{ "url": "https://de.wikipedia.org", "auditedAt": "2026-07-18T11:13:50.055Z", "mode": "report", "status": "completed", "statusDetail": "Atomic coverage complete: 58/58 checks judged across six representative paths. Authenticated editing, account creation, revision history, donation completion and locale variants were not covered because they require credentials, consequential actions, or duplicate templates.", "page": { "appType": "mpa", "framework": "MediaWiki (Vector 2022 desktop skin; Minerva mobile skin under mobile user-agent)", "notes": "Public server-rendered encyclopedia. Root redirects to Wikipedia:Hauptseite. Representative coverage includes homepage, article, category, search, login and missing-article recovery." }, "evidenceUsed": [ "screenshot", "forced-colors screenshot", "prefers-color-scheme screenshot", "layout-metrics", "dom", "evaluate-probe", "discoverability", "trace", "har", "headers", "cookies", "trackers", "secrets", "heap-summary before/after", "Lighthouse", "curl HTTP metadata", "Modern Web Guidance 0.0.172" ], "guidanceConsulted": [ "accessibility", "accessible-error-announcement", "adapt-scrollbar-to-contrast-preferences", "agentic-forms", "agentic-javascript-tools", "anchor-positioning-tab-underline", "animate-element-entry-exit", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "animated-select-picker", "apply-webgl-shaders", "autofill-address-form", "autofill-highlight-inputs", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "batch-analytics-events", "brand-consistent-forms", "branded-select-styling", "break-up-long-tasks", "calculate-event-differentials", "calculate-total-foreground-time", "calculate-with-intrinsic-sizes", "capture-location-agnostic-data", "carousel-slide-effects", "carousel-snap-highlights", "child-state-based-styling", "complex-shapes", "component-specific-light-dark-theme", "conditional-async-dependencies", "consistent-cross-document-transitions", "content-based-styling", "coordinate-global-events", "cross-document-transitions", "css", "css-layout", "custom-select-picker-layouts", "customize-scrollbar-color-and-thickness", "dark-mode", "declarative-dialog-popover-control", "defer-rendering-heavy-content", "defer-work-until-scroll-ends", "deliver-optimized-decorative-images", "deprioritize-background-fetches", "design-token-reactivity", "detect-initial-visibility-state", "directional-navigation-transitions", "dynamic-sibling-animations", "dynamic-sibling-styling", "efficient-background-processing", "export-html-media-from-canvas", "expose-canvas-content-to-browser-features", "faster-spa-view-transitions", "flicker-free-client-side-ab-testing", "fluid-scaling", "form-fields-automatically-fit-contents", "format-human-readable-durations", "forms", "full-session-analytics", "group-element-transitions", "highlight-text-ranges", "html", "identify-heavy-scripts", "identify-inp-causes", "improve-next-page-load-performance", "improve-text-layout-and-legibility", "individual-transform-properties", "interactions-in-complex-layouts", "interactive-content-in-3d-scenes", "interactive-content-reveal", "interest-triggered-action-previews", "interest-triggered-tooltips", "language-detection", "language-model", "light-dismiss-a-dialog", "manage-recurring-intervals", "model-partial-time-concepts", "move-dom-element-without-losing-state", "navigation-drawer", "optimize-image-priority", "optimize-preload-priority", "optimize-script-priority", "overflow-clipping-control", "parallax-scroll-effects", "passkey-authentication", "passkey-conditional-create", "passkey-management", "passkey-reauthentication", "passkey-registration", "passkeys", "performance", "persistent-app-tours", "persistent-toast-notifications", "persistent-top-layer-ui", "physics-based-easing", "platform-controls-dismiss-dialog", "position-aware-tooltips", "precise-text-alignment", "prevent-text-wrapping", "privacy", "pull-to-reveal", "reduce-style-repetition", "required-field-feedback", "resilient-context-menus-and-nested-dropdowns", "resolution-optimized-pseudo-elements", "rich-media-picker", "same-document-transitions", "schedule-tasks-by-priority", "scroll-entry-exit-effects", "scroll-position-aware-elements", "scroll-progress-indicator", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "scrollability-affordance-hints", "scrollytelling", "search-hidden-content", "security", "select-menu-interaction", "sequence-distributed-events", "shaped-cutouts", "shrinking-header-on-scroll", "size-aware-styling", "soft-edge-content-fade", "stabilize-reactive-state", "stack-drill-down", "style-parent-with-has", "summarizer", "support-global-calendar-systems", "swipe-to-remove", "translator", "validate-input-after-interaction", "visually-stable-font-fallbacks", "visually-stable-mixed-fonts", "visually-texture-content", "webmcp" ], "artifacts": [ { "type": "screenshot", "path": "evidence/article-desktop.png", "caption": "article desktop evidence artifact" }, { "type": "layout", "path": "evidence/article-layout-mobile.json", "caption": "article layout mobile evidence artifact", "findingIds": [ "F5" ] }, { "type": "screenshot", "path": "evidence/article-mobile.png", "caption": "article mobile evidence artifact", "findingIds": [ "F5" ] }, { "type": "other", "path": "evidence/article-navigation-overlay-probe.json", "caption": "article navigation overlay probe evidence artifact", "findingIds": [ "F2", "F3", "F4" ] }, { "type": "layout", "path": "evidence/category-layout-mobile.json", "caption": "category layout mobile evidence artifact", "findingIds": [ "F5" ] }, { "type": "screenshot", "path": "evidence/category-mobile.png", "caption": "category mobile evidence artifact", "findingIds": [ "F5" ] }, { "type": "other", "path": "evidence/cookies.json", "caption": "cookies evidence