{ "url": "https://www.pixiv.net", "auditedAt": "2026-07-28T09:19:23.238Z", "mode": "report", "status": "completed", "statusDetail": "Homepage was challenged by Cloudflare, but four representative public templates plus login and error recovery were directly audited. Authenticated posting, messaging, checkout/subscription, and account-management internals were not covered because they require an account.", "page": { "appType": "hybrid", "framework": "Next.js", "notes": "Public creative-content platform. Listing, artwork, profile, login, and 404 archetypes covered; homepage challenge recorded." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "layout-metrics", "trace", "har", "discoverability", "images", "headers", "cookies", "trackers", "secrets", "heap-summary", "lighthouse", "robots.txt" ], "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": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop" }, { "type": "screenshot", "path": "evidence/detail-attempt.png", "caption": "detail attempt" }, { "type": "screenshot", "path": "evidence/listing-attempt.png", "caption": "listing attempt" }, { "type": "screenshot", "path": "evidence/listing-mobile.png", "caption": "listing mobile" }, { "type": "screenshot", "path": "evidence/listing-dark.png", "caption": "listing dark" }, { "type": "dom", "path": "evidence/listing-dom.json", "caption": "listing dom" }, { "type": "layout", "path": "evidence/listing-layout.json", "caption": "listing layout" }, { "type": "trace", "path": "evidence/listing-trace.json", "caption": "listing trace" }, { "type": "trace-summary", "path": "evidence/listing-trace-summary.json", "caption": "listing trace summary" }, { "type": "har", "path": "evidence/listing.har", "caption": "listing" }, { "type": "har-summary", "path": "evidence/listing-summary.json", "caption": "listing summary" }, { "type": "discoverability", "path": "evidence/listing-discoverability.json", "caption": "listing discoverability" }, { "type": "screenshot", "path": "evidence/listing-discoverability-rendered.png", "caption": "listing discoverability rendered" }, { "type": "screenshot", "path": "evidence/listing-discoverability-crawler.png", "caption": "listing discoverability crawler" }, { "type": "other", "path": "evidence/listing-images.json", "caption": "listing images" }, { "type": "other", "path": "evidence/headers.json", "caption": "headers" }, { "type": "other", "path": "evidence/cookies.json", "caption": "cookies" }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers" }, { "type": "other", "path": "evidence/secrets.json", "caption": "secrets" }, { "type": "heap", "path": "evidence/heap-baseline.heapsnapshot", "caption": "heap baseline" }, { "type": "heap", "path": "evidence/heap-post2.heapsnapshot", "caption": "heap post2" }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "lighthouse" }, { "type": "screenshot", "path": "evidence/artwork.png", "caption": "artwork" }, { "type": "dom", "path": "evidence/artwork-dom.json", "caption": "artwork dom" }, { "type": "layout", "path": "evidence/artwork-layout.json", "caption": "artwork layout" }, { "type": "discoverability", "path": "evidence/artwork-discoverability.json", "caption": "artwork discoverability" }, { "type": "screenshot", "path": "evidence/artwork-discoverability-rendered.png", "caption": "artwork discoverability rendered" }, { "type": "screenshot", "path": "evidence/artwork-discoverability-crawler.png", "caption": "artwork discoverability crawler" }, { "type": "screenshot", "path": "evidence/profile.png", "caption": "profile" }, { "type": "dom", "path": "evidence/profile-dom.json", "caption": "profile dom" }, { "type": "screenshot", "path": "evidence/login.png", "caption": "login" }, { "type": "dom", "path": "evidence/login-dom.json", "caption": "login dom" } ], "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": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "The dark-emulated listing screenshot is byte-identical to the light desktop capture and remains white; DOM tokens include dark values but the rendered page stays light.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-dark.png", "evidence/listing-attempt.png" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "The live CSS probe found one active animation and no prefers-reduced-motion rule on the listing surface.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-dom.json" ], "findingIds": [ "F02" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "issues", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Lighthouse accessibility reported a failing color-contrast audit on the mobile listing.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-dom.json" ], "findingIds": [ "F03" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "The rendered CSS probe found no view-transition declarations across the listing SPA surface.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-dom.json" ], "findingIds": [ "F04" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path feature inventory", "evidence": "No parallax, scrollytelling, or scroll-linked reveal experience is part of the audited public templates.", "reason": "No parallax, scrollytelling, or scroll-linked reveal experience is part of the audited public templates.", "pathIds": [ "listing", "artwork", "login" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Screenshots and DOM show native document scrolling and standard controls; no custom pointer-driven gesture surface was present.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "The long mobile capture shows a 5,608px feed with no progress indication; the CSS probe found no scroll-state or scroll-timeline implementation.