{ "url": "https://search.brave.com", "auditedAt": "2026-07-28T02:05:00.000Z", "mode": "report", "status": "partial", "statusDetail": "57 of 58 checks were judged; primary-flow-completion was blocked by Brave bot verification. No score is published.", "page": { "appType": "hybrid", "framework": "SvelteKit", "notes": "Public search homepage and settings are reachable; the representative results archetype is protected by an interactive bot challenge." }, "evidenceUsed": [ "screenshot", "dom", "layout-metrics", "evaluate-probe", "trace", "har", "lighthouse", "heap-summary", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "Modern Web Guidance" ], "guidanceConsulted": [ "dark-mode", "accessibility", "fluid-scaling", "identify-heavy-scripts", "privacy", "light-dismiss-a-dialog", "same-document-transitions", "size-aware-styling", "performance", "optimize-script-priority" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "Homepage at the default desktop condition; private-metrics notice is visible on load.", "findingIds": [ "F03" ] }, { "type": "screenshot", "path": "evidence/home-light.png", "caption": "Homepage under prefers-color-scheme: light.", "condition": "prefers-color-scheme: light", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "Homepage under prefers-color-scheme: dark.", "condition": "prefers-color-scheme: dark", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-high-contrast.png", "caption": "Homepage under prefers-contrast: more.", "condition": "prefers-contrast: more", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "Homepage at a 360x800 device viewport; content is scaled from a 980 CSS-pixel layout.", "condition": "viewport: 360x800", "findingIds": [ "F01", "F13" ] }, { "type": "screenshot", "path": "evidence/results-desktop.png", "caption": "Search results path intercepted by a bot-verification challenge.", "findingIds": [ "F04" ] }, { "type": "screenshot", "path": "evidence/results-mobile.png", "caption": "Bot-verification challenge at 360x800, also scaled from 980 CSS pixels.", "condition": "viewport: 360x800", "findingIds": [ "F01", "F04" ] }, { "type": "screenshot", "path": "evidence/settings-desktop.png", "caption": "Settings archetype with language, region, theme, and privacy controls.", "findingIds": [] }, { "type": "screenshot", "path": "evidence/error-404.png", "caption": "Intentional 404 state with an explanation and route back to search.", "findingIds": [] }, { "type": "layout", "path": "evidence/home-layout.json", "caption": "Desktop layout metrics: CLS 0.0065 and no long tasks.", "findingIds": [] }, { "type": "layout", "path": "evidence/home-layout-mobile.json", "caption": "Mobile metrics: no viewport meta; layout viewport is 980 CSS px at scale 0.367.", "condition": "viewport: 360x800", "findingIds": [ "F01", "F13" ] }, { "type": "layout", "path": "evidence/results-layout-mobile.json", "caption": "Results/challenge mobile metrics: no viewport meta; 980 CSS px at scale 0.367.", "condition": "viewport: 360x800", "findingIds": [ "F01" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "Rendered homepage DOM and computed styles.", "findingIds": [] }, { "type": "dom", "path": "evidence/results-dom.json", "caption": "Rendered bot-challenge DOM and styles.", "findingIds": [] }, { "type": "dom", "path": "evidence/settings-dom.json", "caption": "Rendered settings DOM and control styles.", "findingIds": [ "F06" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "Desktop DevTools performance trace.", "findingIds": [] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "Trace summary: LCP 1.68s, FCP 1.60s, TBT 0ms.", "findingIds": [] }, { "type": "har", "path": "evidence/home.har", "caption": "HAR 1.2 network capture for the homepage.", "findingIds": [ "F11" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "HAR summary: 72 requests, 516,673 transferred bytes, 55 scripts.", "findingIds": [ "F11" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "Mobile Lighthouse report: performance 80, accessibility 92, LCP 4.1s, contrast failure.", "findingIds": [ "F02", "F05" ] }, { "type": "heap", "path": "evidence/heap-baseline.json", "caption": "Baseline heap summary: 208,219 nodes and 12.71 MB self size.", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-post-escape.json", "caption": "Post-interaction heap summary after repeated quick-settings attempts: one-time panel allocation, no per-iteration DOM growth.", "findingIds": [] }, { "type": "discoverability", "path": "evidence/discoverability.json", "caption": "Raw-vs-rendered discoverability capture; raw fetch was rate-limited with HTTP 429.", "findingIds": [] }, { "type": "screenshot", "path": "evidence/discoverability-rendered.png", "caption": "Rendered browser view captured by discoverability primitive.", "findingIds": [] }, { "type": "screenshot", "path": "evidence/discoverability-crawler.png", "caption": "No-JS crawler view returned under rate limiting.", "findingIds": [] }, { "type": "other", "path": "evidence/headers.json", "caption": "Security