{ "url": "https://www.dmm.co.jp", "auditedAt": "2026-07-28T04:27:15.866Z", "mode": "report", "status": "blocked", "statusDetail": "The public age gate was auditable, but confirming age redirected to a regional-availability denial. Sitewide representative coverage could not be completed from this location.", "page": { "appType": "hybrid", "framework": "Next.js on the age gate; static HTML on the regional-denial page", "notes": "Public entry resolves through three redirects to a localized age gate. The gate is server-rendered. Catalog/product/search/account/checkout templates were excluded only after the continuation attempt proved geo-blocked." }, "evidenceUsed": [ "Modern Web Guidance live feed", "screenshot", "DOM/CSS capture", "evaluate probes", "mobile layout metrics", "DevTools trace", "HAR summary", "discoverability/no-JS comparison", "security headers", "cookies", "trackers", "images", "secrets scan", "heap summary", "Lighthouse", "robots.txt and sitemap.xml fetch" ], "guidanceConsulted": [ "dark-mode", "component-specific-light-dark-theme", "accessibility", "adapt-scrollbar-to-contrast-preferences", "same-document-transitions", "cross-document-transitions", "group-element-transitions", "faster-spa-view-transitions", "scrollytelling", "parallax-scroll-effects", "scroll-entry-exit-effects", "carousel-slide-effects", "physics-based-easing", "individual-transform-properties", "animate-element-entry-exit", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "dynamic-sibling-animations", "interactive-content-reveal", "pull-to-reveal", "swipe-to-remove", "shrinking-header-on-scroll", "scroll-progress-indicator", "scroll-position-aware-elements", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "soft-edge-content-fade", "scrollability-affordance-hints", "anchor-positioning-tab-underline", "position-aware-tooltips", "interest-triggered-tooltips", "interest-triggered-action-previews", "directional-navigation-transitions", "carousel-snap-highlights", "navigation-drawer", "stack-drill-down", "persistent-app-tours", "persistent-toast-notifications", "light-dismiss-a-dialog", "platform-controls-dismiss-dialog", "declarative-dialog-popover-control", "animated-select-picker", "branded-select-styling", "brand-consistent-forms", "custom-select-picker-layouts", "rich-media-picker", "complex-shapes", "shaped-cutouts", "overflow-clipping-control", "visually-texture-content", "apply-webgl-shaders", "interactive-content-in-3d-scenes", "highlight-text-ranges", "prevent-text-wrapping", "customize-scrollbar-color-and-thickness", "export-html-media-from-canvas", "fluid-scaling", "calculate-with-intrinsic-sizes", "css-layout", "size-aware-styling", "content-based-styling", "child-state-based-styling", "design-token-reactivity", "dynamic-sibling-styling", "form-fields-automatically-fit-contents", "improve-text-layout-and-legibility", "forms", "accessible-error-announcement", "required-field-feedback", "validate-input-after-interaction", "identify-inp-causes", "schedule-tasks-by-priority", "optimize-preload-priority", "improve-next-page-load-performance", "interactions-in-complex-layouts", "performance", "visually-stable-font-fallbacks", "break-up-long-tasks", "identify-heavy-scripts", "optimize-script-priority", "defer-rendering-heavy-content", "defer-work-until-scroll-ends", "optimize-image-priority", "conditional-async-dependencies", "expose-canvas-content-to-browser-features", "move-dom-element-without-losing-state", "precise-text-alignment", "visually-stable-mixed-fonts", "css", "html", "reduce-style-repetition", "security", "privacy", "batch-analytics-events", "full-session-analytics", "calculate-total-foreground-time", "passkeys", "passkey-registration", "passkey-authentication", "passkey-reauthentication", "passkey-conditional-create", "passkey-management", "flicker-free-client-side-ab-testing", "consistent-cross-document-transitions", "stabilize-reactive-state", "resilient-context-menus-and-nested-dropdowns", "persistent-top-layer-ui", "detect-initial-visibility-state", "sequence-distributed-events", "translator", "language-detection", "support-global-calendar-systems", "capture-location-agnostic-data", "format-human-readable-durations", "manage-recurring-intervals", "calculate-event-differentials", "coordinate-global-events", "model-partial-time-concepts", "search-hidden-content", "select-menu-interaction", "style-parent-with-has", "autofill-address-form", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "autofill-highlight-inputs", "deliver-optimized-decorative-images", "resolution-optimized-pseudo-elements", "deprioritize-background-fetches", "efficient-background-processing", "webmcp", "agentic-forms", "agentic-javascript-tools", "language-model", "summarizer" ], "artifacts": [ { "type": "other", "path": "evidence/cookies.json", "caption": "cookies", "findingIds": [ "F11", "F12" ] }, { "type": "screenshot", "path": "evidence/discoverability-home-crawler.png", "caption": "discoverability home crawler" }, { "type": "screenshot", "path": "evidence/discoverability-home-rendered.png", "caption": "discoverability home rendered" }, { "type": "discoverability", "path": "evidence/discoverability-home.json", "caption": "discoverability home" }, { "type": "other", "path": "evidence/guidance-ids.txt", "caption": "guidance ids" }, { "type": "other", "path": "evidence/guidance-list.json", "caption": "guidance list" }, { "type": "other", "path": "evidence/guidance-retrieved.md", "caption": "guidance