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-dom.json" ], "findingIds": [ "F05" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path feature inventory", "evidence": "No tooltip or edge-sensitive anchored overlay was opened or required in the representative logged-out flow.", "reason": "No tooltip or edge-sensitive anchored overlay was opened or required in the representative logged-out flow.", "pathIds": [ "listing", "artwork", "login" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Listing tabs, selected tag treatment, artwork hierarchy, and the 404 Back to Homepage action visibly direct the next step.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Public listing, artwork, and profile captures expose content without a full-screen interstitial; account prompts remain inline.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "DOM probes across listing and login found zero dialog, popover, and details elements despite menus and the privacy notice surface.", "pathIds": [ "login" ], "artifacts": [ "evidence/listing-dom.json" ], "findingIds": [ "F06" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Screenshots show artwork grids and content occupying most of the viewport with restrained persistent chrome.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "At the requested 360x800 condition, layout metrics exposed a 1,366 CSS-pixel layout viewport scaled to 0.2635 and the screenshot shows extremely small text and controls.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "findingIds": [ "F07" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "The CSS probe found no @container rules; mobile behavior relies on a scaled, fixed-width page and viewport-wide rules.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "findingIds": [ "F08" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility plus DOM, focus, target-size, and responsive screenshot probes", "evidence": "The live probe counted 193 rendered targets below 24px in at least one dimension; the first focused button computed to outline-style none. Lighthouse also failed target-size.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "findingIds": [ "F09" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Listing heading, artwork content, search, Create an account, and Log in actions communicate purpose and next steps.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "A logged-out user can browse listing to artwork/profile and reach a complete login form; no avoidable dead end occurred in that representative flow.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Unavailable artwork produced a clear Page not found state with a Back to Homepage action.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Trace, HAR, layout observer, Lighthouse, image audit, and screenshots", "evidence": "Trace measured LCP 6.98s; Lighthouse lab LCP was 21.0s, TBT 751ms, and CLS 0.111. Artwork layout CLS reached 0.358.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-trace-summary.json", "evidence/listing-summary.json", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "findingIds": [ "F10" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "issues", "confidence": "high", "method": "Trace, HAR, layout observer, Lighthouse, image audit, and screenshots", "evidence": "Layout observers measured CLS 0.205 on listing and 0.358 on artwork, with individual shifts up to 0.223.", "pathIds": [ "artwork" ], "artifacts": [ "evidence/listing-trace-summary.json", "evidence/listing-summary.json", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "issues", "confidence": "high", "method": "Trace, HAR, layout observer, Lighthouse, image audit, and screenshots", "evidence": "Trace found five long tasks and 168ms TBT; Lighthouse measured 751ms TBT.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-trace-summary.json", "evidence/listing-summary.json", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "findingIds": [ "F12" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Trace, HAR, layout observer, Lighthouse, image audit, and screenshots", "evidence": "HAR recorded 127 requests and 3.16MB transferred, including 2.84MB of script; trace LCP occurred at 6.98s.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-trace-summary.json", "evidence/listing-summary.json", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Trace, HAR, layout observer, Lighthouse, image audit, and screenshots", "evidence": "HAR recorded 69 script requests and 2.84MB transferred for a public listing, with many ad-tech origins.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-trace-summary.json", "evidence/listing-summary.json", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility plus DOM, focus, target-size, and responsive screenshot probes", "evidence": "Lighthouse failed image-alt, link-name, frame-title, landmark-one-main, and accessibility-tree audits; probe counted 121 unnamed links.", "pathIds": [ "listing" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility plus DOM, focus, target-size, and responsive screenshot probes", "evidence": "Lighthouse failed the color-contrast audit on the mobile listing.", "pathIds": [ "listing" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility plus DOM, focus, target-size, and responsive screenshot probes", "evidence": "The page has no main element, 121 unnamed links, and the focused button computed outline-style none.", "pathIds": [ "listing" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F17" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility plus DOM, focus, target-size, and responsive screenshot probes", "evidence": "The 360x800 screenshot fits a 1,366px-wide desktop canvas into the phone viewport, reducing text and controls to a fraction of intended size.