-focus-targets.json" ], "findingIds": [ "F-008", "F-010" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "medium", "method": "Lighthouse Runtime error audit", "evidence": "Lighthouse captured SyntaxError: Identifier tabSelector has already been declared on the home page.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F-019" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "DOM, images primitive, and Lighthouse", "evidence": "Although doctype/charset are valid, 99 of 100 images lack explicit dimensions, 99 use legacy formats, and Lighthouse reports an unsized image.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/platform-seo.json", "evidence/lighthouse.json" ], "findingIds": [ "F-020" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "medium", "method": "Lighthouse best-practices diagnostics", "evidence": "Lighthouse reports a deprecated API warning, third-party-cookie issues and a DevTools inspector issue.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F-021" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "DOM metadata probes across templates", "evidence": "Home, article, game detail, search and login pages expose descriptive titles; public content pages include meta descriptions.", "pathIds": [ "home", "article", "game-detail", "game-search", "login" ], "artifacts": [ "evidence/home-recon.json", "evidence/article-profile.json", "evidence/game-detail-profile.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Lighthouse crawlability plus viewport probe", "evidence": "Lighthouse found 19 non-crawlable anchors and the viewport meta uses fixed widths rather than device-width.", "pathIds": [ "home", "article" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/platform-seo.json", "evidence/article-profile.json" ], "findingIds": [ "F-022" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "high", "method": "Canonical, robots, sitemap, status and discoverability probes", "evidence": "Public pages return 200, expose canonical URLs, robots.txt and sitemap.xml are reachable, and no accidental noindex signal was observed.", "pathIds": [ "home", "article", "game-detail" ], "artifacts": [ "evidence/home-recon.json", "evidence/article-profile.json", "evidence/robots.txt", "evidence/sitemap.xml", "evidence/home-discoverability.json" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "pass", "confidence": "high", "method": "JSON-LD and Open Graph inspection", "evidence": "The article provides NewsArticle and BreadcrumbList JSON-LD plus complete Open Graph title, URL, image and description matching visible content.", "pathIds": [ "article", "game-detail" ], "artifacts": [ "evidence/article-profile.json", "evidence/game-detail-profile.json" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Headers and cookie primitives", "evidence": "HTTPS and HSTS are present, but CSP only declares frame-ancestors; 12 cookies lack Secure and many use SameSite=None.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "findingIds": [ "F-023" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Tracker and HAR analysis before consent", "evidence": "A fresh load contacted 34 third-party origins and 8 known tracker domains; 190 of 192 HAR requests were classified cross-origin and 3.47MB was transferred cross-origin.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trackers.json", "evidence/home-summary.json" ], "findingIds": [ "F-024" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "issues", "confidence": "medium", "method": "Login DOM/auth surface review", "evidence": "The sampled login supports password and social providers but exposes no site passkey/WebAuthn flow; no permission prompt fired on load.", "pathIds": [ "login" ], "artifacts": [ "evidence/login-profile.json" ], "findingIds": [ "F-025" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Security header and cookie primitives", "evidence": "X-Content-Type-Options, Referrer-Policy and Permissions-Policy are absent; HSTS max-age is only one day, and cookie posture is weak.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "findingIds": [ "F-026" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "high", "method": "Raw HTML/rendered DOM discoverability comparison", "evidence": "Raw server HTML is 2.25MB, is not a JS shell, retains title/H1/description, and contains 81% of rendered content tokens.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-crawler.png" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "medium", "method": "Representative route, overlay and error-state exercise", "evidence": "Sampled MPA routes loaded usable server-rendered content, the consent manager remained in viewport, and no blank runtime shell occurred.", "pathIds": [ "home", "article", "game-detail", "login" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/article-consent-flow.mp4" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Site-type and manifest/service-worker probe", "evidence": "GameWith is a public editorial/content website rather than an installed app; no manifest/offline app promise is needed for its primary reading task.", "reason": "GameWith is a public editorial/content website rather than an installed app; no manifest/offline app promise is needed for its primary reading task." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "medium", "method": "Intentional invalid-route request", "evidence": "An invalid representative URL returns an intentional HTTP 404 response rather than a misleading 200 shell.", "pathIds": [ "not-found" ], "artifacts": [ "evidence/404-status.txt", "evidence/404.html" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "not-applicable", "confidence": "high", "method": "Recon applicability judgement", "evidence": "The audited site is deliberately Japanese-language and Japan-market focused; no locale switcher, multi-currency, cross-zone scheduling, or international audience promise was observed.", "reason": "The audited site is deliberately Japanese-language and Japan-market focused; no locale switcher, multi-currency, cross-zone scheduling, or international audience promise was observed." }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "not-applicable", "confidence": "high", "method": "Recon applicability judgement", "evidence": "The audited site is deliberately Japanese-language and Japan-market focused; no locale switcher, multi-currency, cross-zone scheduling, or international audience promise was observed.", "reason": "The audited site is deliberately Japanese-language and Japan-market focused; no locale switcher, multi-currency, cross-zone scheduling, or international audience promise was observed." }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Recon applicability judgement", "evidence": "The audited site is deliberately Japanese-language and Japan-market focused; no locale switcher, multi-currency, cross-zone scheduling, or international audience promise was observed.", "reason": "The audited site is deliberately Japanese-language and Japan-market focused; no locale switcher, multi-currency, cross-zone scheduling, or international audience promise was observed." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "issues", "confidence": "high", "method": "Consent screenshot, DOM and pre-consent tracker capture", "evidence": "The consent wall offers a one-click Consent action but no equivalent one-click Reject action, while a fresh load already contacts extensive ad/tracker infrastructure.", "pathIds": [ "home", "article" ], "artifacts": [ "evidence/home-desktop.png", "evidence/consent-dom.json", "evidence/home-trackers.json" ], "findingIds": [ "F-027" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "issues", "confidence": "medium", "method": "Blank login submission probe", "evidence": "Email/password inputs are not required and blank submission produced no browser validation message or aria-invalid state.", "pathIds": [ "login" ], "artifacts": [ "evidence/login-interaction.json" ], "findingIds": [ "F-011" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "issues", "confidence": "high", "method": "Login form DOM inspection", "evidence": "Email and password fields omit autocomplete=username/current-password tokens and lack explicit labels.", "pathIds": [ "login" ], "artifacts": [ "evidence/login-profile.json" ], "findingIds": [ "F-028" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "issues", "confidence": "medium", "method": "Authentication surface inspection", "evidence": "The account flow relies on passwords/social providers and presents no passkey option; form controls also lack modern autofill tokens.", "pathIds": [ "login" ], "artifacts": [ "evidence/login-profile.json" ], "findingIds": [ "F-025", "F-028" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Images primitive and Lighthouse image-delivery insight", "evidence": "99/100 images are legacy formats, 24 lack srcset, 9 are oversized, and Lighthouse estimates 733KiB image-delivery savings.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/lighthouse.json" ], "findingIds": [ "F-029" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "HAR and Lighthouse main-thread/code diagnostics", "evidence": "The page performs 192 requests, ships 660KiB estimated-unused JavaScript and executes large advertising/analytics bundles before a core task.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-summary.json" ], "findingIds": [ "F-030" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "HAR and tracker primitives", "evidence": "Third-party/cross-origin delivery accounts for 190 requests and 3.47MB, including ad-tech, analytics and consent infrastructure disproportionate to a text-heavy homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-trackers.json" ], "findingIds": [ "F-031" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "low", "method": "Rendered DOM/source feature review", "evidence": "The site is content-rich and agent-relevant, but exposes no WebMCP/agentic tool interface for search or game discovery; agents must scrape links/forms.", "pathIds": [ "home", "game-search", "article" ], "artifacts": [ "evidence/home-dom.json", "evidence/search-profile.json", "evidence/article-profile.json" ], "findingIds": [ "F-032" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Recon applicability judgement", "evidence": "No user task observed in the sampled pages requires on-device generation or summarisation; omitting built-in AI is not a quality failure here.", "reason": "No user task observed in the sampled pages requires on-device generation or summarisation; omitting built-in AI is not a quality failure here." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "medium", "method": "Baseline/post heap snapshots around 10 consent manage/back cycles", "evidence": "After 10 cycles self size rose about 0.90MB (1.2%) and closures rose by only 3; this single comparison does not show unbounded retained growth.