artifact", "findingIds": [ "F13" ] }, { "type": "other", "path": "evidence/headers.json", "caption": "headers evidence artifact", "findingIds": [ "F12" ] }, { "type": "heap", "path": "evidence/heap-baseline.heapsnapshot", "caption": "heap baseline evidence artifact" }, { "type": "heap", "path": "evidence/heap-post.heapsnapshot", "caption": "heap post evidence artifact" }, { "type": "screenshot", "path": "evidence/home-contrast.png", "caption": "home contrast evidence artifact" }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark evidence artifact", "findingIds": [ "F1" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop evidence artifact", "findingIds": [ "F1" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "home discoverability crawler evidence artifact" }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "home discoverability rendered evidence artifact" }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "home discoverability evidence artifact" }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom evidence artifact" }, { "type": "other", "path": "evidence/home-motion.json", "caption": "home motion evidence artifact", "findingIds": [ "F2" ] }, { "type": "other", "path": "evidence/home-recon.json", "caption": "home recon evidence artifact", "findingIds": [ "F10", "F11" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "home summary evidence artifact", "findingIds": [ "F8", "F9" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary evidence artifact", "findingIds": [ "F9" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "home trace evidence artifact" }, { "type": "other", "path": "evidence/home-ui-probe.json", "caption": "home ui probe evidence artifact", "findingIds": [ "F3", "F4" ] }, { "type": "har", "path": "evidence/home.har", "caption": "home evidence artifact", "findingIds": [ "F8", "F9" ] }, { "type": "other", "path": "evidence/http-metadata.txt", "caption": "http metadata evidence artifact", "findingIds": [ "F10", "F11", "F12" ] }, { "type": "other", "path": "evidence/i18n-probe.json", "caption": "i18n probe evidence artifact" }, { "type": "lighthouse", "path": "evidence/lighthouse-home-summary.json", "caption": "lighthouse home summary evidence artifact", "findingIds": [ "F6", "F8" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-home.json", "caption": "lighthouse home evidence artifact", "findingIds": [ "F6", "F8", "F9", "F10", "F13", "F14" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-login-summary.json", "caption": "lighthouse login summary evidence artifact", "findingIds": [ "F7", "F14" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-login.json", "caption": "lighthouse login evidence artifact", "findingIds": [ "F7", "F14" ] }, { "type": "screenshot", "path": "evidence/login-empty-submit.png", "caption": "login empty submit evidence artifact", "findingIds": [ "F15" ] }, { "type": "other", "path": "evidence/login-form.json", "caption": "login form evidence artifact", "findingIds": [ "F5", "F15" ] }, { "type": "screenshot", "path": "evidence/login-mobile.png", "caption": "login mobile evidence artifact", "findingIds": [ "F7" ] }, { "type": "screenshot", "path": "evidence/not-found.png", "caption": "not found evidence artifact" }, { "type": "layout", "path": "evidence/search-layout-mobile.json", "caption": "search layout mobile evidence artifact" }, { "type": "screenshot", "path": "evidence/search-mobile.png", "caption": "search mobile evidence artifact" }, { "type": "screenshot", "path": "evidence/search-results-desktop.png", "caption": "search results desktop evidence artifact" }, { "type": "screenshot", "path": "evidence/search-results-mobile.png", "caption": "search results mobile evidence artifact", "findingIds": [ "F5" ] }, { "type": "other", "path": "evidence/search-results-probe.json", "caption": "search results probe evidence artifact" }, { "type": "other", "path": "evidence/secrets.json", "caption": "secrets evidence artifact" }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers evidence artifact", "findingIds": [ "F13" ] } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 58, "blocked": 0, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": true }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "The prefers-color-scheme: dark screenshot is visually identical to the normal screenshot and the appearance panel shows “Hell” selected; “Automatisch” and “Dunkel” exist but are not the default.", "findingIds": [ "F1" ], "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png", "evidence/home-desktop.png" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "evaluate under prefers-reduced-motion: reduce found no active animations and a media rule forcing animation-duration to 0.01ms, transitions to 0ms and scroll-behavior:auto.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-motion.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "forced-colors screenshot retained visible text, controls, selected radios, borders and links; Lighthouse color contrast passed.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-contrast.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "DOM/CSS probes found no view-transition rules while the representative site journey uses full-document article navigation.", "findingIds": [ "F2" ], "pathIds": [ "article" ], "artifacts": [ "evidence/article-navigation-overlay-probe.json", "evidence/home-motion.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across the representative route set.", "evidence": "No scrollytelling, parallax, carousel, or scroll-linked animation exists on the representative templates.", "reason": "No scrollytelling, parallax, carousel, or scroll-linked animation exists on the representative templates." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across the representative route set.", "evidence": "No swipe, pull-to-refresh, draggable carousel, or other gesture-driven control exists on the audited templates.", "reason": "No swipe, pull-to-refresh, draggable carousel, or other gesture-driven control exists on the audited templates." }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "scroll probe found dedicated sticky-header and sticky table-of-contents structures and the article exposes persistent orientation/navigation chrome.", "pathIds": [ "article" ], "artifacts": [ "evidence/article-navigation-overlay-probe.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "The overlay probe found eight checkbox-controlled dropdowns, zero popover elements, zero dialogs/details, and relative positioning for the sticky-header table-of-contents dropdown.", "findingIds": [ "F3" ], "pathIds": [ "home" ], "artifacts": [ "evidence/home-ui-probe.json", "evidence/article-navigation-overlay-probe.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "screenshots show active-page/tab underlines, clear section headings, table of contents and predictable recovery links after navigation.", "pathIds": [ "article" ], "artifacts": [ "evidence/article-desktop.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "initial screenshots across home, article, search and login show core content immediately with no modal, consent wall or interstitial obscuring it.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "The live DOM exposes checkbox toggles for main, appearance, user, language and tools menus but no popover, dialog or details elements.", "findingIds": [ "F4" ], "pathIds": [ "home" ], "artifacts": [ "evidence/home-ui-probe.json", "evidence/article-navigation-overlay-probe.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "desktop screenshots devote the central, width-limited area to article/content and use restrained utility chrome without advertising.", "pathIds": [ "article" ], "artifacts": [ "evidence/article-desktop.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "At a requested 360x800 viewport the page declares meta viewport width=1120; layout evidence reports a 1120–1430 CSS-pixel viewport and screenshots show desktop columns and very small text scaled into 360px. Lighthouse with a mobile user agent receives the separate Minerva skin, so this specifically affects narrow desktop-UA windows and responsive emulation.", "findingIds": [ "F5" ], "pathIds": [ "article" ], "artifacts": [ "evidence/article-mobile.png", "evidence/category-mobile.png", "evidence/search-results-mobile.png", "evidence/article-layout-mobile.json", "evidence/category-layout-mobile.json", "evidence/login-form.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "Lighthouse mobile rendered the separate Minerva presentation with passing viewport and target-size audits; reusable forms and navigation adapt under the mobile user-agent despite the Vector narrow-window defect.", "pathIds": [ "login" ], "artifacts": [ "evidence/lighthouse-login.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "Lighthouse target-size passed and empty login submission visibly focused the first field; screenshots show persistent non-hover controls.", "pathIds": [ "login" ], "artifacts": [ "evidence/login-empty-submit.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "home and article screenshots clearly identify Wikipedia, expose search prominently, and place content headings and links before secondary tools.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "a non-exact search query reached a labelled results page and returned a crawlable article result; direct exact search also resolved to its article.", "pathIds": [ "search" ], "artifacts": [ "evidence/search-results-probe.json" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "the missing-article state explicitly says the article does not exist and offers prefilled search, help, language search, creation and deletion-recovery routes.", "pathIds": [ "not-found" ], "artifacts": [ "evidence/not-found.png" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "Lighthouse measured LCP 1.8s, CLS 0 and TBT 10ms on home; trace measured FCP/LCP 676ms and TBT 0ms.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "layout captures measured CLS 0 on article/category and 0.000215 on search; Lighthouse measured CLS 0.", "pathIds": [ "article" ], "artifacts": [ "evidence/article-layout-mobile.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "trace recorded no long tasks and 0ms total blocking time; Lighthouse main-thread work was 0.7s and TBT 10ms.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "The HAR summary lists multiple Wikimedia images without cache headers; Lighthouse also reports one unsized image, although measured CLS remained 0.", "findingIds": [ "F9" ], "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse-home.json", "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "Lighthouse estimates 232 KiB unused JavaScript and 99 KiB unused CSS; HAR records 555,475 transferred script bytes across 11 requests, including a 323,285-byte loader response.", "findingIds": [ "F8" ], "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/lighthouse-home-summary.json", "evidence/home-summary.json", "evidence/home.har" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "Lighthouse accessibility scored 0.88 and reported eight aria-hidden-focus failures plus failures for an unlabeled control and a link without a discernible name.", "findingIds": [ "F6" ], "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/lighthouse-home-summary.json" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "Lighthouse color-contrast audit passed and forced-colors evidence retained legible foreground/background separation.