header audit: strong CSP/HSTS/frame controls; Permissions-Policy absent.", "findingIds": [ "F08" ] }, { "type": "other", "path": "evidence/cookies.json", "caption": "Cookie audit: no cookies set.", "findingIds": [] }, { "type": "other", "path": "evidence/trackers.json", "caption": "Tracker audit: no known trackers or third-party origins.", "findingIds": [] }, { "type": "other", "path": "evidence/secrets.json", "caption": "Client secret scan: no findings.", "findingIds": [] }, { "type": "other", "path": "evidence/images.json", "caption": "Image audit: two SVGs, alt text present; one lacks complete dimensions.", "findingIds": [] }, { "type": "other", "path": "evidence/home-probe.json", "caption": "Document, metadata, headings, controls, target, focus, and CSS feature probe.", "findingIds": [ "F06", "F07", "F09", "F10" ] }, { "type": "other", "path": "evidence/motion-modern-css.json", "caption": "Reduced-motion and modern CSS probe: only a zero-duration reveal animation; no transition/scroll CSS found.", "findingIds": [ "F09" ] }, { "type": "other", "path": "evidence/settings-probe.json", "caption": "Settings controls, locale choices, forms, manifest, and service-worker probe.", "findingIds": [ "F12" ] }, { "type": "other", "path": "evidence/robots.json", "caption": "robots.txt permits selected conversation URLs and intentionally disallows normal search-result crawling.", "findingIds": [] }, { "type": "other", "path": "evidence/site-files.json", "caption": "robots, sitemap (404), and manifest fetch results.", "findingIds": [ "F12" ] }, { "type": "other", "path": "evidence/repeat-interaction-probe.json", "caption": "Ten quick-settings attempts plateaued at 458 DOM elements after first panel allocation.", "findingIds": [] }, { "type": "other", "path": "evidence/memory-metrics.json", "caption": "In-page before/after memory metrics; interaction ended in a different open-panel state.", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-consulted.txt", "caption": "Pinned Modern Web Guidance searches for all 17 principles.", "findingIds": [] } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 57, "blocked": 1, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": false }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Light and dark screenshots show complete surface/logo retinting, and computed html color-scheme follows the selected/system theme.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Under prefers-reduced-motion: reduce, getAnimations returned only a finished zero-duration reveal; no auto-advance or essential motion remained.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "High-contrast screenshot preserves controls and content; the separate normal-theme notice contrast defect is recorded under be-inclusive/sufficient-contrast.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "confidence": "medium", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "The CSS/animation probe found no view-transition rules or API evidence; the only animation under reduced motion was a finished zero-duration reveal.", "pathIds": [ "home" ], "artifacts": [ "evidence/motion-modern-css.json", "evidence/home-probe.json" ], "findingIds": [ "F09" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "No scrollytelling, parallax, carousel, or scroll-linked motion exists on the reachable home/settings archetypes.", "reason": "No scrollytelling, parallax, carousel, or scroll-linked motion exists on the reachable home/settings archetypes.", "pathIds": [ "home", "settings" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "No gesture-driven component or scroll carousel exists on the reachable archetypes.", "reason": "No gesture-driven component or scroll carousel exists on the reachable archetypes.", "pathIds": [ "home", "settings" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "The reachable homepage is a single viewport and settings uses ordinary document scrolling without affixed chrome needing state adaptation.", "reason": "The reachable homepage is a single viewport and settings uses ordinary document scrolling without affixed chrome needing state adaptation.", "pathIds": [ "home", "settings" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "No tooltip, anchored menu, or edge-positioned popover was present in the exercised states.", "reason": "No tooltip, anchored menu, or edge-positioned popover was present in the exercised states.", "pathIds": [ "home", "settings" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Settings uses a stable page title, grouped labeled sections, and a clear close route; the 404 gives a direct return action.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "Desktop, light, dark, mobile, results, and settings screenshots all show the persistent notice before interaction. It is dismissible, but it repeatedly consumes prominent viewport space.