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post.json" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "medium", "method": "Heap summary proportionality review", "evidence": "A text-heavy homepage retains about 76.7MB self size across 1.29M heap nodes, a large footprint consistent with extensive ad/analytics machinery.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json" ], "findingIds": [ "F-033" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "Before/after heap constructor comparison", "evidence": "No Detached* constructor appears among the top retained constructors, closures remained effectively flat (34,836 to 34,839), and the repeated cycle did not show listener-like growth.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post.json" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F-001", "F-002" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F-003" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F-004" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F-005", "F-006", "F-007" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F-008", "F-009", "F-010" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "issues", "findingIds": [ "F-011" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F-012", "F-013", "F-014", "F-015" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F-016", "F-017", "F-018", "F-008", "F-010" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F-019", "F-020", "F-021" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F-022" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F-023", "F-024", "F-025", "F-026" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "pass" }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "not-applicable", "reason": "The audited site is deliberately Japanese-language and Japan-market focused; no locale switcher, multi-currency, cross-zone scheduling, or international audience promise was observed." }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F-027", "F-011", "F-028", "F-025" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F-029", "F-030", "F-031" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "F-032" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F-033" ] } ], "paths": [ { "id": "home", "description": "Homepage and primary game-discovery entry; global layout, consent, navigation, performance, privacy and asset template.", "url": "https://gamewith.jp/", "conditions": [ "desktop 1440x1000", "mobile 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "prefers-contrast: more", "fresh consent state" ], "result": "issues" }, { "id": "article", "description": "Representative editorial NewsArticle template and long-form reading journey.", "url": "https://gamewith.jp/gamedb/7132/articles/60322", "conditions": [ "desktop 1440x1000", "fresh consent state", "scroll interaction" ], "result": "issues" }, { "id": "game-detail", "description": "Representative game entity/detail template with review and related-content surfaces.", "url": "https://gamewith.jp/gamedb/7132", "conditions": [ "default desktop" ], "result": "issues" }, { "id": "game-search", "description": "Primary game-finding surface and agent-relevant search journey.", "url": "https://gamewith.jp/gamesearch", "conditions": [ "default desktop", "fresh consent state" ], "result": "issues" }, { "id": "login", "description": "Primary authentication form for labels, validation, autofill and modern-auth review.", "url": "https://gamewith.jp/user/login", "conditions": [ "blank submission", "keyboard focus", "fresh consent state" ], "result": "issues" }, { "id": "not-found", "description": "Representative unknown route for HTTP/error recovery behavior.", "url": "https://gamewith.jp/this-path-should-not-exist-web-uplift", "conditions": [ "direct HTTP request" ], "result": "pass" } ], "findings": [ { "id": "F-001", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "No system-driven dark theme", "evidence": "Dark emulation leaves the interface light and CSS contains no color-scheme handling.", "artifacts": [ "evidence/home-dark.png", "evidence/preferences-motion-css.json" ], "suggestedFix": "Declare color-scheme and map surfaces/text through prefers-color-scheme or light-dark().", "effort": "medium" }, { "id": "F-002", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "respect-user-preferences", "principleCheckId": "respects-contrast", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Contrast preferences and baseline contrast are not supported", "evidence": "No contrast preference CSS was found; Lighthouse identified 248 contrast failures.", "artifacts": [ "evidence/lighthouse-summary.json" ], "suggestedFix": "Raise text/UI contrast to WCAG minimums and add forced-colors/prefers-contrast adaptations.", "effort": "medium" }, { "id": "F-003", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "modern-web-guidance", "severity": "low", "confidence": "high", "summary": "Route changes are abrupt", "evidence": "No View Transition usage was found across sampled route changes.", "artifacts": [ "evidence/preferences-motion-css.json" ], "suggestedFix": "Progressively enhance same-origin navigation with cross-document View Transitions while respecting reduced motion.", "effort": "medium" }, { "id": "F-004", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "shrinking-header-on-scroll", "guidanceCategory": "modern-web-guidance", "severity": "low", "confidence": "high", "summary": "Long pages provide no scroll-position feedback", "evidence": "Long editorial pages use static chrome with no progress or scroll-state response.", "artifacts": [ "evidence/home-desktop.png" ], "suggestedFix": "Add a lightweight scroll progress or scroll-state-aware header using declarative CSS where supported.", "effort": "small" }, { "id": "F-005", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Consent interstitial blocks every fresh visit", "evidence": "Desktop and mobile screenshots show all page content dimmed and blocked before interaction.