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-contrast.png" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "Lighthouse found tabindex values 1, 2, 3, 7 and 100 on login controls and flagged the navigation checkbox because its referenced label is aria-hidden.", "findingIds": [ "F7" ], "pathIds": [ "login" ], "artifacts": [ "evidence/lighthouse-login.json", "evidence/lighthouse-login-summary.json", "evidence/login-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "desktop content screenshots show comfortable line length, clear hierarchy and unclipped body text; the separate mobile skin also passed Lighthouse viewport checks.", "pathIds": [ "article" ], "artifacts": [ "evidence/article-desktop.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "At a requested 360x800 viewport the page declares meta viewport width=1120; layout evidence reports a 1120–1430 CSS-pixel viewport and screenshots show desktop columns and very small text scaled into 360px. Lighthouse with a mobile user agent receives the separate Minerva skin, so this specifically affects narrow desktop-UA windows and responsive emulation.", "findingIds": [ "F5" ], "pathIds": [ "article" ], "artifacts": [ "evidence/article-mobile.png", "evidence/category-mobile.png", "evidence/search-results-mobile.png", "evidence/article-layout-mobile.json", "evidence/category-layout-mobile.json", "evidence/login-form.json" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "Lighthouse reports a web app manifest syntax error on auth.wikimedia.org, missing/invalid maps for large first-party JavaScript, inspector cookie issues, and one BFCache prevention reason.", "findingIds": [ "F14" ], "pathIds": [ "login" ], "artifacts": [ "evidence/lighthouse-login.json", "evidence/lighthouse-login-summary.json", "evidence/lighthouse-home.json" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "The HAR summary lists multiple Wikimedia images without cache headers; Lighthouse also reports one unsized image, although measured CLS remained 0.", "findingIds": [ "F9" ], "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse-home.json", "evidence/home-trace-summary.json" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "Lighthouse reports a web app manifest syntax error on auth.wikimedia.org, missing/invalid maps for large first-party JavaScript, inspector cookie issues, and one BFCache prevention reason.", "findingIds": [ "F14" ], "pathIds": [ "login" ], "artifacts": [ "evidence/lighthouse-login.json", "evidence/lighthouse-login-summary.json", "evidence/lighthouse-home.json" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "Lighthouse SEO flags meta-description on the homepage; direct homepage and article metadata probes found titles and canonicals but no meta[name=description].", "findingIds": [ "F10" ], "pathIds": [ "home" ], "artifacts": [ "evidence/home-recon.json", "evidence/http-metadata.txt", "evidence/lighthouse-home.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "Lighthouse passed crawlable anchors, robots.txt and viewport; direct DOM links use real href values.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "homepage and article return HTTP 200 with canonical links; robots allows normal indexing and article metadata has no accidental noindex. Language links expose hreflang values.", "pathIds": [ "article" ], "artifacts": [ "evidence/http-metadata.txt" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "The Deutschland response provides og:title, og:type and og:image but no Open Graph description and no JSON-LD; homepage probe also reports jsonld: 0.", "findingIds": [ "F11" ], "pathIds": [ "article" ], "artifacts": [ "evidence/http-metadata.txt", "evidence/home-recon.json" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "Cookie evidence found six cookies with SameSite=None and dewikimwuser-sessionId without Secure or HttpOnly; Lighthouse separately observed three third-party-cookie uses during central auth/resource requests. The tested identifier was not proven to be an authentication credential.", "findingIds": [ "F13" ], "pathIds": [ "home" ], "artifacts": [ "evidence/cookies.json", "evidence/trackers.json", "evidence/lighthouse-home.json" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "tracker probe found no known trackers; observed third-party origins were Wikimedia-operated upload/meta/auth services, and secret scanning found no exposed credential.", "pathIds": [ "home" ], "artifacts": [ "evidence/trackers.json" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "no permission prompt appeared on load; login uses autocomplete=\"username webauthn\" and loads Wikimedia passwordless/WebAuthn modules.", "pathIds": [ "login" ], "artifacts": [ "evidence/login-form.json" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "Header evidence shows CSP script-src allows unsafe-inline and unsafe-eval across a very broad origin list; no frame-ancestors or X-Frame-Options, Referrer-Policy, or Permissions-Policy was present. HSTS and nosniff were present.", "findingIds": [ "F12" ], "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/http-metadata.txt" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "discoverability found 98% of homepage rendered content in raw HTML, no JS shell, and title/H1 preserved without JavaScript.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "confidence": "medium", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "representative menu/article/search states loaded without clipping-related dead ends or uncaught errors on primary content pages; DOM remains server-rendered and conventional.", "pathIds": [ "article" ], "artifacts": [ "evidence/article-navigation-overlay-probe.json" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across the representative route set.", "evidence": "The audited surface is a public encyclopedia/content site rather than an installed app; offline installability is contextual and not required for the core read/search task.", "reason": "The audited surface is a public encyclopedia/content site rather than an installed app; offline installability is contextual and not required for the core read/search task." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "the exercised missing-page route gives an explicit diagnosis and multiple actionable recovery choices rather than a blank shell.", "pathIds": [ "not-found" ], "artifacts": [ "evidence/not-found.png" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "html is lang=de and dir=ltr; probe found hreflang markers across German and English Wikimedia destinations and logical inline computed spacing.", "pathIds": [ "home" ], "artifacts": [ "evidence/i18n-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "confidence": "medium", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "homepage renders the locale-correct “18. Juli”; loaded modules include CLDR and MediaWiki DateFormatter, and language selection is extensive.", "pathIds": [ "home" ], "artifacts": [ "evidence/i18n-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across the representative route set.", "evidence": "The selected read/search/login surfaces contain no scheduling, recurring events, user-entered times, or timezone-sensitive transaction to judge.", "reason": "The selected read/search/login surfaces contain no scheduling, recurring events, user-entered times, or timezone-sensitive transaction to judge." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "screenshots show no ads, forced consent, confirmshaming, hidden pricing or nagging continuity; donation/account choices are plainly labelled and optional.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "After activating Anmelden with both fields empty, the captured state only focuses the username field; there is no required marker, inline error text, or visible summary, and the DOM probe reports required=false and no aria-invalid.", "findingIds": [ "F15" ], "pathIds": [ "login" ], "artifacts": [ "evidence/login-empty-submit.png", "evidence/login-form.json" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "login inputs have explicit labels and autocomplete=\"username webauthn\" / \"current-password\"; focus is visible.", "pathIds": [ "login" ], "artifacts": [ "evidence/login-form.json" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across the representative route set.", "evidence": "No checkout, subscription or cancellation flow exists; login was covered, but sensitive authenticated account actions require credentials and were outside this anonymous audit.", "reason": "No checkout, subscription or cancellation flow exists; login was covered, but sensitive authenticated account actions require credentials and were outside this anonymous audit." }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "homepage transfer is 820,804 bytes total with 192,048 image bytes; thumbnails are sized Wikimedia derivatives and no video/font payload dominates.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "confidence": "high", "status": "issues", "method": "Direct screenshot, DOM/probe, network, or Lighthouse evidence on representative paths.", "evidence": "Lighthouse estimates 232 KiB unused JavaScript and 99 KiB unused CSS; HAR records 555,475 transferred script bytes across 11 requests, including a 323,285-byte loader response.", "findingIds": [ "F8" ], "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/lighthouse-home-summary.json", "evidence/home-summary.json", "evidence/home.har" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "no known tracker, font, audio or video request was observed; third-party bytes are Wikimedia-operated image/meta/auth services and trace shows no continuing main-thread work.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across the representative route set.", "evidence": "Wikipedia exposes content and conventional APIs, but the emerging WebMCP/agent-action surface is not part of this read/search site journey; absence is an opportunity, not a failure.", "reason": "Wikipedia exposes content and conventional APIs, but the emerging WebMCP/agent-action surface is not part of this read/search site journey; absence is an opportunity, not a failure." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "confidence": "high", "status": "not-applicable", "method": "Recon and applicability judgement across the representative route set.", "evidence": "No user-facing summarisation or language-model feature is offered on these templates, so on-device inference has no applicable feature to replace.", "reason": "No user-facing summarisation or language-model feature is offered on these templates, so on-device inference has no applicable feature to replace." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "confidence": "medium", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "after 10 main-menu open/close cycles, native node count changed by only +8 and closures by +1; the 2.0MB self-size increase was almost entirely strings and does not establish unbounded retained growth.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-post.heapsnapshot" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "baseline heap was 232,322 nodes and 16.8MB self size for a 1,269-element content homepage, proportionate to the page purpose.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "confidence": "high", "status": "pass", "method": "Active visual/objective inspection across representative paths using the cited artifact.", "evidence": "before/after summaries show stable native nodes (115,027 to 115,035), closures (7,946 to 7,947) and OoUiWidget count (16 to 16), with no Detached* constructor among top retained types.