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "findingIds": [ "F18" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility plus DOM, focus, target-size, and responsive screenshot probes", "evidence": "The narrow capture is a scaled desktop layout and Lighthouse failed target-size; the probe found 193 undersized targets.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "findingIds": [ "F19" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Lighthouse recorded CORS failures and failed resource loads from Geniee and Adingo advertising endpoints.", "pathIds": [ "listing" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F20" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Image audit found 17 of 24 images without dimensions, five oversized, five without srcset, and 21 in legacy formats.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-images.json" ], "findingIds": [ "F21" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Lighthouse reported deprecated Shared Storage, persistent storage, Topics, and Protected Audience use, plus BFCache and inspector-issues failures.", "pathIds": [ "listing" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "Raw-HTML/rendered-DOM discoverability comparison, crawler screenshot, metadata probe, and robots.txt fetch", "evidence": "Probe found a descriptive title and meta description on the listing; artwork also exposed a descriptive title in raw HTML.", "pathIds": [ "listing", "artwork" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "pass", "confidence": "high", "method": "Raw-HTML/rendered-DOM discoverability comparison, crawler screenshot, metadata probe, and robots.txt fetch", "evidence": "DOM contains real href links, viewport metadata is present, and robots.txt returned 200 with targeted rather than site-wide disallow rules.", "pathIds": [ "listing", "artwork" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "high", "method": "Raw-HTML/rendered-DOM discoverability comparison, crawler screenshot, metadata probe, and robots.txt fetch", "evidence": "Listing returned 200 and exposed canonical https://www.pixiv.net/en/tags/original; robots.txt was reachable and did not block the audited paths.", "pathIds": [ "listing", "artwork" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "high", "method": "Raw-HTML/rendered-DOM discoverability comparison, crawler screenshot, metadata probe, and robots.txt fetch", "evidence": "The artwork page has Open Graph metadata, but the live probe found zero JSON-LD blocks on the public content surface.", "pathIds": [ "artwork" ], "artifacts": [ "evidence/artwork-dom.json" ], "findingIds": [ "F23" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Headers, cookies, trackers, HAR, secrets scan, and login DOM inspection", "evidence": "Header audit found no CSP or X-Content-Type-Options; cookie audit found eight cookies without Secure and all 18 with SameSite=None.", "pathIds": [ "listing" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json", "evidence/trackers.json" ], "findingIds": [ "F24" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Headers, cookies, trackers, HAR, secrets scan, and login DOM inspection", "evidence": "Tracker audit found 34 third-party origins and 12 known tracker domains; multiple analytics identifiers persist for 400 days.", "pathIds": [ "listing" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json", "evidence/trackers.json" ], "findingIds": [ "F25" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "high", "method": "Headers, cookies, trackers, HAR, secrets scan, and login DOM inspection", "evidence": "No permission prompt appeared on load; login inputs use username webauthn and current-password webauthn autocomplete tokens plus federated options.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json", "evidence/trackers.json" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Headers, cookies, trackers, HAR, secrets scan, and login DOM inspection", "evidence": "Headers lacked CSP, Referrer-Policy, Permissions-Policy, and X-Content-Type-Options; HSTS and X-Frame-Options were present.", "pathIds": [ "listing" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json", "evidence/trackers.json" ], "findingIds": [ "F26" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "Raw-HTML/rendered-DOM discoverability comparison, crawler screenshot, metadata probe, and robots.txt fetch", "evidence": "Discoverability measured only 7% raw/rendered word coverage and classified the listing as a JS shell; artwork coverage was 14%.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-discoverability.json", "evidence/listing-discoverability-crawler.png", "evidence/artwork-discoverability.json" ], "findingIds": [ "F27" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Listing, artwork, profile, login, and error surfaces reached stable rendered states without clipped modal content.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Probe found a manifest URL and an active service-worker controller on the app-like listing surface.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "An unavailable artwork rendered an intentional 404 with clear recovery instead of a blank shell.