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile-consent.png", "evidence/article-desktop.png" ], "suggestedFix": "Use a compact, non-blocking consent notice where lawful and provide equally prominent accept/reject actions.", "effort": "medium" }, { "id": "F-006", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "Consent UI is a custom dialog implementation", "evidence": "DOM inspection shows a role=dialog div rather than the native dialog primitive.", "artifacts": [ "evidence/consent-dom.json" ], "suggestedFix": "Use a native dialog for truly modal consent, with correct focus restoration, Escape behavior and explicit actions.", "effort": "medium" }, { "id": "F-007", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "reduced-chrome", "guidanceId": "improve-text-layout-and-legibility", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Advertising and dense chrome crowd out content", "evidence": "The first viewport is dominated by ad creative, multiple nav rows, sidebars and rankings.", "artifacts": [ "evidence/home-desktop.png", "evidence/article-desktop.png" ], "suggestedFix": "Reduce first-viewport ad/chrome density and prioritize one clear editorial content column.", "effort": "large" }, { "id": "F-008", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "guidanceCategory": "modern-web-guidance", "severity": "critical", "confidence": "high", "summary": "Mobile receives a scaled desktop canvas", "evidence": "At 360x800 the page uses a 1440px CSS viewport at 0.25 scale, fixed width=1580 and 140px overflow.", "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile-consent.png" ], "suggestedFix": "Set viewport width=device-width, remove fixed 1000/1580 canvases, and rebuild templates with fluid intrinsic layout.", "effort": "large" }, { "id": "F-009", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Components do not adapt to available space", "evidence": "No container query features were found and templates hard-code desktop viewport widths.", "artifacts": [ "evidence/preferences-motion-css.json", "evidence/article-profile.json" ], "suggestedFix": "Introduce container-type on reusable regions and adapt grids/cards with @container plus intrinsic sizing.", "effort": "large" }, { "id": "F-010", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Keyboard focus and touch target support are weak", "evidence": "Focused links have no visible outline; many header links are only 16–24px high.", "artifacts": [ "evidence/input-focus-targets.json" ], "suggestedFix": "Add strong :focus-visible styling and make interactive hit areas at least 44 CSS px where practical.", "effort": "medium" }, { "id": "F-011", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "support-core-task-success", "principleCheckId": "clear-system-state-and-recovery", "guidanceId": "validate-input-after-interaction", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "Login errors are not surfaced early or accessibly", "evidence": "Blank login controls remain valid with no validation message or aria-invalid state.", "artifacts": [ "evidence/login-interaction.json" ], "suggestedFix": "Mark required fields, validate after interaction, and announce actionable errors in a live region.", "effort": "small" }, { "id": "F-012", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "identify-inp-causes", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Loading performance misses user-centric targets", "evidence": "Lighthouse reports 5.7s LCP, 420ms TBT, 12.1s Speed Index and 20.1s TTI.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Profile LCP/interaction work, prioritize the hero/content, and defer non-critical advertising and analytics.", "effort": "large" }, { "id": "F-013", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-main-thread", "guidanceId": "break-up-long-tasks", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Main-thread work is excessive", "evidence": "Lighthouse reports 4.9s main-thread work and 1.6s JS execution, with long tasks corroborated by trace/layout captures.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Remove unnecessary scripts, schedule non-critical work, and split long tasks below 50ms.", "effort": "large" }, { "id": "F-014", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-preload-priority", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "The critical delivery path is heavy and blocking", "evidence": "192 requests transfer 3.62MB; parser-inserted jQuery, ad and basic scripts sit on the critical path.", "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "suggestedFix": "Defer non-critical scripts, modernize dependencies, preload only LCP-critical assets and set durable caches.", "effort": "large" }, { "id": "F-015", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Large amounts of unused code ship on first load", "evidence": "Lighthouse estimates 660KiB unused JS and 44KiB unused CSS.", "artifacts": [ "evidence/lighthouse-summary.json" ], "suggestedFix": "Code-split by route/component, remove duplicate/legacy bundles, and conditionally load ad/search features.", "effort": "large" }, { "id": "F-016", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Some content and login controls lack accessible names", "evidence": "The information image lacks alt; login email/password fields have no labels.