retrieved" }, { "type": "other", "path": "evidence/guidance-searches.jsonl", "caption": "guidance searches" }, { "type": "other", "path": "evidence/headers.json", "caption": "headers", "findingIds": [ "F11", "F13" ] }, { "type": "screenshot", "path": "evidence/home-contrast.png", "caption": "home contrast" }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark", "findingIds": [ "F1" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop", "findingIds": [ "F1", "F7", "F14", "F15" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom" }, { "type": "heap", "path": "evidence/home-heap.json", "caption": "home heap", "findingIds": [ "F17" ] }, { "type": "layout", "path": "evidence/home-layout-mobile.json", "caption": "home layout mobile" }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile", "findingIds": [ "F3" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "home summary", "findingIds": [ "F4", "F5", "F6", "F12", "F15", "F16", "F17" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary", "findingIds": [ "F4" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "home trace" }, { "type": "har", "path": "evidence/home.har", "caption": "home" }, { "type": "other", "path": "evidence/images.json", "caption": "images" }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "lighthouse", "findingIds": [ "F4", "F5", "F6", "F7", "F9", "F10" ] }, { "type": "other", "path": "evidence/page-probe.json", "caption": "page probe", "findingIds": [ "F1", "F3", "F7", "F14" ] }, { "type": "other", "path": "evidence/recon.json", "caption": "recon" }, { "type": "dom", "path": "evidence/region-dom.json", "caption": "region dom", "findingIds": [ "F2", "F8" ] }, { "type": "screenshot", "path": "evidence/region-mobile.png", "caption": "region mobile", "findingIds": [ "F2", "F8" ] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots", "findingIds": [ "F10" ] }, { "type": "other", "path": "evidence/secrets.json", "caption": "secrets" }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "sitemap" }, { "type": "screenshot", "path": "evidence/top-desktop.png", "caption": "top desktop" }, { "type": "other", "path": "evidence/top-recon.json", "caption": "top recon" }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers", "findingIds": [ "F12", "F16" ] } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 53, "blocked": 5, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": false }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "The normal and prefers-color-scheme: dark screenshots are pixel-identical; the CSS probe found no color-scheme declaration, prefers-color-scheme rule, or light-dark() usage.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-dark.png", "evidence/page-probe.json" ], "findingIds": [ "F1" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "Animation and CSS probes found no animations or reduced-motion-sensitive motion on the gate, so no non-essential motion persists under the preference.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/page-probe.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "The prefers-contrast screenshot keeps text, outlines, and both controls visible with the same high-legibility presentation.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-contrast.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "The accessible gate has no in-page state swap; its two actions are ordinary cross-origin/document navigations, so there is no abrupt custom state transition to smooth.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/page-probe.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "The accessible gate has no scroll-linked motion to implement; CSS and animation probes found none.", "reason": "The accessible gate has no scroll-linked motion to implement; CSS and animation probes found none.", "pathIds": [ "age-gate" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "The accessible gate exposes only ordinary links and no gesture-driven interaction.", "reason": "The accessible gate exposes only ordinary links and no gesture-driven interaction.", "pathIds": [ "age-gate" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "The accessible gate has no sticky or scroll-dependent chrome.", "reason": "The accessible gate has no sticky or scroll-dependent chrome.", "pathIds": [ "age-gate" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "The accessible gate has no tooltip, popover, or menu requiring anchored positioning.", "reason": "The accessible gate has no tooltip, popover, or menu requiring anchored positioning.", "pathIds": [ "age-gate" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "Desktop and mobile screenshots use a clear question followed immediately by two labelled choices, with the primary action visually emphasized.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "Load screenshots show the required age gate directly, without an additional popup, ad interstitial, or content-obscuring banner layered over it.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "No overlay, disclosure, dialog, picker, or transient rich control appears on the accessible gate.", "reason": "No overlay, disclosure, dialog, picker, or transient rich control appears on the accessible gate.", "pathIds": [ "age-gate" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "The accessible gate devotes its layout to explanatory text and two decisions, with minimal framing and no competing navigation chrome.