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "The English listing and login set html lang=en and expose a visible language selector on login.", "pathIds": [ "listing", "login" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "The /en route renders localized English labels and human-readable dates on artwork cards rather than one fixed Japanese UI.", "pathIds": [ "listing", "login" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path feature inventory", "evidence": "The audited public art browsing and login surfaces contain no scheduling or time-zone-sensitive event flow.", "reason": "The audited public art browsing and login surfaces contain no scheduling or time-zone-sensitive event flow.", "pathIds": [ "listing", "artwork", "login" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Observed public browsing and login surfaces use explicit Create account and Log in labels without confirmshaming or disguised actions.", "pathIds": [ "listing", "login" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Login uses native text/password inputs and keeps alternative sign-in methods visible; the observed 404 gives neutral, actionable recovery.", "pathIds": [ "listing", "login" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Login probe found autocomplete=\"username webauthn\" and \"current-password webauthn\" on the credential fields.", "pathIds": [ "listing", "login" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "pass", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "Account entry identifies existing-account login separately from account creation and supports federated sign-in plus WebAuthn autocomplete.", "pathIds": [ "listing", "login" ], "artifacts": [ "evidence/listing-dom.json" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Trace, HAR, layout observer, Lighthouse, image audit, and screenshots", "evidence": "Image audit found 21 legacy-format images, five oversized images, five without srcset, and 17 without dimensions.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-images.json" ], "findingIds": [ "F28" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "Trace, HAR, layout observer, Lighthouse, image audit, and screenshots", "evidence": "HAR recorded 69 script requests and tracker audit found 34 third-party origins, while trace recorded repeated long tasks.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-dom.json" ], "findingIds": [ "F29" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Trace, HAR, layout observer, Lighthouse, image audit, and screenshots", "evidence": "The public listing transferred 3.16MB across 127 requests; 2.84MB was script and 34 third-party origins were contacted.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-dom.json" ], "findingIds": [ "F30" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "high", "method": "Representative screenshots plus rendered DOM/CSS and active evaluate probes", "evidence": "No structured agent capability was exposed, and non-JS discoverability covered only 7% of listing content despite clear search and browsing tasks.", "pathIds": [ "listing" ], "artifacts": [ "evidence/listing-discoverability.json", "evidence/listing-discoverability-crawler.png", "evidence/artwork-discoverability.json" ], "findingIds": [ "F31" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path feature inventory", "evidence": "No summarisation or language-model task is necessary to complete the audited browsing and authentication journeys.", "reason": "No summarisation or language-model task is necessary to complete the audited browsing and authentication journeys.", "pathIds": [ "listing", "artwork", "login" ] }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "issues", "confidence": "low", "method": "Baseline and post-interaction heap summaries after 10 repeated feed scroll cycles", "evidence": "Heap summary rose from 68.45MB and 1,463,236 nodes to 72.79MB and 1,537,506 nodes after 10 bottom/top scroll cycles, a 6.3% size increase. Separate-load noise limits confidence, but the direction warrants profiling.", "pathIds": [ "listing" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post2.heapsnapshot" ], "findingIds": [ "F32" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "high", "method": "Baseline and post-interaction heap summaries after 10 repeated feed scroll cycles", "evidence": "Baseline heap summary contained 1,463,236 nodes and 68.45MB self size before prolonged interaction.", "pathIds": [ "listing" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post2.heapsnapshot" ], "findingIds": [ "F33" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "high", "method": "Baseline and post-interaction heap summaries after 10 repeated feed scroll cycles", "evidence": "Neither baseline nor post-interaction heap summary listed Detached constructors among retained top constructors.", "pathIds": [ "listing", "artwork", "profile" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post2.heapsnapshot" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F01", "F02", "F03" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F04" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F05" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F06" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F07", "F08", "F09" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "pass" }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F10", "F11", "F12", "F13", "F14" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F15", "F16", "F17", "F18", "F19" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F20", "F21", "F22" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F23" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F24", "F25", "F26" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F27" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "pass" }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F28", "F29", "F30" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "F31" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F32", "F33" ] } ], "paths": [ { "id": "home", "description": "Entry page and navigation surface; attempted first, but Cloudflare human verification blocked this path.", "url": "https://www.pixiv.net", "conditions": [ "desktop", "5-second wait" ], "result": "failed" }, { "id": "listing", "description": "Public tag/listing archetype, including discovery, responsive layout, performance, accessibility, privacy, and repeated-scroll interaction.", "url": "https://www.pixiv.net/en/tags/original/artworks", "conditions": [ "desktop", "viewport: 360x800", "prefers-color-scheme: dark", "JavaScript disabled crawler view", "10 repeated scroll cycles" ], "result": "issues" }, { "id": "artwork", "description": "Representative artwork detail and rich-entity page selected from the live listing.", "url": "https://www.pixiv.net/en/artworks/97442340", "conditions": [ "desktop", "viewport: 360x800", "JavaScript disabled crawler view" ], "result": "issues" }, { "id": "profile", "description": "Representative creator profile archetype selected from the live listing.", "url": "https://www.pixiv.net/en/users/61735940", "conditions": [ "desktop" ], "result": "issues" }, { "id": "login", "description": "Primary authentication form and account-entry journey.", "url": "https://accounts.pixiv.net/login", "conditions": [ "desktop", "DOM/form inspection" ], "result": "pass" }, { "id": "error", "description": "Error recovery surface reached through an unavailable artwork URL.", "url": "https://www.pixiv.net/en/artworks/129624460", "conditions": [ "desktop" ], "result": "pass" } ], "findings": [ { "id": "F01", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Dark preference is ignored on public content pages", "evidence": "The dark-emulated listing screenshot is byte-identical to the light desktop capture and remains white; DOM tokens include dark values but the rendered page stays light.", "artifacts": [ "evidence/listing-dark.png", "evidence/listing-attempt.png" ], "suggestedFix": "Apply the existing dark design tokens from a prefers-color-scheme default unless the user has explicitly selected a stored theme.", "effort": "medium" }, { "id": "F02", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Motion is not reduced for users who request it", "evidence": "The live CSS probe found one active animation and no prefers-reduced-motion rule on the listing surface.", "artifacts": [ "evidence/listing-dom.json" ], "suggestedFix": "Wrap non-essential transitions and animations in prefers-reduced-motion: no-preference and provide a reduced alternative.", "effort": "medium" }, { "id": "F03", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "respect-user-preferences", "principleCheckId": "respects-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Automated contrast checks fail", "evidence": "Lighthouse accessibility reported a failing color-contrast audit on the mobile listing.", "artifacts": [ "evidence/listing-dom.json" ], "suggestedFix": "Raise text and control contrast to WCAG AA and verify in forced-colors and prefers-contrast modes.", "effort": "medium" }, { "id": "F04", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "user-experience", "severity": "low", "confidence": "high", "summary": "Route and state changes do not use View Transitions", "evidence": "The rendered CSS probe found no view-transition declarations across the listing SPA surface.", "artifacts": [ "evidence/listing-dom.json" ], "suggestedFix": "Use same-document View Transitions for tag, tab, and detail navigation while preserving reduced-motion behavior.", "effort": "small" }, { "id": "F05", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "scroll-progress-indicator", "guidanceCategory": "user-experience", "severity": "low", "confidence": "high", "summary": "Long listing chrome does not communicate scroll state", "evidence": "The long mobile capture shows a 5,608px feed with no progress indication; the CSS probe found no scroll-state or scroll-timeline implementation.", "artifacts": [ "evidence/listing-dom.json" ], "suggestedFix": "Add a lightweight declarative scroll progress or scroll-state treatment where it improves orientation.", "effort": "small" }, { "id": "F06", "pathId": "login", "url": "https://accounts.pixiv.net/login", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "user-experience", "severity": "low", "confidence": "high", "summary": "Transient UI is implemented without semantic overlay primitives", "evidence": "DOM probes across listing and login found zero dialog, popover, and details elements despite menus and the privacy notice surface.", "artifacts": [ "evidence/listing-dom.json" ], "suggestedFix": "Use dialog for modal flows and popover for transient menus/notices with native focus and light-dismiss behavior.", "effort": "small" }, { "id": "F07", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "guidanceCategory": "css", "severity": "high", "confidence": "high", "summary": "Mobile renders a scaled desktop canvas instead of a mobile layout", "evidence": "At the requested 360x800 condition, layout metrics exposed a 1,366 CSS-pixel layout viewport scaled to 0.2635 and the screenshot shows extremely small text and controls.", "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "suggestedFix": "Remove