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/login-profile.json" ], "suggestedFix": "Use alt=\"\" for decorative images and visible label elements for every authentication field.", "effort": "small" }, { "id": "F-017", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Widespread text contrast failures", "evidence": "Lighthouse found 248 failures, including 3.11:1 small gray text on white.", "artifacts": [ "evidence/lighthouse-summary.json" ], "suggestedFix": "Adjust color tokens to meet WCAG AA in every normal, hover, focus and disabled state.", "effort": "medium" }, { "id": "F-018", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Focus visibility and heading structure are disrupted", "evidence": "The consent UI adds multiple H1s and focused navigation has no visible outline.", "artifacts": [ "evidence/article-profile.json", "evidence/input-focus-targets.json" ], "suggestedFix": "Keep one page H1, use dialog headings below it semantically, and implement visible :focus-visible states.", "effort": "medium" }, { "id": "F-019", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "A production JavaScript syntax error is logged", "evidence": "Lighthouse captured duplicate declaration of tabSelector.", "artifacts": [ "evidence/lighthouse-summary.json" ], "suggestedFix": "Remove the duplicate declaration and add console-error monitoring to release checks.", "effort": "small" }, { "id": "F-020", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "optimize-image-priority", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Images lack robust sizing and modern delivery", "evidence": "99/100 images lack dimensions and 99 use legacy formats.", "artifacts": [ "evidence/home-images.json" ], "suggestedFix": "Emit width/height, srcset/sizes, lazy loading and AVIF/WebP variants from the image pipeline.", "effort": "large" }, { "id": "F-021", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "Deprecated and inspector issues remain", "evidence": "Lighthouse reports a deprecated API warning and a DevTools inspector issue.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Remove deprecated API use and clear DevTools Issues before deployment.", "effort": "medium" }, { "id": "F-022", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Interactive tabs use non-crawlable JavaScript URLs", "evidence": "Lighthouse found 19 non-crawlable anchors; DOM probes show javascript:void(0) href values.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-recon.json" ], "suggestedFix": "Use buttons for local state changes and real href URLs for navigable destinations.", "effort": "medium" }, { "id": "F-023", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Cookie and CSP protections are weak", "evidence": "CSP only restricts framing; 12 cookies lack Secure and many use SameSite=None.", "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "suggestedFix": "Deploy a nonce/hash-based CSP and set Secure, HttpOnly where appropriate, and Lax/Strict SameSite defaults.", "effort": "large" }, { "id": "F-024", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Tracking begins with an extensive third-party footprint", "evidence": "A fresh load reaches 34 third-party origins and 8 known trackers before consent interaction.", "artifacts": [ "evidence/home-trackers.json", "evidence/home-summary.json" ], "suggestedFix": "Block non-essential tags until consent, remove redundant vendors, and batch/minimize analytics.", "effort": "large" }, { "id": "F-025", "pathId": "login", "url": "https://gamewith.jp/user/login", "principleId": "be-private-and-secure", "principleCheckId": "in-context-permissions-and-modern-auth", "guidanceId": "passkeys", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "Login offers no phishing-resistant passkey option", "evidence": "The account UI exposes password/social login but no site passkey flow.", "artifacts": [ "evidence/login-profile.json" ], "suggestedFix": "Add WebAuthn/passkey registration and authentication as a first-class sign-in option.", "effort": "large" }, { "id": "F-026", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Defensive response policies are incomplete", "evidence": "nosniff, Referrer-Policy and Permissions-Policy are absent; HSTS is one day.", "artifacts": [ "evidence/home-headers.json" ], "suggestedFix": "Add nosniff, strict referrer/permissions policies and lengthen HSTS after deployment verification.", "effort": "small" }, { "id": "F-027", "pathId": "login", "url": "https://gamewith.jp/user/login", "principleId": "be-trustworthy", "principleCheckId": "no-dark-patterns", "guidanceId": "privacy", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Consent choices are asymmetrical", "evidence": "Consent is one click, while rejection is hidden behind Manage options despite processing by up to 300 partners.", "artifacts": [ "evidence/home-desktop.png", "evidence/consent-dom.json" ], "suggestedFix": "Present Accept and