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-post.heapsnapshot" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F1" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F2" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F3" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F4" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F5" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "pass" }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F9", "F8" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F6", "F7", "F5" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F14", "F9" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F10", "F11" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F13", "F12" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "pass" }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F15" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F8" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "This emerging agent-facing principle has no applicable user-facing agent action or inference feature in the audited read/search experience." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "home", "description": "Public homepage: content hub, global navigation, appearance controls and search entry point.", "url": "https://de.wikipedia.org/wiki/Wikipedia:Hauptseite", "conditions": [ "desktop 1440x900", "prefers-color-scheme: dark", "forced-colors: active", "prefers-reduced-motion: reduce", "no JavaScript crawler view" ], "result": "issues" }, { "id": "article", "description": "Representative long-form encyclopedia article with infobox, media, table of contents and extensive links.", "url": "https://de.wikipedia.org/wiki/Deutschland", "conditions": [ "desktop 1440x900", "narrow viewport 360x800", "scroll to 2000px" ], "result": "issues" }, { "id": "category", "description": "Representative category/listing template.", "url": "https://de.wikipedia.org/wiki/Kategorie:Deutschland", "conditions": [ "narrow viewport 360x800" ], "result": "issues" }, { "id": "search", "description": "Primary find-content journey and results template, exercised with a non-exact query.", "url": "https://de.wikipedia.org/w/index.php?search=Web+Audit+Suchbegriff&title=Spezial:Suche", "conditions": [ "desktop 1440x900", "narrow viewport 360x800" ], "result": "issues" }, { "id": "login", "description": "Representative account form and authentication entry point; empty submission exercised without credentials.", "url": "https://de.wikipedia.org/w/index.php?title=Spezial:Anmelden", "conditions": [ "desktop 1440x900", "narrow viewport 360x800", "empty submit", "Lighthouse mobile" ], "result": "issues" }, { "id": "not-found", "description": "Representative failure/recovery state for a missing article.", "url": "https://de.wikipedia.org/wiki/Diese_Seite_gibt_es_nicht_Atomic_Audit_404", "conditions": [ "desktop 1440x900" ], "result": "pass" } ], "findings": [ { "id": "F1", "severity": "medium", "confidence": "high", "pathId": "home", "url": "https://de.wikipedia.org/wiki/Wikipedia:Hauptseite", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "summary": "The default appearance remains light when the OS requests dark mode.", "evidence": "The prefers-color-scheme: dark screenshot is visually identical to the normal screenshot and the appearance panel shows “Hell” selected; “Automatisch” and “Dunkel” exist but are not the default.", "artifacts": [ "evidence/home-dark.png", "evidence/home-desktop.png" ], "suggestedFix": "Default anonymous users to the automatic color scheme, declare color-scheme: light dark, and retain the explicit override as a stored user choice.", "effort": "medium" }, { "id": "F2", "severity": "low", "confidence": "high", "pathId": "article", "url": "https://de.wikipedia.org/wiki/Deutschland", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "cross-document-transitions", "guidanceCategory": "user-experience", "summary": "Article and route changes are abrupt rather than using cross-document View Transitions.", "evidence": "DOM/CSS probes found no view-transition rules while the representative site journey uses full-document article navigation.", "artifacts": [ "evidence/article-navigation-overlay-probe.json", "evidence/home-motion.json" ], "suggestedFix": "Opt eligible same-origin navigations into cross-document View Transitions and disable non-essential motion under prefers-reduced-motion.", "effort": "medium" }, { "id": "F3", "severity": "low", "confidence": "high", "pathId": "home", "url": "https://de.wikipedia.org/wiki/Wikipedia:Hauptseite", "principleId": "provide-guided-navigation", "principleCheckId": "anchored-positioning", "guidanceId": "position-aware-tooltips", "guidanceCategory": "css", "summary": "Menus use checkbox-driven, relatively positioned dropdowns rather than anchored popovers with fallback placement.", "evidence": "The overlay probe found eight checkbox-controlled dropdowns, zero popover elements, zero dialogs/details, and relative positioning for the sticky-header table-of-contents dropdown.", "artifacts": [ "evidence/home-ui-probe.json", "evidence/article-navigation-overlay-probe.json" ], "suggestedFix": "Use popover for transient menus and CSS anchor positioning with position-try fallbacks, preserving a supported fallback.", "effort": "large" }, { "id": "F4", "severity": "low", "confidence": "high", "pathId": "home", "url": "https://de.wikipedia.org/wiki/Wikipedia:Hauptseite", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "user-experience", "summary": "Transient menus are implemented with checkbox controls rather than semantic light-dismiss