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "The 360x800 screenshot shows the entire denial UI compressed into a tiny cluster; DOM evidence reports no viewport meta tag and fixed pixel sizing.", "pathIds": [ "regional-denial" ], "artifacts": [ "evidence/region-mobile.png", "evidence/region-dom.json" ], "findingIds": [ "F2" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "The accessible gate has no component reused in meaningfully different containers; its simple layout responds at the page level.", "reason": "The accessible gate has no component reused in meaningfully different containers; its simple layout responds at the page level.", "pathIds": [ "age-gate" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "The active-element/target probe measured both “I Agree” and “Reject” links at 240x40 CSS pixels. Keyboard focus is visible, but touch target height is only 40px.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/page-probe.json", "evidence/home-mobile.png" ], "findingIds": [ "F3" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "The first viewport states that this is an adult site, asks whether the visitor is at least 18, and exposes “I Agree” and “Reject” directly.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "blocked", "confidence": "high", "method": "Attempted the age-confirmation continuation and inspected its redirect destination.", "evidence": "The audit attempted to continue through the age-confirmation journey, but the service redirected this audit location to https://special.fanza.jp/not-available-in-your-region/. Catalog, product, search, authentication, account and checkout surfaces could not be executed.", "reason": "The audit attempted to continue through the age-confirmation journey, but the service redirected this audit location to https://special.fanza.jp/not-available-in-your-region/. Catalog, product, search, authentication, account and checkout surfaces could not be executed.", "pathIds": [ "age-confirmation", "excluded-surfaces" ], "artifacts": [ "evidence/top-desktop.png", "evidence/top-recon.json", "evidence/region-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "After continuation is denied by region, the recovery page clearly states the condition and links to available services and the top page.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/region-mobile.png" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "Lighthouse measured LCP 0.9s and CLS 0; the trace saw no long tasks and mobile layout observed CLS 0. TBT was 210ms, below the 300ms Lighthouse good threshold.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "The mobile layout observer recorded CLS 0 with no shift entries, and Lighthouse also reports CLS 0.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-layout-mobile.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "Lighthouse measured LCP at 0.9s but Time to Interactive at 8.4s and TBT at 210ms; the HAR attributes 1.04MB transferred to scripts.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F4" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "The HAR records three consecutive first-party 302 redirects before the localized age gate; Lighthouse estimates 870ms redirect savings and reports 1,650ms document-request latency savings.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse.json" ], "findingIds": [ "F5" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "Lighthouse estimates 374KiB of unused JavaScript; the HAR shows 21 script requests and 920,347 third-party bytes, including six Google Tag Manager/gtag payloads totaling about 857KB.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-summary.json" ], "findingIds": [ "F6" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "The two meaningful controls are native anchors with clear text; Lighthouse accessibility is 0.98 and reports no accessible-name failure. Decorative/tracking images do not carry user-facing meaning.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "Lighthouse reports no color-contrast failure, and normal/high-contrast screenshots keep all essential text and controls visibly distinct.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-contrast.png" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "The DOM probe found no headings and no main, nav, header, footer, or aside landmarks; Lighthouse specifically fails landmark-one-main. Focus on the links remains visible.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/page-probe.json", "evidence/lighthouse.json", "evidence/home-desktop.png" ], "findingIds": [ "F7" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "The entry page uses readable line lengths, spacing, and type at desktop and mobile sizes without clipping or cramped wrapping.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "At 360x800 the complete desktop layout is scaled into a tiny central cluster; DOM evidence confirms that the template omits meta viewport.", "pathIds": [ "regional-denial" ], "artifacts": [ "evidence/region-mobile.png", "evidence/region-dom.json" ], "findingIds": [ "F8" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "Lighthouse does not report the errors-in-console audit as failing during the captured load.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "DOM evidence shows an HTML doctype and UTF-8 charset; layout records CLS 0, and the visible assets are SVG at appropriate rendered resolution.