the 1160px body minimum width and create intrinsic mobile layouts that reflow at narrow widths.", "effort": "large" }, { "id": "F08", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "css", "severity": "medium", "confidence": "high", "summary": "Reusable content grids do not respond at component level", "evidence": "The CSS probe found no @container rules; mobile behavior relies on a scaled, fixed-width page and viewport-wide rules.", "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "suggestedFix": "Introduce size containers for artwork grids, cards, search, and account prompts and adapt them with @container.", "effort": "medium" }, { "id": "F09", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Many targets are too small and keyboard focus is not visible", "evidence": "The live probe counted 193 rendered targets below 24px in at least one dimension; the first focused button computed to outline-style none. Lighthouse also failed target-size.", "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "suggestedFix": "Increase targets to at least 24x24 CSS pixels with spacing and add an obvious :focus-visible ring.", "effort": "large" }, { "id": "F10", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "identify-inp-causes", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Core Web Vitals are outside good thresholds", "evidence": "Trace measured LCP 6.98s; Lighthouse lab LCP was 21.0s, TBT 751ms, and CLS 0.111. Artwork layout CLS reached 0.358.", "artifacts": [ "evidence/listing-trace-summary.json", "evidence/listing-summary.json", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "suggestedFix": "Prioritize the LCP asset, reduce startup JavaScript, and reserve all media and banner geometry.", "effort": "large" }, { "id": "F11", "pathId": "artwork", "url": "https://www.pixiv.net/en/artworks/97442340", "principleId": "be-fast-and-stable", "principleCheckId": "visual-stability", "guidanceId": "visually-stable-font-fallbacks", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Late content causes substantial layout shift", "evidence": "Layout observers measured CLS 0.205 on listing and 0.358 on artwork, with individual shifts up to 0.223.", "artifacts": [ "evidence/listing-trace-summary.json", "evidence/listing-summary.json", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "suggestedFix": "Reserve image, ad, account-prompt, and async-section space with dimensions or aspect-ratio.", "effort": "large" }, { "id": "F12", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-main-thread", "guidanceId": "break-up-long-tasks", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Startup JavaScript blocks the main thread", "evidence": "Trace found five long tasks and 168ms TBT; Lighthouse measured 751ms TBT.", "artifacts": [ "evidence/listing-trace-summary.json", "evidence/listing-summary.json", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "suggestedFix": "Break long tasks, defer non-critical work, and load ad/analytics code after content and interaction readiness.", "effort": "large" }, { "id": "F13", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-image-priority", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Critical delivery is slow and script-heavy", "evidence": "HAR recorded 127 requests and 3.16MB transferred, including 2.84MB of script; trace LCP occurred at 6.98s.", "artifacts": [ "evidence/listing-trace-summary.json", "evidence/listing-summary.json", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "suggestedFix": "Shorten dependency chains, prioritize the LCP image, and defer scripts that do not contribute to first content.", "effort": "large" }, { "id": "F14", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "The page ships an excessive script payload", "evidence": "HAR recorded 69 script requests and 2.84MB transferred for a public listing, with many ad-tech origins.", "artifacts": [ "evidence/listing-trace-summary.json", "evidence/listing-summary.json", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "suggestedFix": "Code-split by visible feature and remove, consolidate, or delay third-party bundles.", "effort": "large" }, { "id": "F15", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Controls and links lack accessible names and landmarks", "evidence": "Lighthouse failed image-alt, link-name, frame-title, landmark-one-main, and accessibility-tree audits; probe counted 121 unnamed links.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Give every actionable control an accessible name, title frames, provide alt text, and add a main landmark.", "effort": "large" }, { "id": "F16", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Some text fails WCAG contrast", "evidence": "Lighthouse failed the color-contrast audit on the mobile listing.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Update muted text and control colors to meet WCAG AA in every theme.", "effort": "medium" }, { "id": "F17", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Focus and document structure are not robust", "evidence": "The page has no main element, 121 unnamed links, and the focused button computed outline-style none.