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/settings-desktop.png" ], "findingIds": [ "F03" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "confidence": "medium", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "DOM probes report zero and zero [popover] elements on home/settings despite the Quick settings overlay surface; controls are assembled from generic page structures.", "pathIds": [ "settings" ], "artifacts": [ "evidence/settings-dom.json", "evidence/home-probe.json" ], "findingIds": [ "F06" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Homepage devotes the main surface to the search control with minimal header/footer chrome.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "Both 360x800 layout captures report hasViewportMeta=false, clientWidth=980 and visualViewport scale=0.367; the mobile screenshots show a miniature desktop interface.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/results-mobile.png", "evidence/home-layout-mobile.json" ], "findingIds": [ "F01" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "confidence": "medium", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "The authored CSS exposed by the DOM and the dedicated probe contained no @container or container-type rules.", "pathIds": [ "settings" ], "artifacts": [ "evidence/home-probe.json", "evidence/settings-dom.json" ], "findingIds": [ "F10" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Lighthouse target-size passed; primary controls expose names and keyboard focusability, and settings uses native selects/radios/checkboxes.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "First viewport clearly presents Brave branding and a single prominent “Ask anything, find anything” search control.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "confidence": "high", "method": "Attempted direct query navigation and form-submission flow; Brave bot verification intercepted the results route.", "status": "blocked", "evidence": "The results route presented a drag-the-slider bot challenge, so result selection and end-to-end completion could not be exercised.", "reason": "External anti-bot enforcement prevented completion in the audit browser.", "pathIds": [ "search-flow" ], "artifacts": [ "evidence/results-desktop.png", "evidence/results-mobile.png" ], "findingIds": [ "F04" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "The bot state names the verification requirement and the 404 explicitly states failure with “Get back to searching privately”.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "confidence": "medium", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "Mobile Lighthouse reports LCP 4.1s and FCP 3.2s (performance 80), while the desktop trace records LCP 1.68s and TBT 0ms. The slower common mobile condition is the divergence.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F05" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Layout observer measured CLS 0.0065 desktop and 0 mobile; images are SVG and no meaningful jump was observed.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Trace and layout observers recorded zero long tasks and 0ms total blocking time.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "HAR found no redirects, HTTP errors, missing cache headers, uncompressed text, or render-blocking candidates.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "confidence": "medium", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "HAR summary records 72 requests and 516,673 transferred bytes, including 55 scripts (286,474 bytes) and a 128,942-byte stylesheet for a sparse search shell.", "pathIds": [ "home" ], "artifacts": [ "evidence/home.har", "evidence/home-summary.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Lighthouse button-name, link-name and label audits passed; both images have meaningful alt text.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "Lighthouse measures #909093 on #39393b at 3.61:1 for 13px text, below the WCAG 4.5:1 minimum.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-desktop.png" ], "findingIds": [ "F02" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "The document probe found no h1-h6 elements; main and footer landmarks exist, but the page purpose is represented only by logo/controls.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F07" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Desktop/light/dark screenshots show comfortable main text sizing and unclipped labels; the specific notice contrast issue is separately recorded.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Lighthouse reports no user-scaling restriction and target-size passes; no media requiring captions exists. Mobile reflow defect is recorded under responsive layout.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Lighthouse reports no browser errors logged to the console.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "DOM and Lighthouse confirm HTML doctype and UTF-8; two SVG images have alt text and observed CLS is minimal.