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-dom.json" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "Lighthouse reports one deprecated API warning, logged inspector issues, and three BFCache failure reasons.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F9" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "The entry gate has the descriptive title “年齢認証 - FANZA” and an English meta description explaining the adult-site restriction.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/page-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "Lighthouse fails the robots-txt audit; the fetched robots.txt artifact is retained for correction. Entry links themselves use real href values and the age gate has a viewport meta tag.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/lighthouse.json", "evidence/robots.txt" ], "findingIds": [ "F10" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "blocked", "confidence": "high", "method": "Attempted the age-confirmation continuation and inspected its redirect destination.", "evidence": "The audit attempted to continue through the age-confirmation journey, but the service redirected this audit location to https://special.fanza.jp/not-available-in-your-region/. Catalog, product, search, authentication, account and checkout surfaces could not be executed.", "reason": "The audit attempted to continue through the age-confirmation journey, but the service redirected this audit location to https://special.fanza.jp/not-available-in-your-region/. Catalog, product, search, authentication, account and checkout surfaces could not be executed.", "pathIds": [ "age-confirmation", "excluded-surfaces" ], "artifacts": [ "evidence/top-desktop.png", "evidence/top-recon.json", "evidence/region-mobile.png" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "The gate is an age check, not an article/product/event/entity intended for rich-result or social-preview representation.", "reason": "The gate is an age check, not an article/product/event/entity intended for rich-result or social-preview representation.", "pathIds": [ "age-gate" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "The headers primitive found no CSP, HSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, or Permissions-Policy. The cookie audit found 3 cookies without Secure and 11 using SameSite=None.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "The tracker scan found 15 third-party origins and known DoubleClick, Google Tag Manager, and AppNexus trackers. HAR evidence shows 25 third-party requests and 920,347 third-party bytes on a two-link gate.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json", "evidence/cookies.json" ], "findingIds": [ "F12" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "blocked", "confidence": "high", "method": "Attempted the age-confirmation continuation and inspected its redirect destination.", "evidence": "The audit attempted to continue through the age-confirmation journey, but the service redirected this audit location to https://special.fanza.jp/not-available-in-your-region/. Catalog, product, search, authentication, account and checkout surfaces could not be executed.", "reason": "The audit attempted to continue through the age-confirmation journey, but the service redirected this audit location to https://special.fanza.jp/not-available-in-your-region/. Catalog, product, search, authentication, account and checkout surfaces could not be executed.", "pathIds": [ "age-confirmation", "excluded-surfaces" ], "artifacts": [ "evidence/top-desktop.png", "evidence/top-recon.json", "evidence/region-mobile.png" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "The header audit reports no clickjacking defense, Referrer-Policy, Permissions-Policy, CSP/frame-ancestors, or HSTS.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "Discoverability evidence reports 100% raw-HTML content coverage, no empty shell, and identical meaningful content without JavaScript.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/discoverability-home.json" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "The accessible gate has no overlay/menu state or asynchronous content dependency; its ordinary links remain usable and the page renders fully from raw HTML.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/discoverability-home.json" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "The entry gate is a short prerequisite document rather than an installable app; offline installation is not a proportionate requirement.", "reason": "The entry gate is a short prerequisite document rather than an installable app; offline installation is not a proportionate requirement.", "pathIds": [ "age-gate" ] }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "The regional denial is an intentional, explanatory state with two recovery links rather than a blank shell or infinite spinner.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/region-mobile.png" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "The rendered content and description are English, while the DOM probe reports . The inspected CSS also contains no logical property usage.