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Add semantic landmarks and headings, remove empty links, and implement consistent :focus-visible styling.", "effort": "large" }, { "id": "F18", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-inclusive", "principleCheckId": "legible-text", "guidanceId": "improve-text-layout-and-legibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Scaled mobile rendering makes text illegible", "evidence": "The 360x800 screenshot fits a 1,366px-wide desktop canvas into the phone viewport, reducing text and controls to a fraction of intended size.", "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "suggestedFix": "Reflow rather than scale the desktop canvas; use fluid type and comfortable card/grid measures.", "effort": "large" }, { "id": "F19", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "fluid-scaling", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Reflow and target sizing fail on mobile", "evidence": "The narrow capture is a scaled desktop layout and Lighthouse failed target-size; the probe found 193 undersized targets.", "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-layout.json", "evidence/lighthouse.json" ], "suggestedFix": "Remove fixed minimum widths and ensure controls remain usable at 320 CSS pixels and 400% zoom.", "effort": "large" }, { "id": "F20", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "Advertising requests generate console errors", "evidence": "Lighthouse recorded CORS failures and failed resource loads from Geniee and Adingo advertising endpoints.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Correct or remove failing ad integrations and contain optional third-party failures.", "effort": "medium" }, { "id": "F21", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "optimize-image-priority", "guidanceCategory": "performance", "severity": "medium", "confidence": "high", "summary": "Images lack dimensions and responsive delivery", "evidence": "Image audit found 17 of 24 images without dimensions, five oversized, five without srcset, and 21 in legacy formats.", "artifacts": [ "evidence/listing-images.json" ], "suggestedFix": "Add width and height, responsive srcset/sizes, and modern-format variants while retaining fallbacks.", "effort": "medium" }, { "id": "F22", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "Deprecated APIs and browser lifecycle blockers remain", "evidence": "Lighthouse reported deprecated Shared Storage, persistent storage, Topics, and Protected Audience use, plus BFCache and inspector-issues failures.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Update or remove deprecated third-party integrations and resolve BFCache and DevTools Issues blockers.", "effort": "medium" }, { "id": "F23", "pathId": "artwork", "url": "https://www.pixiv.net/en/artworks/97442340", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "Rich pages omit structured entity metadata", "evidence": "The artwork page has Open Graph metadata, but the live probe found zero JSON-LD blocks on the public content surface.", "artifacts": [ "evidence/artwork-dom.json" ], "suggestedFix": "Add accurate schema.org ImageObject or CreativeWork JSON-LD that matches visible artwork and creator data.", "effort": "medium" }, { "id": "F24", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "Security headers and cookie flags are incomplete", "evidence": "Header audit found no CSP or X-Content-Type-Options; cookie audit found eight cookies without Secure and all 18 with SameSite=None.", "artifacts": [ "evidence/headers.json", "evidence/cookies.json", "evidence/trackers.json" ], "suggestedFix": "Deploy a restrictive CSP and nosniff, then set Secure and the narrowest appropriate SameSite value on every cookie.", "effort": "large" }, { "id": "F25", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "privacy", "severity": "high", "confidence": "high", "summary": "Public browsing activates a large tracking footprint", "evidence": "Tracker audit found 34 third-party origins and 12 known tracker domains; multiple analytics identifiers persist for 400 days.", "artifacts": [ "evidence/headers.json", "evidence/cookies.json", "evidence/trackers.json" ], "suggestedFix": "Reduce tracking to essential, consented vendors, shorten identifier lifetime, and defer analytics until consent/context.", "effort": "large" }, { "id": "F26", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "Defensive browser policies are missing", "evidence": "Headers lacked CSP, Referrer-Policy, Permissions-Policy, and X-Content-Type-Options; HSTS and X-Frame-Options were present.", "artifacts": [ "evidence/headers.json", "evidence/cookies.json", "evidence/trackers.json" ], "suggestedFix": "Add CSP with frame-ancestors, nosniff, strict referrer policy, and a least-privilege Permissions-Policy.", "effort": "large" }, { "id": "F27", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "stabilize-reactive-state", "guidanceCategory": "user-experience", "severity": "high", "confidence": "high", "summary": "Core listing content is mostly unavailable without JavaScript", "evidence": "Discoverability measured only 7% raw/rendered word coverage and classified the listing as a JS shell; artwork coverage was 14%.", "artifacts": [ "evidence/listing-discoverability.json", "evidence/listing-discoverability-crawler.png", "evidence/artwork-discoverability.json" ], "suggestedFix": "Server-render meaningful artwork cards, links, creator names, and descriptions, then hydrate enhancements.", "effort": "large" }, { "id": "F28", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "performance", "severity": "medium", "confidence": "high", "summary": "Image delivery wastes bytes", "evidence": "Image audit found 21 legacy-format images, five oversized images, five without srcset, and 17 without dimensions.", "artifacts": [ "evidence/listing-images.json" ], "suggestedFix": "Serve responsive AVIF/WebP variants sized to their rendered slots and reserve