primitives.", "evidence": "The live DOM exposes checkbox toggles for main, appearance, user, language and tools menus but no popover, dialog or details elements.", "artifacts": [ "evidence/home-ui-probe.json", "evidence/article-navigation-overlay-probe.json" ], "suggestedFix": "Migrate transient menus to popover with declarative invokers and light-dismiss behavior; use dialog only for modal flows.", "effort": "large" }, { "id": "F5", "severity": "high", "confidence": "high", "pathId": "article", "url": "https://de.wikipedia.org/wiki/Deutschland", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "guidanceCategory": "css", "summary": "The desktop skin does not reflow at narrow window widths and instead forces a 1120px layout.", "evidence": "At a requested 360x800 viewport the page declares meta viewport width=1120; layout evidence reports a 1120–1430 CSS-pixel viewport and screenshots show desktop columns and very small text scaled into 360px. Lighthouse with a mobile user agent receives the separate Minerva skin, so this specifically affects narrow desktop-UA windows and responsive emulation.", "artifacts": [ "evidence/article-mobile.png", "evidence/category-mobile.png", "evidence/search-results-mobile.png", "evidence/article-layout-mobile.json", "evidence/category-layout-mobile.json", "evidence/login-form.json" ], "suggestedFix": "Replace the fixed width=1120 viewport with width=device-width and make the Vector skin reflow intrinsically; keep server-selected Minerva as an enhancement, not the only mobile path.", "effort": "large" }, { "id": "F6", "severity": "high", "confidence": "high", "pathId": "home", "url": "https://de.wikipedia.org/wiki/Wikipedia:Hauptseite", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "The homepage accessibility tree contains hidden focusable descendants and unnamed controls/links.", "evidence": "Lighthouse accessibility scored 0.88 and reported eight aria-hidden-focus failures plus failures for an unlabeled control and a link without a discernible name.", "artifacts": [ "evidence/lighthouse-home.json", "evidence/lighthouse-home-summary.json" ], "suggestedFix": "Remove focusable descendants from aria-hidden containers, give every control/link a stable accessible name, and verify the accessibility tree and keyboard traversal.", "effort": "medium" }, { "id": "F7", "severity": "medium", "confidence": "high", "pathId": "login", "url": "https://de.wikipedia.org/w/index.php?title=Spezial:Anmelden", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "The login flow forces a positive tabindex sequence and its mobile menu checkbox has no valid exposed label.", "evidence": "Lighthouse found tabindex values 1, 2, 3, 7 and 100 on login controls and flagged the navigation checkbox because its referenced label is aria-hidden.", "artifacts": [ "evidence/lighthouse-login.json", "evidence/lighthouse-login-summary.json", "evidence/login-mobile.png" ], "suggestedFix": "Remove positive tabindex values so DOM order controls focus, and expose a valid name on the menu control without hiding its label from assistive technology.", "effort": "small" }, { "id": "F8", "severity": "medium", "confidence": "high", "pathId": "home", "url": "https://de.wikipedia.org/wiki/Wikipedia:Hauptseite", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "summary": "The homepage ships substantial JavaScript and CSS that Lighthouse identifies as unused.", "evidence": "Lighthouse estimates 232 KiB unused JavaScript and 99 KiB unused CSS; HAR records 555,475 transferred script bytes across 11 requests, including a 323,285-byte loader response.", "artifacts": [ "evidence/lighthouse-home.json", "evidence/lighthouse-home-summary.json", "evidence/home-summary.json", "evidence/home.har" ], "suggestedFix": "Split ResourceLoader modules by page need, delay editing/account modules until intent, and remove or scope unused homepage CSS.", "effort": "large" }, { "id": "F9", "severity": "low", "confidence": "high", "pathId": "home", "url": "https://de.wikipedia.org/wiki/Wikipedia:Hauptseite", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "performance", "guidanceCategory": "performance", "summary": "Several large assets lack useful cache headers and one image lacks dimensions.", "evidence": "The HAR summary lists multiple Wikimedia images without cache headers; Lighthouse also reports one unsized image, although measured CLS remained 0.", "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse-home.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Apply durable immutable caching to versioned media and emit width/height or aspect-ratio for every content image.", "effort": "medium" }, { "id": "F10", "severity": "medium", "confidence": "high", "pathId": "home", "url": "https://de.wikipedia.org/wiki/Wikipedia:Hauptseite", "principleId": "be-discoverable", "principleCheckId": "title-and-description", "summary": "Public homepage and article templates omit meta descriptions.", "evidence": "Lighthouse SEO flags meta-description on the homepage; direct homepage and article metadata probes found titles and canonicals but no meta[name=description].", "artifacts": [ "evidence/home-recon.json", "evidence/http-metadata.txt", "evidence/lighthouse-home.json" ], "suggestedFix": "Generate concise, template-specific descriptions from the lead or page purpose while keeping titles and canonicals unique.", "effort": "medium" }, { "id": "F11", "severity": "low", "confidence": "high", "pathId": "article", "url": "https://de.wikipedia.org/wiki/Deutschland", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "language-model", "guidanceCategory": "ai", "summary": "Article sharing metadata is incomplete and no structured-data block describes the entity.", "evidence": "The Deutschland response provides