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/page-probe.json", "evidence/home-desktop.png" ], "findingIds": [ "F14" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "No dates, numbers, currency, durations, or calendar data appear on the accessible surfaces.", "reason": "No dates, numbers, currency, durations, or calendar data appear on the accessible surfaces.", "pathIds": [ "age-gate" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "No event or time-zone-sensitive data appears on the accessible surfaces.", "reason": "No event or time-zone-sensitive data appears on the accessible surfaces.", "pathIds": [ "age-gate" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "The age decision presents plainly labelled Agree and Reject options together; rejection is not hidden or confirm-shamed in the observed gate.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "No form or validation interaction exists on the accessible gate.", "reason": "No form or validation interaction exists on the accessible gate.", "pathIds": [ "age-gate" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "No text, address, payment, sign-in, or sign-up inputs exist on the accessible gate.", "reason": "No text, address, payment, sign-in, or sign-up inputs exist on the accessible gate.", "pathIds": [ "age-gate" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "blocked", "confidence": "high", "method": "Attempted the age-confirmation continuation and inspected its redirect destination.", "evidence": "The audit attempted to continue through the age-confirmation journey, but the service redirected this audit location to https://special.fanza.jp/not-available-in-your-region/. Catalog, product, search, authentication, account and checkout surfaces could not be executed.", "reason": "The audit attempted to continue through the age-confirmation journey, but the service redirected this audit location to https://special.fanza.jp/not-available-in-your-region/. Catalog, product, search, authentication, account and checkout surfaces could not be executed.", "pathIds": [ "age-confirmation", "excluded-surfaces" ], "artifacts": [ "evidence/top-desktop.png", "evidence/top-recon.json", "evidence/region-mobile.png" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "pass", "confidence": "high", "method": "Direct visual, DOM, layout, network, Lighthouse, or discoverability inspection.", "evidence": "Visible visual assets are small SVGs at their displayed resolution; the images probe found no oversized image and no legacy raster format.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/images.json" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "The HAR records 43 requests and 1,067,565 transferred bytes for a page containing two primary links; 21 requests and 1,041,721 bytes are scripts.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-desktop.png" ], "findingIds": [ "F15" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "Third parties account for 920,347 bytes and 25 requests; Google Tag Manager/gtag alone contributes roughly 857KB across six requests.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "The accessible surface is a safety gate with no agent-facing task to expose; deeper commerce capabilities were geo-blocked and cannot be inferred.", "reason": "The accessible surface is a safety gate with no agent-facing task to expose; deeper commerce capabilities were geo-blocked and cannot be inferred.", "pathIds": [ "age-gate" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "No summarisation or language-model use case is present on the accessible gate; this emerging capability is not required here.", "reason": "No summarisation or language-model use case is present on the accessible gate; this emerging capability is not required here.", "pathIds": [ "age-gate" ] }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "not-applicable", "confidence": "high", "method": "Recon of the reachable gate and denial surfaces plus DOM/CSS feature inspection.", "evidence": "The accessible gate is static and has no representative open/close, route-and-back, feed, or editor interaction to repeat without leaving the blocked flow.", "reason": "The accessible gate is static and has no representative open/close, route-and-back, feed, or editor interaction to repeat without leaving the blocked flow.", "pathIds": [ "age-gate" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "medium", "method": "Direct screenshot/DOM/CDP/Lighthouse evidence on the reachable entry or regional-denial path.", "evidence": "A heap summary after load contains 340,289 nodes, 1,414,953 edges, and 18,817,003 bytes of self size; this aligns with the unusually heavy analytics/script payload, though deeper retained-path analysis was not possible.", "pathIds": [ "age-gate" ], "artifacts": [ "evidence/home-heap.json", "evidence/home-summary.json" ], "findingIds": [ "F17" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "blocked", "confidence": "high", "method": "Attempted the age-confirmation continuation and inspected its redirect destination.", "evidence": "The audit attempted to continue through the age-confirmation journey, but the service redirected this audit location to https://special.fanza.jp/not-available-in-your-region/. Catalog, product, search, authentication, account and checkout surfaces could not be executed.", "reason": "The audit attempted to continue through the age-confirmation journey, but the service redirected this audit location to https://special.fanza.jp/not-available-in-your-region/. Catalog, product, search, authentication, account and checkout surfaces could not be executed.", "pathIds": [ "age-confirmation", "excluded-surfaces" ], "artifacts": [ "evidence/top-desktop.png", "evidence/top-recon.json", "evidence/region-mobile.png" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F1" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "pass" }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "pass" }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "pass" }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F2", "F3" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "incomplete", "reason": "One or more checks require site surfaces that were blocked by the external regional restriction." }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F4", "F5", "F6" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F7", "F8" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F9" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F10" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F11", "F12", "F13" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "pass" }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "issues", "findingIds": [ "F14" ] }, { "principleId": "be-trustworthy", "expectation": "default", "status": "incomplete", "reason": "One or more checks require site surfaces that were blocked by the external regional restriction." }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F15", "F16" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "The accessible surface is a safety gate with no agent-facing task to expose; deeper commerce capabilities were geo-blocked and cannot be inferred. No summarisation or language-model use case is present on the accessible gate; this emerging capability is not required here." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F17" ] } ], "paths": [ { "id": "age-gate", "description": "Public entry and age-confirmation gate, representing the only complete www.dmm.co.jp surface reachable from this audit location.", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "conditions": [ "desktop", "viewport: 360x800", "prefers-color-scheme: dark", "prefers-contrast: more", "keyboard focus", "JavaScript disabled crawler view" ], "result": "issues" }, { "id": "age-confirmation", "description": "Primary continuation journey: choose “I Agree”. The destination was redirected to a regional-availability denial.", "url": "https://www.dmm.co.jp/age_check/=/declared=yes/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "conditions": [ "desktop" ], "result": "failed" }, { "id": "regional-denial", "description": "Externally imposed regional-denial template reached after age confirmation; inspected as the recovery state.", "url": "https://special.fanza.jp/not-available-in-your-region/", "conditions": [ "viewport: 360x800" ], "result": "issues" }, { "id": "excluded-surfaces", "description": "Catalog, listing, product/detail, search, account, authentication and commercial flows were not covered because the service redirects this audit location to a regional block.", "conditions": [ "external geo restriction" ], "result": "skipped" } ], "findings": [ { "id": "F1", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "The entry surface is fixed to a light palette and does not honor the user’s dark color-scheme preference.", "evidence": "The normal and prefers-color-scheme: dark screenshots are pixel-identical; the CSS probe found no color-scheme declaration, prefers-color-scheme rule, or light-dark() usage.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-dark.png", "evidence/page-probe.json" ], "suggestedFix": "Declare color-scheme: light dark and define semantic surface/text colors under prefers-color-scheme or light-dark(), preserving contrast in both modes.", "effort": "small" }, { "id": "F2", "pathId": "regional-denial", "url": "https://special.fanza.jp/not-available-in-your-region/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "guidanceCategory": "css", "severity": "high", "confidence": "high", "summary": "The regional-denial state does not adapt to mobile and renders at a desktop scale that is extremely difficult to read.", "evidence": "The 360x800 screenshot shows the entire denial UI compressed into a tiny cluster; DOM evidence reports no viewport meta tag and fixed pixel sizing.", "artifacts": [ "evidence/region-mobile.png", "evidence/region-dom.json" ], "suggestedFix": "Add a responsive viewport meta tag and use fluid/intrinsic sizing with mobile typography and spacing rather than a desktop canvas scaled down.", "effort": "small" }, { "id": "F3", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "low", "confidence": "high", "summary": "The two primary touch targets are shorter than the recommended 44 CSS pixel target size.", "evidence": "The active-element/target probe measured both “I Agree” and “Reject” links at 240x40 CSS pixels. Keyboard focus is visible, but touch target height is only 40px.", "artifacts": [ "evidence/page-probe.json", "evidence/home-mobile.png" ], "suggestedFix": "Increase the interactive hit area to at least 44x44 CSS pixels while retaining the visible focus treatment.", "effort": "trivial" }, { "id": "F4", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-main-thread", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "severity": "medium", "confidence": "high", "summary": "A two-action gate becomes interactive much later than its content appears because of avoidable script work.", "evidence": "Lighthouse measured LCP at 0.9s but Time to Interactive at 8.4s and TBT at 210ms; the HAR attributes 1.04MB transferred to scripts.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-summary.