dimensions.", "effort": "medium" }, { "id": "F29", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Background advertising and analytics dominate work", "evidence": "HAR recorded 69 script requests and tracker audit found 34 third-party origins, while trace recorded repeated long tasks.", "artifacts": [ "evidence/listing-dom.json" ], "suggestedFix": "Remove redundant vendors and defer non-essential background work until idle and consented.", "effort": "large" }, { "id": "F30", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "efficient-background-processing", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Third-party script cost is disproportionate", "evidence": "The public listing transferred 3.16MB across 127 requests; 2.84MB was script and 34 third-party origins were contacted.", "artifacts": [ "evidence/listing-dom.json" ], "suggestedFix": "Set a third-party byte/request budget and enforce it before adding or loading advertising vendors.", "effort": "large" }, { "id": "F31", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "guidanceCategory": "ai", "severity": "low", "confidence": "high", "summary": "Machine clients must scrape a JavaScript-heavy interface", "evidence": "No structured agent capability was exposed, and non-JS discoverability covered only 7% of listing content despite clear search and browsing tasks.", "artifacts": [ "evidence/listing-discoverability.json", "evidence/listing-discoverability-crawler.png", "evidence/artwork-discoverability.json" ], "suggestedFix": "Start with complete semantic server-rendered content and consider narrowly scoped agentic search/bookmark tools with user confirmation.", "effort": "small" }, { "id": "F32", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-memory-efficient", "principleCheckId": "no-leak-under-repeated-interaction", "guidanceId": "manage-recurring-intervals", "guidanceCategory": "performance", "severity": "medium", "confidence": "low", "summary": "Repeated feed interaction grows the retained heap", "evidence": "Heap summary rose from 68.45MB and 1,463,236 nodes to 72.79MB and 1,537,506 nodes after 10 bottom/top scroll cycles, a 6.3% size increase. Separate-load noise limits confidence, but the direction warrants profiling.", "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post2.heapsnapshot" ], "suggestedFix": "Profile repeated feed scrolling in one persistent session, release off-screen resources/listeners, and verify a plateau after garbage collection.", "effort": "medium" }, { "id": "F33", "pathId": "listing", "url": "https://www.pixiv.net/en/tags/original/artworks", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "defer-rendering-heavy-content", "guidanceCategory": "performance", "severity": "medium", "confidence": "high", "summary": "The public listing has a large baseline heap footprint", "evidence": "Baseline heap summary contained 1,463,236 nodes and 68.45MB self size before prolonged interaction.", "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post2.heapsnapshot" ], "suggestedFix": "Reduce initial component/object count, unload unused feature modules, and virtualize long result sets.", "effort": "medium" } ], "taskList": [ { "id": "T01", "title": "Fix true mobile reflow and focus/target sizing", "priority": 1, "findingIds": [ "F07", "F08", "F09", "F18", "F19" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T02", "title": "Reduce startup JavaScript and third-party execution", "priority": 2, "findingIds": [ "F12", "F13", "F14", "F29", "F30" ], "guidanceId": "break-up-long-tasks", "status": "open" }, { "id": "T03", "title": "Reserve layout space and optimize responsive images", "priority": 3, "findingIds": [ "F11", "F21", "F28" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T04", "title": "Server-render meaningful listing and artwork content", "priority": 4, "findingIds": [ "F27", "F31" ], "guidanceId": "stabilize-reactive-state", "status": "open" }, { "id": "T05", "title": "Reduce tracking and secure cookies", "priority": 5, "findingIds": [ "F24", "F25" ], "guidanceId": "privacy", "status": "open" }, { "id": "T06", "title": "Deploy missing defensive response headers", "priority": 6, "findingIds": [ "F26" ], "guidanceId": "security", "status": "open" }, { "id": "T07", "title": "Repair accessible names, landmarks, contrast, and focus", "priority": 7, "findingIds": [ "F03", "F15", "F16", "F17", "F18", "F19" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T08", "title": "Improve LCP and layout stability to good CWV thresholds", "priority": 8, "findingIds": [ "F10", "F11" ], "guidanceId": "identify-inp-causes", "status": "open" }, { "id": "T09", "title": "Honor dark mode and reduced motion", "priority": 9, "findingIds": [ "F01", "F02", "F03" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T10", "title": "Replace ad-hoc transient UI with semantic primitives", "priority": 10, "findingIds": [ "F06" ], "guidanceId": "declarative-dialog-popover-control", "status": "open" }, { "id": "T11", "title": "Resolve console, deprecated API, BFCache, and inspector issues", "priority": 11, "findingIds": [ "F20", "F21", "F22" ], "guidanceId": "html", "status": "open" }, { "id": "T12", "title": "Add accurate CreativeWork structured data", "priority": 12, "findingIds": [ "F23" ], "guidanceId": "html", "status": "open" }, { "id": "T13", "title": "Profile feed heap growth in a persistent session", "priority": 13, "findingIds": [ "F32", "F33" ], "guidanceId": "manage-recurring-intervals", "status": "open" } ], "budget": { "pathCount": 6, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-28T09-19-23-238Z" }