{ "url": "https://www.ups.com", "auditedAt": "2026-07-28T02:11:56Z", "mode": "report", "status": "blocked", "statusDetail": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "page": { "appType": "unknown", "framework": "unknown", "notes": "The origin never returned an inspectable UPS document, so app type, templates, routes, and flows could not be established." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "HTTP/1.1 curl retry", "Modern Web Guidance search/retrieve" ], "guidanceConsulted": [ "agentic-forms", "performance", "html", "search-hidden-content", "coordinate-global-events", "accessibility", "carousel-slide-effects", "defer-work-until-scroll-ends", "pull-to-reveal", "dark-mode", "scroll-position-aware-elements", "privacy", "required-field-feedback", "autofill-payment-form" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "Desktop navigation attempt showing Chrome ERR_HTTP2_PROTOCOL_ERROR.", "condition": "viewport: 1440x900", "findingIds": [] }, { "type": "screenshot", "path": "evidence/retry-mobile.png", "caption": "Locale-specific mobile navigation retry; site content still did not load.", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "DOM capture from the failed navigation; contains Chrome network-error UI rather than UPS content.", "findingIds": [] }, { "type": "other", "path": "evidence/recon.json", "caption": "Recon probe recording chrome-error://chromewebdata/, ERR_HTTP2_PROTOCOL_ERROR, and absence of site links.", "findingIds": [] }, { "type": "other", "path": "coverage-manifest.json", "caption": "Exact 58-check coverage manifest and planned evidence method for each catalog pair.", "findingIds": [] }, { "type": "other", "path": "validation.log", "caption": "Atomic coverage validator output. Publication gate correctly fails because all 58 checks are blocked.", "findingIds": [] } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 0, "blocked": 58, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": false }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a screenshot or computed background under an emulated prefers-color-scheme: dark condition will reveal whether surfaces re-tint; the page CSS / a color-scheme declaration is corroborating evidence.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a transition video, or an in-page probe of getAnimations()/computed animation under an emulated prefers-reduced-motion: reduce condition, can show whether motion stops.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a screenshot under emulated prefers-contrast: more / forced-colors, or an axe/contrast probe, can show whether controls and text survive.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a transition video of a route/state change shows whether it animates; the page source / ::view-transition usage corroborates.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: source/CSS inspection for animation-timeline: scroll()/view(); a long-task / scroll-handler probe can flag the main-thread anti-pattern.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: CSS inspection for scroll-snap / overscroll-behavior / physics-based easing vs custom pointermove listeners.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a transition video of scrolling, or CSS inspection for scroll-state container queries.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: CSS inspection for anchor-name / position-anchor / position-try on overlays; a screenshot of an open overlay near a viewport edge can show drift.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: CSS inspection for ::highlight / scroll-marker; a transition video can show whether attention is cued after navigation.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a screenshot on load, or a DOM probe for full-viewport overlays present before interaction.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: DOM/source inspection for popover / /
vs custom overlay divs with manual dismiss handling.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a screenshot plus layout metrics can show the proportion of the viewport given to chrome vs content.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: layout metrics (scrollWidth vs innerWidth) and a screenshot at an emulated narrow mobile viewport reveal overflow.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: CSS inspection for @container / container-type; a computed-style probe of the same component in a wide vs narrow container shows whether it adapts.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a focus probe (focus an element, read the computed outline) or an axe target-size check; a screenshot of a focused control corroborates.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: screenshot the first viewport and key scrolled states; inspect heading structure, nav labels, button text, and visual hierarchy; a task walkthrough can show whether the next action is obvious.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: run the flow manually with screenshots/DOM snapshots at each step; compare expected vs actual path length; inspect form requirements, navigation continuity, and blockers.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: exercise network delay/failure, invalid input, empty data and success states; screenshot the state messaging and recovery controls; inspect whether browser history and focus remain sensible.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: Lighthouse reports LCP/CLS/TBT directly and the model may run it; layout metrics + a layout-shift observer + a long-task observer (the evidence primitives) give the same signal first-party.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: the layout primitive's CLS observer captures shifts; a transition video of the first seconds shows content jumping.