og:title, og:type and og:image but no Open Graph description and no JSON-LD; homepage probe also reports jsonld: 0.", "artifacts": [ "evidence/http-metadata.txt", "evidence/home-recon.json" ], "suggestedFix": "Add accurate Open Graph descriptions and an appropriate schema.org JSON-LD representation for encyclopedia articles, matching visible lead content.", "effort": "medium" }, { "id": "F12", "severity": "high", "confidence": "high", "pathId": "home", "url": "https://de.wikipedia.org/wiki/Wikipedia:Hauptseite", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "summary": "Browser-enforced defenses are weakened by a broad CSP and absent anti-framing/referrer/permissions policies.", "evidence": "Header evidence shows CSP script-src allows unsafe-inline and unsafe-eval across a very broad origin list; no frame-ancestors or X-Frame-Options, Referrer-Policy, or Permissions-Policy was present. HSTS and nosniff were present.", "artifacts": [ "evidence/headers.json", "evidence/http-metadata.txt" ], "suggestedFix": "Move toward nonce/hash-based CSP without unsafe-eval, add frame-ancestors, and define explicit Referrer-Policy and Permissions-Policy headers.", "effort": "large" }, { "id": "F13", "severity": "medium", "confidence": "high", "pathId": "home", "url": "https://de.wikipedia.org/wiki/Wikipedia:Hauptseite", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "privacy", "guidanceCategory": "privacy", "summary": "Anonymous-session cookies use SameSite=None broadly and one session identifier is not Secure.", "evidence": "Cookie evidence found six cookies with SameSite=None and dewikimwuser-sessionId without Secure or HttpOnly; Lighthouse separately observed three third-party-cookie uses during central auth/resource requests. The tested identifier was not proven to be an authentication credential.", "artifacts": [ "evidence/cookies.json", "evidence/trackers.json", "evidence/lighthouse-home.json" ], "suggestedFix": "Use Lax/Strict by default, reserve SameSite=None; Secure for necessary cross-site flows, and mark every session identifier Secure (and HttpOnly unless JavaScript access is essential).", "effort": "medium" }, { "id": "F14", "severity": "low", "confidence": "high", "pathId": "login", "url": "https://de.wikipedia.org/w/index.php?title=Spezial:Anmelden", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "html", "summary": "The login surface logs a manifest parse error, misses source maps and blocks BFCache.", "evidence": "Lighthouse reports a web app manifest syntax error on auth.wikimedia.org, missing/invalid maps for large first-party JavaScript, inspector cookie issues, and one BFCache prevention reason.", "artifacts": [ "evidence/lighthouse-login.json", "evidence/lighthouse-login-summary.json", "evidence/lighthouse-home.json" ], "suggestedFix": "Serve a valid manifest response, repair ResourceLoader source maps, resolve inspector cookie warnings and remove the identified BFCache blocker.", "effort": "medium" }, { "id": "F15", "severity": "medium", "confidence": "high", "pathId": "login", "url": "https://de.wikipedia.org/w/index.php?title=Spezial:Anmelden", "principleId": "be-trustworthy", "principleCheckId": "humane-error-handling", "guidanceId": "required-field-feedback", "guidanceCategory": "forms", "summary": "Submitting the empty login form gives focus but no visible or announced required-field explanation.", "evidence": "After activating Anmelden with both fields empty, the captured state only focuses the username field; there is no required marker, inline error text, or visible summary, and the DOM probe reports required=false and no aria-invalid.", "artifacts": [ "evidence/login-empty-submit.png", "evidence/login-form.json" ], "suggestedFix": "Mark required fields semantically and, after submission, show and announce concise field-level feedback while preserving focus and entered values.", "effort": "small" } ], "taskList": [ { "id": "T1", "title": "Make the Vector skin genuinely responsive at narrow widths", "priority": 1, "findingIds": [ "F5" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T2", "title": "Repair accessibility names, hidden-focus descendants and focus order", "priority": 2, "findingIds": [ "F6", "F7" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T3", "title": "Harden CSP, anti-framing and cookie policies", "priority": 3, "findingIds": [ "F12", "F13" ], "guidanceId": "security", "status": "open" }, { "id": "T4", "title": "Ship only page-required ResourceLoader code and cache media durably", "priority": 4, "findingIds": [ "F8", "F9" ], "guidanceId": "identify-heavy-scripts", "status": "open" }, { "id": "T5", "title": "Add meta descriptions and complete article share/structured metadata", "priority": 5, "findingIds": [ "F10", "F11" ], "status": "open" }, { "id": "T6", "title": "Default anonymous appearance to the system color scheme", "priority": 6, "findingIds": [ "F1" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T7", "title": "Provide visible and announced required-field feedback on login", "priority": 7, "findingIds": [ "F15" ], "guidanceId": "required-field-feedback", "status": "open" }, { "id": "T8", "title": "Modernise dropdowns with popover and anchor positioning", "priority": 8, "findingIds": [ "F3", "F4" ], "guidanceId": "declarative-dialog-popover-control", "status": "open" }, { "id": "T9", "title": "Repair manifest, source maps and BFCache hygiene", "priority": 9, "findingIds": [ "F14" ], "guidanceId": "html", "status": "open" }, { "id": "T10", "title": "Add reduced-motion-aware cross-document transitions", "priority": 10, "findingIds": [ "F2" ], "guidanceId": "cross-document-transitions", "status": "open" } ], "budget": { "pathCount": 6, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-18T11-13-50-055Z" }