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Lighthouse best-practices scored 100; no permission prompt appeared on load and no paste-blocking input behavior was observed.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Homepage and settings expose unique descriptive titles and a detailed meta description.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "DOM and both mobile layout captures report no meta viewport and a 980 CSS-pixel layout viewport at scale 0.367.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-layout-mobile.json", "evidence/home-mobile.png" ], "findingIds": [ "F13" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Homepage returns successfully in browser, exposes a language-qualified canonical, and robots.txt intentionally excludes query-result indexing.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Homepage Open Graph site, URL, title, description, locale, and 1200x630 image metadata accurately describe the visible service.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "HTTPS, HSTS, CSP, nosniff, SAMEORIGIN and secure referrer policy are present; zero cookies and zero exposed secrets were found.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Tracker primitive found no known trackers/third-party origins and cookies primitive found zero cookies; the metrics notice provides a settings opt-out.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "No authentication surface was exposed, and the location permission action is user-initiated in settings.", "reason": "No authentication surface was exposed, and the location permission action is user-initiated in settings.", "pathIds": [ "home", "settings" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "The headers primitive confirms CSP, HSTS, nosniff, SAMEORIGIN, and strict-origin-when-cross-origin, but reports Permissions-Policy missing.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F08" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Raw response included substantial HTML and metadata rather than an empty mount; settings controls are server-backed POST forms. The crawler-specific fetch was externally rate-limited.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Reachable settings controls and notification remained bounded in screenshots; no cut-off menu or runtime error was observed.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "issues", "evidence": "The fetched manifest has blank name and short_name and no start_url; the settings probe reports no controlling service worker.", "pathIds": [ "settings" ], "artifacts": [ "evidence/site-files.json", "evidence/settings-probe.json" ], "findingIds": [ "F12" ] }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "A real 404 returns HTTP 404 with plain explanation and a recovery link rather than a blank shell.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "html lang is en-gb; settings offers a broad language and region selector, and the CSS probe found no physical left/right property use in exposed top-level rules.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "Reachable home/settings states contain no user-facing dates, currency, or locale-sensitive numbers to format.", "reason": "Reachable home/settings states contain no user-facing dates, currency, or locale-sensitive numbers to format.", "pathIds": [ "home", "settings" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "Reachable home/settings states contain no event or time-zone data.", "reason": "Reachable home/settings states contain no event or time-zone data.", "pathIds": [ "home", "settings" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Settings exposes usage-metrics control and the notice links directly to settings; no forced continuity, disguised ad, confirmshaming, or hidden pricing appeared.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "The primary search field has no required/invalid form state; no validation workflow exists on reachable settings controls.", "reason": "The primary search field has no required/invalid form state; no validation workflow exists on reachable settings controls.", "pathIds": [ "home", "settings" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "No address, payment, sign-in, or sign-up fields exist on the reachable archetypes.", "reason": "No address, payment, sign-in, or sign-up fields exist on the reachable archetypes.", "pathIds": [ "home", "settings" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "No checkout, subscription purchase, authentication, or account-management flow was entered; the premium link is only a navigation CTA.", "reason": "No checkout, subscription purchase, authentication, or account-management flow was entered; the premium link is only a navigation CTA.", "pathIds": [ "home", "settings" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Image audit found two lightweight modern SVGs with alt text and no legacy raster formats; total image transfer was 8KB.