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Keep the gate server-rendered and defer non-essential analytics and application JavaScript until after the user acts or the browser is idle.", "effort": "medium" }, { "id": "F5", "pathId": "age-gate", "url": "https://www.dmm.co.jp", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-script-priority", "guidanceCategory": "performance", "severity": "medium", "confidence": "high", "summary": "Multiple redirects and third-party script chains delay the entry document.", "evidence": "The HAR records three consecutive first-party 302 redirects before the localized age gate; Lighthouse estimates 870ms redirect savings and reports 1,650ms document-request latency savings.", "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse.json" ], "suggestedFix": "Route the entry URL directly to the localized gate and delay low-value third-party scripts so the critical document path remains short.", "effort": "medium" }, { "id": "F6", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "conditional-async-dependencies", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "The minimal age gate ships a disproportionate amount of unused and duplicated analytics JavaScript.", "evidence": "Lighthouse estimates 374KiB of unused JavaScript; the HAR shows 21 script requests and 920,347 third-party bytes, including six Google Tag Manager/gtag payloads totaling about 857KB.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-summary.json" ], "suggestedFix": "Consolidate tag containers, remove duplicate vendors, and conditionally load analytics only after consent or a user action that needs it.", "effort": "large" }, { "id": "F7", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "The age gate lacks semantic page structure despite having clear visual hierarchy.", "evidence": "The DOM probe found no headings and no main, nav, header, footer, or aside landmarks; Lighthouse specifically fails landmark-one-main. Focus on the links remains visible.", "artifacts": [ "evidence/page-probe.json", "evidence/lighthouse.json", "evidence/home-desktop.png" ], "suggestedFix": "Wrap primary content in
and represent the page title/question with a logical h1/h2 hierarchy without changing the visual design.", "effort": "small" }, { "id": "F8", "pathId": "regional-denial", "url": "https://special.fanza.jp/not-available-in-your-region/", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "fluid-scaling", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "The post-confirmation denial state fails mobile reflow and presents text and controls at an unusably small scale.", "evidence": "At 360x800 the complete desktop layout is scaled into a tiny central cluster; DOM evidence confirms that the template omits meta viewport.", "artifacts": [ "evidence/region-mobile.png", "evidence/region-dom.json" ], "suggestedFix": "Add width=device-width, initial-scale=1 and responsive type/spacing so the error and recovery controls reflow at narrow widths and zoom.", "effort": "small" }, { "id": "F9", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "The entry page triggers deprecated API, DevTools Issues, and back/forward cache failures.", "evidence": "Lighthouse reports one deprecated API warning, logged inspector issues, and three BFCache failure reasons.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Remove deprecated API usage, resolve DevTools Issues, and eliminate unload/cache-control or related blockers identified by the Lighthouse BFCache audit.", "effort": "medium" }, { "id": "F10", "pathId": "age-gate", "url": "https://www.dmm.co.jp/robots.txt", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "The site’s robots.txt is not valid according to Lighthouse.", "evidence": "Lighthouse fails the robots-txt audit; the fetched robots.txt artifact is retained for correction. Entry links themselves use real href values and the age gate has a viewport meta tag.", "artifacts": [ "evidence/lighthouse.json", "evidence/robots.txt" ], "suggestedFix": "Correct unsupported or malformed robots.txt directives and verify the intended public paths remain crawlable.", "effort": "small" }, { "id": "F11", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "The HTTPS entry document omits baseline transport and content security headers, and several cookies are not Secure.", "evidence": "The headers primitive found no CSP, HSTS, X-Content-Type-Options, X-Frame-Options, Referrer-Policy, or Permissions-Policy. The cookie audit found 3 cookies without Secure and 11 using SameSite=None.", "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "suggestedFix": "Deploy HSTS, a restrictive CSP, nosniff, clickjacking protection, Referrer-Policy and Permissions-Policy; mark all HTTPS cookies Secure and use Lax/Strict unless cross-site use is required.", "effort": "medium" }, { "id": "F12", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "privacy", "severity": "high", "confidence": "high", "summary": "Extensive tracking starts on the age gate before the user can enter the service or express a privacy choice.", "evidence": "The tracker scan found 15 third-party origins and known DoubleClick, Google Tag Manager, and AppNexus trackers. HAR evidence shows 25 third-party requests and 920,347 third-party bytes on a two-link gate.", "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json", "evidence/cookies.json" ], "suggestedFix": "Minimise collection on the gate, delay non-essential trackers until valid consent, and consolidate analytics into a small