Reject all with equal prominence and keep granular management secondary.", "effort": "medium" }, { "id": "F-028", "pathId": "login", "url": "https://gamewith.jp/user/login", "principleId": "be-trustworthy", "principleCheckId": "trustworthy-input-assistance", "guidanceId": "autofill-sign-in-form", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Sign-in fields omit autofill semantics", "evidence": "Email/password controls have empty autocomplete values and no explicit labels.", "artifacts": [ "evidence/login-profile.json" ], "suggestedFix": "Set autocomplete=username and current-password and pair each control with a label.", "effort": "small" }, { "id": "F-029", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "The image pipeline wastes bytes", "evidence": "99 legacy images, 24 missing srcset and 9 oversized images were detected; Lighthouse estimates 733KiB savings.", "artifacts": [ "evidence/home-images.json", "evidence/lighthouse.json" ], "suggestedFix": "Generate appropriately sized AVIF/WebP variants and responsive source sets.", "effort": "large" }, { "id": "F-030", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Background and unused work is excessive", "evidence": "The initial page performs 192 requests and ships an estimated 660KiB unused JS.", "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse-summary.json" ], "suggestedFix": "Load analytics/ads after consent and idle or interaction, and remove unused execution paths.", "effort": "large" }, { "id": "F-031", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "full-session-analytics", "guidanceCategory": "modern-web-guidance", "severity": "high", "confidence": "high", "summary": "Third-party cost is disproportionate to content value", "evidence": "Cross-origin delivery accounts for 190 requests and 3.47MB on a mostly editorial page.", "artifacts": [ "evidence/home-summary.json", "evidence/home-trackers.json" ], "suggestedFix": "Set a third-party byte/request budget, remove duplicate tags and defer optional vendors.", "effort": "large" }, { "id": "F-032", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "guidanceCategory": "modern-web-guidance", "severity": "low", "confidence": "high", "summary": "Game search is not exposed as a structured agent capability", "evidence": "Agents can read server HTML but must scrape navigation/search affordances.", "artifacts": [ "evidence/search-profile.json", "evidence/home-discoverability.json" ], "suggestedFix": "Consider a narrowly scoped read-only WebMCP search tool with clear parameters and safe output.", "effort": "medium" }, { "id": "F-033", "pathId": "home", "url": "https://gamewith.jp/", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "modern-web-guidance", "severity": "medium", "confidence": "high", "summary": "Homepage memory footprint is large", "evidence": "Heap summary retains 76.7MB self size and 1.29M nodes before interaction.", "artifacts": [ "evidence/heap-baseline.json" ], "suggestedFix": "Reduce ad/analytics libraries, DOM volume and long-lived caches; set a memory budget and re-measure.", "effort": "large" } ], "taskList": [ { "id": "T-001", "title": "Rebuild templates for true mobile reflow and accessible targets", "priority": 1, "findingIds": [ "F-008", "F-009", "F-010" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T-002", "title": "Gate and reduce advertising/analytics third parties", "priority": 2, "findingIds": [ "F-024", "F-027", "F-030", "F-031" ], "guidanceId": "privacy", "status": "open" }, { "id": "T-003", "title": "Cut critical-path and unused JavaScript/CSS", "priority": 3, "findingIds": [ "F-012", "F-013", "F-014", "F-015", "F-033" ], "guidanceId": "identify-heavy-scripts", "status": "open" }, { "id": "T-004", "title": "Fix contrast, labels, focus and heading semantics", "priority": 4, "findingIds": [ "F-002", "F-016", "F-017", "F-018" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T-005", "title": "Make consent symmetric, compact and semantic", "priority": 5, "findingIds": [ "F-005", "F-006", "F-027" ], "guidanceId": "light-dismiss-a-dialog", "status": "open" }, { "id": "T-006", "title": "Harden CSP, cookies and browser policies", "priority": 6, "findingIds": [ "F-023", "F-026" ], "guidanceId": "security", "status": "open" }, { "id": "T-007", "title": "Modernize responsive image delivery", "priority": 7, "findingIds": [ "F-020", "F-029" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T-008", "title": "Repair crawlable anchors and production console errors", "priority": 8, "findingIds": [ "F-019", "F-021", "F-022" ], "guidanceId": "html", "status": "open" }, { "id": "T-009", "title": "Modernize login validation, autofill and passkeys", "priority": 9, "findingIds": [ "F-011", "F-025", "F-028" ], "guidanceId": "autofill-sign-in-form", "status": "open" }, { "id": "T-010", "title": "Add system theme and progressive navigation polish", "priority": 10, "findingIds": [ "F-001", "F-003", "F-004" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T-011", "title": "Reduce chrome and ad dominance", "priority": 11, "findingIds": [ "F-007" ], "guidanceId": "improve-text-layout-and-legibility", "status": "open" }, { "id": "T-012", "title": "Evaluate a safe agent-readable game search capability", "priority": 12, "findingIds": [ "F-032" ], "guidanceId": "webmcp", "status": "open" } ], "budget": { "pathCount": 6, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-26T01-04-39-064Z" }