{ "url": "https://www.homedepot.com", "auditedAt": "2026-07-19T08:47:30.193Z", "mode": "report", "status": "completed", "statusDetail": "Atomic coverage complete. Category and cart path failures are findings rather than audit blockers because the homepage and sign-in remained inspectable.", "page": { "appType": "hybrid", "framework": "React-like shell", "notes": "Public US retail commerce site. Representative category and cart routes returned the site error state. Excluded from this run: checkout after adding an item, authenticated account management, store-detail and service-booking templates because product discovery/cart could not proceed and no credentials were supplied." }, "evidenceUsed": [ "screenshot", "dom", "layout-metrics", "evaluate-probe", "discoverability", "trace", "har", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "lighthouse", "robots.txt" ], "guidanceConsulted": [ "accessibility", "accessible-error-announcement", "agentic-forms", "agentic-javascript-tools", "autofill-address-form", "autofill-highlight-inputs", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "break-up-long-tasks", "calculate-event-differentials", "capture-location-agnostic-data", "carousel-slide-effects", "component-specific-light-dark-theme", "consistent-cross-document-transitions", "coordinate-global-events", "css", "css-layout", "dark-mode", "declarative-dialog-popover-control", "defer-rendering-heavy-content", "deliver-optimized-decorative-images", "deprioritize-background-fetches", "directional-navigation-transitions", "efficient-background-processing", "flicker-free-client-side-ab-testing", "fluid-scaling", "forms", "full-session-analytics", "html", "improve-text-layout-and-legibility", "language-model", "light-dismiss-a-dialog", "move-dom-element-without-losing-state", "navigation-drawer", "passkey-authentication", "passkey-management", "passkey-reauthentication", "passkey-registration", "passkeys", "performance", "persistent-app-tours", "persistent-top-layer-ui", "position-aware-tooltips", "pull-to-reveal", "schedule-tasks-by-priority", "scroll-entry-exit-effects", "scroll-position-aware-elements", "search-hidden-content", "security", "sequence-distributed-events", "size-aware-styling", "soft-edge-content-fade", "stack-drill-down", "support-global-calendar-systems", "webmcp" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "Homepage at 360x800.", "condition": "viewport: 360x800", "findingIds": [ "F14" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "Homepage at 1440x1000.", "condition": "viewport: 1440x1000", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-preferences.png", "caption": "Homepage under dark, reduced-motion and increased-contrast preferences.", "condition": "dark + reduced motion + increased contrast", "findingIds": [ "F01", "F02", "F04", "F05" ] }, { "type": "screenshot", "path": "evidence/plp-mobile.png", "caption": "Appliances listing error state.", "condition": "viewport: 360x800", "findingIds": [ "F07", "F08", "F26", "F27" ] }, { "type": "screenshot", "path": "evidence/cart-mobile.png", "caption": "Cart error state.", "condition": "viewport: 360x800", "findingIds": [ "F07", "F08", "F26", "F27", "F28" ] }, { "type": "screenshot", "path": "evidence/signin-mobile.png", "caption": "Sign-in form.", "condition": "viewport: 360x800", "findingIds": [ "F23", "F28" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "Lighthouse JSON for performance, accessibility, best practices and SEO.", "condition": "mobile default", "findingIds": [ "F02", "F06", "F09", "F10", "F11", "F12", "F13", "F14", "F15", "F16", "F17", "F19", "F23", "F26", "F30" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "Compact CDP performance trace summary.", "condition": "load + 3 seconds", "findingIds": [ "F09", "F10", "F30" ] }, { "type": "har", "path": "evidence/home.har", "caption": "Network HAR.", "condition": "load + 3 seconds", "findingIds": [] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "Compact HAR network summary.", "condition": "load + 3 seconds", "findingIds": [ "F11", "F12", "F22", "F29", "F30", "F31" ] }, { "type": "other", "path": "evidence/home-headers.json", "caption": "Security response-header probe.", "condition": "main document", "findingIds": [ "F21", "F24" ] }, { "type": "other", "path": "evidence/home-cookies.json", "caption": "Cookie security probe.", "condition": "after load", "findingIds": [ "F21" ] }, { "type": "other", "path": "evidence/home-trackers.json", "caption": "Third-party tracker probe.", "condition": "after load", "findingIds": [ "F22", "F31" ] }, { "type": "other", "path": "evidence/home-images.json", "caption": "Image delivery and accessibility probe.", "condition": "after load", "findingIds": [ "F18", "F29" ] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "Raw HTML versus rendered content analysis.", "condition": "JavaScript and no-JavaScript", "findingIds": [ "F20", "F25" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "Crawler/no-JavaScript view.", "condition": "JavaScript disabled", "findingIds": [ "F20", "F25" ] }, { "type": "heap", "path": "evidence/heap-baseline.heapsnapshot", "caption": "Baseline heap summary.", "condition": "after load", "findingIds": [ "F32", "F33" ] }, { "type": "heap", "path": "evidence/heap-post.heapsnapshot", "caption": "Heap summary after ten search interactions.", "condition": "10 focus/input/clear/blur cycles", "findingIds": [ "F32", "F33" ] }, { "type": "other", "path": "evidence/home-ui-probe.json", "caption": "CSS feature, focus, animation and structure probe.", "condition": "reduced motion", "findingIds": [ "F02", "F03", "F06", "F15", "F16" ] }, { "type": "dom", "path": "evidence/home-probe.json", "caption": "Metadata, forms, primitives and animation probe.", "condition": "after load", "findingIds": [ "F01", "F05", "F13" ] }, { "type": "layout", "path": "evidence/home-layout-mobile.json", "caption": "Mobile overflow, CLS and long-task layout observation.", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "other", "path": "evidence/signin-probe.json", "caption": "Sign-in field and autocomplete probe.", "condition": "mobile sign-in", "findingIds": [] } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 58, "blocked": 0, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": true }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "The preferences screenshot remains a bright white/light interface, the computed color-scheme is normal, and CSS inspection found no prefers-color-scheme rule.