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: the layout primitive records long tasks; a heap summary shows the object population; Lighthouse reports TBT.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a HAR summary can reveal cache headers, redirects, render-blocking candidates, weight offenders and dependency shape; a trace/Lighthouse insight report can corroborate LCP discovery, render-blocking, font-display and document latency.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: Lighthouse/trace/code-coverage style evidence can flag unused JS/CSS, duplicated JavaScript and legacy code; a HAR summary shows third-party byte cost and request count.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: axe-core (injectable via the evaluate primitive) or Lighthouse's a11y audits enumerate these; a DOM probe of the accessibility-relevant attributes is a first-party alternative.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: axe contrast rules, a Lighthouse contrast audit, or an in-page probe computing contrast ratios from computed colours.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: axe/Lighthouse structural audits; a focus-walk probe (tab through, read activeElement + computed outline) is a first-party alternative.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a screenshot of body and heading text, plus CSS inspection for text-wrap / text alignment / font fallback handling.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: Lighthouse/axe target-size, meta-viewport and media-caption audits are useful signals; screenshots at narrow and zoomed conditions plus DOM/media inspection can corroborate.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: capture Runtime/Log CDP events, or a probe that reads collected errors; Lighthouse reports this too.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a DOM/source probe for doctype/charset/img dimensions; CSS inspection for repetition; Lighthouse best-practices audits cover the rest.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: Lighthouse best-practices audits and DevTools inspector/deprecation signals can surface these; DOM/source probes can verify paste handlers and prompt timing.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a DOM probe reads and meta[name=description]; Lighthouse SEO audits cover the same ground.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a DOM probe for anchor hrefs, viewport meta, and robots; Lighthouse SEO audits corroborate.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: inspect response status and headers, <link rel=canonical>, hreflang links, robots meta, robots.txt and sitemap.xml; Lighthouse SEO audits cover several of these.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: inspect JSON-LD/microdata and social preview tags against visible content; Lighthouse has a manual structured-data audit, and ad-hoc probes can parse schema.org blocks.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: inspect response headers / page protocol via an evaluate probe or the network layer; Lighthouse best-practices flags HTTPS and CSP issues.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: inspect network requests and third-party origins; a probe of analytics/beacon calls.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a probe for permission requests fired on load; source inspection for passkey / WebAuthn / navigator.credentials usage in auth flows.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: inspect response headers and browser security state; Lighthouse/DevTools security audits can corroborate HSTS, clickjacking, Trusted Types, origin isolation and third-party cookie findings.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: load with scripting disabled or compare a no-JS fetch of the HTML against the rendered page; check for Baseline-aware fallbacks in source.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: exercise menus near viewport edges with a screenshot; a probe of async/visibility behaviour.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a probe for a service worker registration and a web app manifest; test behaviour offline.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: simulate failed fetches/offline mode or inspect representative 404/500 routes; screenshots and DOM snapshots of error/loading/empty states show whether recovery is possible.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a DOM probe for <html lang>/dir and CSS inspection for logical vs physical properties.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: source inspection for Intl.* usage vs hand-rolled formatting; a probe of rendered dates/numbers under a different locale.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: source inspection for time-zone-aware date handling vs naive local Date math.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a screenshot of consent/upsell/cancel flows; source inspection for declarative button actions vs misleading controls.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: exercise a form, submit invalid input, and observe timing and clarity of errors via a screenshot or a :user-invalid / aria-invalid probe.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: source/DOM inspection for autocomplete attributes on form fields; a probe of autofill affordances.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: walkthrough checkout/subscription/auth/account flows when present; screenshot pricing, confirmation, cancellation and reauthentication states; inspect passkey/autocomplete support for sign-in and payment.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: inspect transferred image bytes vs displayed size; source inspection for modern formats and resolution handling.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a long-task / network probe for background fetches and processing while idle or backgrounded.