first-party, batched path.", "effort": "large" }, { "id": "F13", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "Browser-enforced defensive policies are absent from the entry response.", "evidence": "The header audit reports no clickjacking defense, Referrer-Policy, Permissions-Policy, CSP/frame-ancestors, or HSTS.", "artifacts": [ "evidence/headers.json" ], "suggestedFix": "Add frame-ancestors (or X-Frame-Options as fallback), strict referrer and permissions policies, HSTS, and a nonce/hash-based CSP; evaluate Trusted Types for script-heavy surfaces.", "effort": "medium" }, { "id": "F14", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "be-internationalised", "principleCheckId": "lang-dir-and-logical-properties", "guidanceId": "translator", "guidanceCategory": "internationalization", "severity": "medium", "confidence": "high", "summary": "The localized English gate declares Japanese as the document language.", "evidence": "The rendered content and description are English, while the DOM probe reports . The inspected CSS also contains no logical property usage.", "artifacts": [ "evidence/page-probe.json", "evidence/home-desktop.png" ], "suggestedFix": "Set lang=\"en\" on the English gate (and the correct language on every locale), provide dir where needed, and prefer logical CSS properties for translation-safe layout.", "effort": "small" }, { "id": "F15", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Background analytics work is disproportionate to the tiny gate’s user value.", "evidence": "The HAR records 43 requests and 1,067,565 transferred bytes for a page containing two primary links; 21 requests and 1,041,721 bytes are scripts.", "artifacts": [ "evidence/home-summary.json", "evidence/home-desktop.png" ], "suggestedFix": "Remove redundant tags and defer or batch any remaining measurement until consent and idle time.", "effort": "large" }, { "id": "F16", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "efficient-background-processing", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Third-party scripts dominate the page-weight budget.", "evidence": "Third parties account for 920,347 bytes and 25 requests; Google Tag Manager/gtag alone contributes roughly 857KB across six requests.", "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json" ], "suggestedFix": "Set a strict third-party byte/request budget, consolidate vendors, self-host only justified dependencies, and load optional tags on demand.", "effort": "large" }, { "id": "F17", "pathId": "age-gate", "url": "https://www.dmm.co.jp/en/age_check/=/?rurl=https%3A%2F%2Fwww.dmm.co.jp%2Ftop%2F", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "severity": "medium", "confidence": "medium", "summary": "The initial heap footprint is large for a static two-action gate.", "evidence": "A heap summary after load contains 340,289 nodes, 1,414,953 edges, and 18,817,003 bytes of self size; this aligns with the unusually heavy analytics/script payload, though deeper retained-path analysis was not possible.", "artifacts": [ "evidence/home-heap.json", "evidence/home-summary.json" ], "suggestedFix": "Remove redundant analytics and framework work from the gate, then set and monitor a heap/node budget using repeatable snapshots.", "effort": "large" } ], "taskList": [ { "id": "T1", "title": "Minimise and consent-gate analytics, remove duplicate tag containers, and enforce a strict third-party byte/request budget.", "priority": 1, "findingIds": [ "F12", "F6", "F15", "F16", "F4" ], "guidanceId": "privacy", "status": "open" }, { "id": "T2", "title": "Deploy HSTS, a restrictive nonce/hash CSP, nosniff, clickjacking protection, Referrer-Policy, Permissions-Policy, and secure cookie attributes.", "priority": 2, "findingIds": [ "F11", "F13" ], "guidanceId": "security", "status": "open" }, { "id": "T3", "title": "Repair the regional-denial template with a responsive viewport, fluid sizing, readable mobile type, and proper reflow.", "priority": 3, "findingIds": [ "F2", "F8" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T4", "title": "Add a main landmark and logical heading hierarchy to the age gate.", "priority": 4, "findingIds": [ "F7" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T5", "title": "Set the correct document language per localized gate and migrate layout CSS toward logical properties.", "priority": 5, "findingIds": [ "F14" ], "guidanceId": "translator", "status": "open" }, { "id": "T6", "title": "Collapse the entry redirect chain and keep non-critical scripts out of the critical document path.", "priority": 6, "findingIds": [ "F5" ], "guidanceId": "optimize-script-priority", "status": "open" }, { "id": "T7", "title": "Increase both decision links to at least a 44 CSS pixel hit area.", "priority": 7, "findingIds": [ "F3" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T8", "title": "Resolve deprecated API, DevTools Issues, and BFCache blockers.", "priority": 8, "findingIds": [ "F9" ], "guidanceId": "html", "status": "open" }, { "id": "T9", "title": "Correct invalid robots.txt directives and verify intended crawl policy.", "priority": 9, "findingIds": [ "F10" ], "guidanceId": "html", "status": "open" }, { "id": "T10", "title": "Set and monitor a proportional heap/node budget after script reduction.", "priority": 10, "findingIds": [ "F17" ], "guidanceId": "identify-heavy-scripts", "status": "open" } ], "budget": { "pathCount": 3, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-28T04-19-49-814Z" }