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-preferences.png", "evidence/home-probe.json" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "Under prefers-reduced-motion: reduce, skeleton pulse animations were absent and only one loading spinner remained.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-ui-probe.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "CSS inspection found no prefers-contrast or forced-colors rules; Lighthouse separately found four insufficient-contrast groups.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-preferences.png", "evidence/home-ui-probe.json", "evidence/lighthouse.json" ], "findingIds": [ "F02" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Rendered CSS inspection found no view-transition usage, while the site exposes many route and overlay state changes.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-ui-probe.json" ], "findingIds": [ "F03" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement after representative-path recon.", "evidence": "No scroll-linked animation was observed, so there is no scroll-handler implementation to judge.", "reason": "No scroll-linked animation was observed, so there is no scroll-handler implementation to judge." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "CSS inspection found platform scroll-snap support and no evidence of custom pointermove-driven gestures fighting native scrolling.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-ui-probe.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "The mobile layout keeps a consistent bottom navigation bar as the page scrolls, preserving orientation and primary destinations.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement after representative-path recon.", "evidence": "No tooltip or edge-positioned menu was exercised in the available homepage/sign-in surfaces.", "reason": "No tooltip or edge-positioned menu was exercised in the available homepage/sign-in surfaces." }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "Desktop and mobile screenshots show persistent, labeled navigation and strong search/Shop Now hierarchy.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Under the combined preferences condition, a sign-in sheet covers the bottom of the mobile viewport while a vertical Live Chat control overlays the content edge.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-preferences.png" ], "findingIds": [ "F04" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "The homepage displayed sign-in and chat overlays, but the DOM probe found 0 dialog elements and 0 popover elements.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-preferences.png", "evidence/home-probe.json" ], "findingIds": [ "F05" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "Outside the separately reported prompts, the responsive shell minimizes navigation into a compact header/bottom bar and gives the viewport to shopping content.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "At 360x800, layout measured scrollWidth 360, clientWidth 360, zero overflow, and a viewport meta tag.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-layout-mobile.json", "evidence/home-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "CSS inspection found container-query/container-type usage and screenshots show materially different desktop and mobile compositions.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-ui-probe.json", "evidence/home-mobile.png", "evidence/home-desktop.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "A focused search input computed to transparent outline and zero box-shadow; the UI probe counted 15 rendered controls below 24px in one dimension and Lighthouse failed target-size.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-ui-probe.json", "evidence/lighthouse.json" ], "findingIds": [ "F06" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "The first viewport clearly identifies Home Depot and foregrounds product search plus explicit Shop Now calls.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Direct navigation to the Appliances category and Cart both rendered “Oops!! Something went wrong. Please refresh page” instead of products or cart content.", "pathIds": [ "cart" ], "artifacts": [ "evidence/plp-mobile.png", "evidence/cart-mobile.png" ], "findingIds": [ "F07" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "The category and cart error screens provide a Refresh button but no cause, preserved context, alternate route, retry status, or useful recovery steps.", "pathIds": [ "cart" ], "artifacts": [ "evidence/plp-mobile.png", "evidence/cart-mobile.png" ], "findingIds": [ "F08" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Lighthouse measured LCP 8.9s, FCP 4.9s, TBT 2,180ms and performance 28; the CDP trace measured LCP 5.56s.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F09" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "Mobile layout observation measured CLS 0 with no recorded shifts; Lighthouse CLS was 0.083, within the good range.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-layout-mobile.json", "evidence/lighthouse.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "The trace recorded 10 long tasks, a 252.82ms longest task and 589.24ms TBT; Lighthouse measured 2,180ms TBT.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json", "evidence/lighthouse.json" ], "findingIds": [ "F10" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "The HAR recorded 138 requests and 3.96MB transferred, including 2.79MB of script and multiple parser-inserted high-priority resources; Lighthouse total byte weight was 5,529KiB.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Lighthouse estimated 1,799KiB of unused JavaScript; the HAR recorded 69 script requests totaling 2.79MB, including an 816KB homepage metadata bundle.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse.json" ], "findingIds": [ "F12" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Lighthouse failed form labels and label-content-name matching; the DOM probe found homepage search and email inputs with zero associated label elements.