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a HAR summary shows third-party bytes, font/media weight and caching; screenshots/video reveal autoplay and decorative media; trace/layout evidence shows whether media/animation keeps work running.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: source inspection for WebMCP / agentic-tool registration and agent-readable affordances.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: source inspection for built-in AI (language model / summariser) usage.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: compare heap snapshots for retained growth - a baseline, then one taken after repeating the interaction with `--interact` about 10x (the memory-tracer methodology: baseline -> repeat -> post -> compare). Performance.getMetrics (JSHeapUsedSize, Nodes) across the same before/after window is corroboration. If Chrome DevTools MCP is available, follow its memory-leak-debugging skill: capture baseline, target, and final snapshots, then use memlab or the provided comparison workflow rather than reading raw .heapsnapshot files directly. The package-native `heap` primitive remains the default path. This check is only meaningful where the page has a real interaction to repeat; for a static page with none, mark it not-applicable with a rationale rather than fabricating one.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: a single `heap` summary's totals (nodeCount, totalSelfSizeBytes, constructor population) plus Performance.getMetrics (Nodes, JSHeapUsedSize) give the current footprint to judge against the page's purpose. Chrome DevTools MCP heap snapshots and memlab snapshot analysis can provide the same memory distribution when available. Read summaries or derived analysis, never raw snapshots unless a dedicated heap-analysis tool is doing the analysis.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "blocked", "confidence": "high", "method": "Attempted to navigate to the target before executing the planned check-specific method: the `heap` summary by constructor (Detached* nodes) compared across a before/after pair shows a growing detached-DOM population; an `evaluate` probe can sample listener/timer counts (e.g. getEventListeners-style counting, or instrumenting addEventListener/setInterval) before and after the repeated interaction to spot growth. Chrome DevTools MCP heap snapshots plus the memory-leak-debugging skill's common-leak guidance can corroborate detached DOM, listeners, closures, globals, and unbounded caches. Caveat from the memory-tracer and Chrome DevTools MCP guidance: detached nodes can be intentional caches, so judge confidence rather than asserting a bug.", "evidence": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "reason": "Navigation failed before site content loaded: Chrome returned chrome-error://chromewebdata/ with ERR_HTTP2_PROTOCOL_ERROR for both the requested URL and the locale-specific retry; an independent HTTP/1.1 request timed out after 30 seconds with zero response bytes.", "pathIds": [ "home", "locale-retry" ], "artifacts": [ "evidence/home-desktop.png", "evidence/recon.json", "evidence/home-dom.json", "evidence/retry-mobile.png" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "incomplete", "reason": "All 3 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "incomplete", "reason": "All 3 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "incomplete", "reason": "All 3 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "incomplete", "reason": "All 3 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "incomplete", "reason": "All 3 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "support-core-task-success", "expectation": "default", "status": "incomplete", "reason": "All 3 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "incomplete", "reason": "All 5 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "be-inclusive", "expectation": "default", "status": "incomplete", "reason": "All 5 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "follow-best-practices", "expectation": "default", "status": "incomplete", "reason": "All 3 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "be-discoverable", "expectation": "default", "status": "incomplete", "reason": "All 4 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "incomplete", "reason": "All 4 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "be-resilient", "expectation": "contextual", "status": "incomplete", "reason": "All 4 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "incomplete", "reason": "All 3 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "be-trustworthy", "expectation": "default", "status": "incomplete", "reason": "All 4 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "incomplete", "reason": "All 3 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "incomplete", "reason": "All 2 defined checks were blocked because UPS content could not be loaded from this environment." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "incomplete", "reason": "All 3 defined checks were blocked because UPS content could not be loaded from this environment." } ], "paths": [ { "id": "home", "description": "Requested homepage and initial reconnaissance. Intended to identify navigation, internal links, sitemap, and representative archetypes; failed before UPS content loaded.", "url": "https://www.ups.com", "conditions": [ "viewport: 1440x900" ], "result": "failed" }, { "id": "locale-retry", "description": "Locale-specific homepage retry at a mobile viewport to rule out a root-redirect or viewport-specific failure; UPS content still did not load.", "url": "https://www.ups.com/us/en/Home.page", "conditions": [ "viewport: 360x800" ], "result": "failed" } ], "findings": [], "taskList": [], "budget": { "wallClockSeconds": 180, "pathCount": 2, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-28T02-10-01-575Z" }