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Trace recorded no long tasks and trackers found no chatty external analytics; network activity settled after load.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "No autoplay/media or known tracker origin loaded; CDN-hosted first-party assets total about 490KB and are cached.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "Agent-facing capabilities are emerging and no declared WebMCP/agent surface was observable; absence is treated as an opportunity, not a failure.", "reason": "Agent-facing capabilities are emerging and no declared WebMCP/agent surface was observable; absence is treated as an opportunity, not a failure.", "pathIds": [ "home", "settings" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "not-applicable", "evidence": "No page feature calls for optional built-in summarisation/language-model inference on the reachable search shell.", "reason": "No page feature calls for optional built-in summarisation/language-model inference on the reachable search shell.", "pathIds": [ "home", "settings" ] }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Ten quick-settings attempts produced a one-time DOM increase to 458 elements, then counts remained exactly 458 for every remaining iteration; no unbounded per-iteration growth was observed.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Baseline heap was 12.71MB self size for 208,219 heap nodes, proportionate to this app shell.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "confidence": "high", "method": "Direct multimodal inspection across the representative home, search-flow, settings, and 404 paths using the planned evidence manifest.", "status": "pass", "evidence": "Heap summaries showed no Detached* constructor among dominant populations, and repeated-interaction DOM counts plateaued rather than accumulating.", "pathIds": [ "home", "settings" ], "artifacts": [ "evidence/home-probe.json" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "pass" }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F09" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "pass" }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F03", "F06" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F01", "F10" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "incomplete", "reason": "One or more required checks were blocked by Brave anti-bot enforcement.", "findingIds": [ "F04" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F05", "F11" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F02", "F07" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "pass" }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F13" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F08" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F12" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "pass" }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "pass" }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "All checks were judged contextually not applicable to the reachable site surfaces." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "home", "description": "Search landing page and primary input; tested desktop, 360x800, light/dark/high-contrast, reduced motion, keyboard/control semantics, performance, network, privacy and memory.", "url": "https://search.brave.com/", "conditions": [ "desktop", "viewport: 360x800", "prefers-color-scheme: light", "prefers-color-scheme: dark", "prefers-contrast: more", "prefers-reduced-motion: reduce", "keyboard/control probe" ], "result": "issues" }, { "id": "search-flow", "description": "Primary journey from query input to results; selected because results are the core product archetype. Bot verification prevented reaching actual result cards.", "url": "https://search.brave.com/search?q=modern+web", "conditions": [ "desktop", "viewport: 360x800" ], "result": "failed" }, { "id": "settings", "description": "Settings/control-heavy archetype covering language, region, theme, privacy toggles, native controls, and app metadata.", "url": "https://search.brave.com/settings", "conditions": [ "desktop", "DOM/control probe" ], "result": "issues" }, { "id": "error-404", "description": "Representative HTTP failure and recovery state.", "url": "https://search.brave.com/this-path-does-not-exist", "conditions": [ "desktop" ], "result": "pass" } ], "findings": [ { "id": "F01", "pathId": "home", "url": "https://search.brave.com/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "guidanceCategory": "css", "severity": "high", "confidence": "high", "summary": "The page omits a viewport meta tag, so mobile Chrome lays it out at 980 CSS pixels and scales the entire interface down.", "evidence": "Both 360x800 layout captures report hasViewportMeta=false, clientWidth=980 and visualViewport scale=0.367; the mobile screenshots show a miniature desktop interface.", "artifacts": [ "evidence/home-mobile.png", "evidence/results-mobile.png", "evidence/home-layout-mobile.json" ], "suggestedFix": "Add and verify fluid layout and readable target sizing at narrow widths.", "effort": "trivial" }, { "id": "F02", "pathId": "home", "url": "https://search.brave.com/", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "The private-usage-metrics notice uses low-contrast body text.", "evidence": "Lighthouse measures #909093 on #39393b at 3.61:1 for 13px text, below the WCAG 4.5:1 minimum.