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-probe.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Lighthouse’s color-contrast audit failed four element groups on the homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-mobile.png" ], "findingIds": [ "F14" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "There is no h1, no main or navigation landmark, headings begin at h3 and jump to h5, and the focused search control has a transparent outline.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-ui-probe.json", "evidence/lighthouse.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "Mobile and desktop screenshots show readable body text and promotional labels without clipping or horizontal overflow at tested viewports.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/home-desktop.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Lighthouse failed target-size and the UI probe found 15 rendered controls smaller than 24px in at least one dimension, although 360px layout did not overflow.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-ui-probe.json" ], "findingIds": [ "F16" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Lighthouse captured CORS failure, repeated Apollo invariant exceptions, geolocation failure and store initialization TypeErrors.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F17" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "The image audit found 15 images without dimensions, 33 without srcset, 18 legacy-format assets and 5 oversized images.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json" ], "findingIds": [ "F18" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Lighthouse found three deprecated API warnings, missing source maps, DevTools Issues, third-party cookies and a geolocation request on page load.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F19" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "Rendered DOM contains title “The Home Depot” and a descriptive product-category meta description.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Discoverability measured only 1% raw/rendered word coverage and classified the page as a JavaScript shell; raw HTML lacked title, h1 and meta description.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-crawler.png" ], "findingIds": [ "F20" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "Main document returned HTTP 200, canonical points to https://www.homedepot.com/, and robots.txt permits the homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/home-discoverability.json" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "Rendered DOM contains 2 JSON-LD blocks and Open Graph title, description, type and URL matching visible content.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "The headers probe found no CSP, HSTS or X-Content-Type-Options; the cookie probe found 41 flagged cookies, including many without Secure and many SameSite=None.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "findingIds": [ "F21" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "The tracker probe contacted 54 third-party origins and identified 10 known tracker domains; the HAR attributes 118 requests and 3.12MB to non-main origins.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trackers.json", "evidence/home-summary.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Lighthouse geolocation-on-start identified two calls from localizerAutoInit; this also produced a console geolocation error. Sign-in does support autocomplete=\"username webauthn\".", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/signin-mobile.png" ], "findingIds": [ "F23" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "No X-Frame-Options or CSP frame-ancestors, Referrer-Policy, Permissions-Policy, HSTS, or CSP was observed on the main response.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json" ], "findingIds": [ "F24" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Raw HTML contained only 3 content tokens versus 125 rendered tokens, with 1% coverage and no raw title or description.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-crawler.png" ], "findingIds": [ "F25" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Appliances listing and cart both rendered the generic site error page; Lighthouse captured store initialization TypeErrors and Apollo invariant exceptions.", "pathIds": [ "home" ], "artifacts": [ "evidence/plp-mobile.png", "evidence/cart-mobile.png", "evidence/lighthouse.json" ], "findingIds": [ "F26" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement after representative-path recon.", "evidence": "This public commerce site is intrinsically network-dependent and did not present itself as an installable app.", "reason": "This public commerce site is intrinsically network-dependent and did not present itself as an installable app." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Category and cart failures collapse to a generic full-page error with only Refresh and no preserved task state or alternate path.", "pathIds": [ "home" ], "artifacts": [ "evidence/plp-mobile.png", "evidence/cart-mobile.png" ], "findingIds": [ "F27" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "The document declares lang=en and CSS inspection found logical inline properties; content reads left-to-right as expected for English.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/home-ui-probe.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "The tested US storefront consistently presents US dollar pricing and localized store/ZIP context without ambiguous dates.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement after representative-path recon.", "evidence": "No event time, recurring schedule, or time-zone-sensitive value appeared in the representative surfaces.", "reason": "No event time, recurring schedule, or time-zone-sensitive value appeared in the representative surfaces." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "No disguised ads, confirmshaming, preselected paid continuity or hidden pricing was observed in the tested homepage and sign-in surface.