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-desktop.png" ], "suggestedFix": "Raise the notice text color contrast to at least 4.5:1 in every theme and recheck the link and close-button states.", "effort": "trivial" }, { "id": "F03", "pathId": "home", "url": "https://search.brave.com/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "A metrics notice occupies the full bottom edge on every fresh load and competes with the primary search task.", "evidence": "Desktop, light, dark, mobile, results, and settings screenshots all show the persistent notice before interaction. It is dismissible, but it repeatedly consumes prominent viewport space.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/settings-desktop.png" ], "suggestedFix": "Persist dismissal/choice, reduce the notice to non-blocking inline disclosure, and avoid showing it again after the user has made a choice.", "effort": "small" }, { "id": "F04", "pathId": "search-flow", "url": "https://search.brave.com/search?q=modern+web", "principleId": "support-core-task-success", "principleCheckId": "primary-flow-completion", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "The representative search flow is blocked by a drag-the-slider bot challenge in the audit environment.", "evidence": "Direct navigation and form submission both reached navigation/bot enforcement; desktop and mobile result captures show “Verifying you’re not a bot” instead of search results.", "artifacts": [ "evidence/results-desktop.png", "evidence/results-mobile.png", "evidence/results-dom.json" ], "suggestedFix": "Review bot-risk thresholds and provide an accessible, privacy-preserving alternative challenge and clear recovery route for false positives.", "effort": "large" }, { "id": "F05", "pathId": "home", "url": "https://search.brave.com/", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "performance", "severity": "medium", "confidence": "medium", "summary": "Mobile lab loading misses the good LCP threshold despite a fast desktop trace.", "evidence": "Mobile Lighthouse reports LCP 4.1s and FCP 3.2s (performance 80), while the desktop trace records LCP 1.68s and TBT 0ms. The slower common mobile condition is the divergence.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Profile the mobile critical path, prioritize the logo/search shell, and reduce startup requests so LCP stays at or below 2.5s under mobile throttling.", "effort": "medium" }, { "id": "F06", "pathId": "settings", "url": "https://search.brave.com/settings", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "user-experience", "severity": "low", "confidence": "medium", "summary": "Transient settings UI is implemented without dialog or popover semantics.", "evidence": "DOM probes report zero and zero [popover] elements on home/settings despite the Quick settings overlay surface; controls are assembled from generic page structures.", "artifacts": [ "evidence/settings-dom.json", "evidence/home-probe.json" ], "suggestedFix": "Use popover for transient quick settings or dialog for a modal flow, with declarative light-dismiss, focus management, and Escape behavior.", "effort": "medium" }, { "id": "F07", "pathId": "home", "url": "https://search.brave.com/", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "low", "confidence": "high", "summary": "The homepage has no heading structure.", "evidence": "The document probe found no h1-h6 elements; main and footer landmarks exist, but the page purpose is represented only by logo/controls.", "artifacts": [ "evidence/home-probe.json" ], "suggestedFix": "Add a concise visually hidden or visible h1 such as “Brave Search” and keep subsequent page headings hierarchical.", "effort": "trivial" }, { "id": "F08", "pathId": "home", "url": "https://search.brave.com/", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "privacy", "guidanceCategory": "security", "severity": "low", "confidence": "high", "summary": "Permissions-Policy is absent despite otherwise strong defensive headers.", "evidence": "The headers primitive confirms CSP, HSTS, nosniff, SAMEORIGIN, and strict-origin-when-cross-origin, but reports Permissions-Policy missing.", "artifacts": [ "evidence/headers.json" ], "suggestedFix": "Send an explicit Permissions-Policy that disables unused powerful features and grants required features only to intended origins.", "effort": "small" }, { "id": "F09", "pathId": "home", "url": "https://search.brave.com/", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "css", "severity": "low", "confidence": "medium", "summary": "State and route changes expose no View Transitions integration.", "evidence": "The CSS/animation probe found no view-transition rules or API evidence; the only animation under reduced motion was a finished zero-duration reveal.", "artifacts": [ "evidence/motion-modern-css.json", "evidence/home-probe.json" ], "suggestedFix": "Use same-document View Transitions for quick-settings and search state changes, retaining an instant fallback and honoring reduced motion.", "effort": "medium" }, { "id": "F10", "pathId": "settings", "url": "https://search.brave.com/settings", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "css", "severity": "low", "confidence": "medium", "summary": "No container-query evidence was found for reusable search/settings components.", "evidence": "The authored CSS exposed by the DOM and the dedicated probe contained no @container or container-type rules.", "artifacts": [ "evidence/home-probe.json", "evidence/settings-dom.json" ], "suggestedFix": "Give reusable panels/search controls containment and adapt their internal layout with size container queries where they appear in different widths.", "effort": "medium" }, { "id": "F11", "pathId": "home", "url": "https://search.brave.com/", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "severity": "low", "confidence": "medium", "summary": "The minimal homepage loads a fragmented script-heavy startup payload.", "evidence": "HAR summary records 72 requests and 516,673 transferred bytes, including 55 scripts (286,474 bytes) and a 128,942-byte stylesheet for a sparse search shell.", "artifacts": [ "evidence/home.har", "evidence/home-summary.json" ], "suggestedFix": "Use coverage/bundle analysis to remove unused homepage modules and CSS, combine only where it reduces overhead, and defer settings/results code until requested.", "effort": "medium" }, { "id": "F12", "pathId": "settings", "url": "https://search.brave.com/settings", "principleId": "be-resilient", "principleCheckId": "offline-and-installable", "guidanceId": "performance", "guidanceCategory": "performance", "severity": "low", "confidence": "high", "summary": "The app-like search experience advertises a standalone manifest but is not meaningfully installable or offline-capable.", "evidence": "The fetched manifest has blank name and short_name and no start_url; the settings probe reports no controlling service worker.", "artifacts": [ "evidence/site-files.json", "evidence/settings-probe.json" ], "suggestedFix": "Complete the manifest metadata/start URL and add a service worker with an offline search-shell/failure page, or remove standalone installability signaling if intentionally unsupported.", "effort": "medium" }, { "id": "F13", "pathId": "home", "url": "https://search.brave.com/", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "fluid-scaling", "guidanceCategory": "css", "severity": "medium", "confidence": "high", "summary": "The public homepage lacks the viewport signal required for mobile-friendly indexing and presentation.", "evidence": "DOM and both mobile layout captures report no meta viewport and a 980 CSS-pixel layout viewport at scale 0.367.", "artifacts": [ "evidence/home-layout-mobile.json", "evidence/home-mobile.png" ], "suggestedFix": "Add a standard width=device-width viewport declaration, then verify that crawler/mobile rendering presents readable content without whole-page shrink-to-fit.", "effort": "trivial" } ], "taskList": [ { "id": "T01", "title": "Restore a true mobile viewport and verify responsive sizing", "priority": 1, "findingIds": [ "F01", "F13" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T02", "title": "Reduce false-positive bot blocking and add an accessible alternative challenge", "priority": 2, "findingIds": [ "F04" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T03", "title": "Fix usage-notice contrast and make its choice persistent/non-intrusive", "priority": 3, "findingIds": [ "F02", "F03" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T04", "title": "Improve mobile LCP and trim homepage startup modules", "priority": 4, "findingIds": [ "F05", "F11" ], "guidanceId": "identify-heavy-scripts", "status": "open" }, { "id": "T05", "title": "Complete or remove partial PWA installability signals", "priority": 5, "findingIds": [ "F12" ], "guidanceId": "performance", "status": "open" }, { "id": "T06", "title": "Use semantic transient-overlay and modern transition primitives", "priority": 6, "findingIds": [ "F06", "F09" ], "guidanceId": "light-dismiss-a-dialog", "status": "open" }, { "id": "T07", "title": "Add homepage heading structure and explicit Permissions-Policy", "priority": 7, "findingIds": [ "F07", "F08" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T08", "title": "Adopt container queries for reused panels where sizes vary", "priority": 8, "findingIds": [ "F10" ], "guidanceId": "size-aware-styling", "status": "open" } ], "budget": { "pathCount": 4, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-28T01-59-39-253Z" }