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/signin-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "The sign-in Continue action remains disabled until an email is entered, preventing premature invalid submission.", "pathIds": [ "signin" ], "artifacts": [ "evidence/signin-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "The account identifier input uses autocomplete=\"username webauthn\" and has a visible Email Address label.", "pathIds": [ "signin" ], "artifacts": [ "evidence/signin-mobile.png", "evidence/signin-probe.json" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "Direct navigation to Cart returned a full-page error instead of cart contents or a safe continuation path; sign-in loaded successfully but purchase continuity could not proceed.", "pathIds": [ "cart" ], "artifacts": [ "evidence/cart-mobile.png", "evidence/signin-mobile.png" ], "findingIds": [ "F28" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "The image audit found 5 oversized assets, 18 legacy-format assets, 33 images without responsive sources and 9 below-fold images without lazy loading.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/home-summary.json" ], "findingIds": [ "F29" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "The homepage made 138 requests, 69 for scripts, while Lighthouse estimated 1,799KiB unused JavaScript and the trace recorded 10 long tasks.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-trace-summary.json", "evidence/lighthouse.json" ], "findingIds": [ "F30" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "118 of 138 HAR requests and 3.12MB of 3.96MB transferred were non-main-origin; the tracker probe saw 54 third-party origins.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home-trackers.json" ], "findingIds": [ "F31" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement after representative-path recon.", "evidence": "Agentic commerce is a plausible future opportunity, but the emerging WebMCP surface is not currently a required capability.", "reason": "Agentic commerce is a plausible future opportunity, but the emerging WebMCP surface is not currently a required capability." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement after representative-path recon.", "evidence": "No user task in the exercised surfaces required on-device inference; absence is not a failure for this emerging capability.", "reason": "No user task in the exercised surfaces required on-device inference; absence is not a failure for this emerging capability." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "issues", "confidence": "low", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "After ten focus/input/clear/blur cycles, the heap summary rose from 1,413,367 to 1,837,904 nodes and from 86.0MB to 107.6MB self size; separate cold sessions lower confidence but the 25% growth is material.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post.heapsnapshot" ], "findingIds": [ "F32" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "high", "method": "Active browser evidence and targeted probe mapped to this atomic check.", "evidence": "The baseline heap contained 1.41 million nodes, 6.38 million edges and 86.0MB self size; the post-interaction snapshot reached 107.6MB.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post.heapsnapshot" ], "findingIds": [ "F33" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "high", "method": "Targeted rendered DOM, screenshot, Lighthouse, network or interaction evidence for this check.", "evidence": "Neither heap summary exposed a Detached* constructor among dominant retained constructors; no direct detached-DOM signal was observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post.heapsnapshot" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F01", "F02" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F03" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "pass" }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F04", "F05" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F06" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "issues", "findingIds": [ "F07", "F08" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F09", "F10", "F11", "F12" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F13", "F14", "F15", "F16" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F17", "F18", "F19" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F20" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F21", "F22", "F23", "F24" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F25", "F26", "F27" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F28" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F29", "F30", "F31" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "All checks were judged not applicable for this representative scope." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F32", "F33" ] } ], "paths": [ { "id": "home", "description": "Homepage, representing global shell, discovery, promotions, search entry, responsiveness and loading behavior.", "url": "https://www.homedepot.com/", "conditions": [ "desktop 1440x1000", "mobile 360x800", "dark scheme", "reduced motion", "increased contrast", "keyboard focus" ], "result": "issues" }, { "id": "plp", "description": "Appliances category listing, representing product discovery. Navigation returned the site error page, so deeper listing inspection was unavailable.", "url": "https://www.homedepot.com/b/Appliances/N-5yc1vZbv1w", "conditions": [ "mobile 360x800" ], "result": "failed" }, { "id": "signin", "description": "Sign-in flow, representing account forms and modern authentication.", "url": "https://www.homedepot.com/auth/view/signin", "conditions": [ "mobile 360x800" ], "result": "pass" }, { "id": "cart", "description": "Cart, representing the primary commercial journey and recovery state. It returned the site error page.", "url": "https://www.homedepot.com/cart", "conditions": [ "mobile 360x800" ], "result": "failed" } ], "findings": [ { "id": "F01", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "modern-web", "severity": "medium", "confidence": "high", "summary": "The storefront ignores the user’s dark color-scheme preference.", "evidence": "The preferences screenshot remains a bright white/light interface, the computed color-scheme is normal, and CSS inspection found no prefers-color-scheme rule.", "artifacts": [ "evidence/home-preferences.png", "evidence/home-probe.json" ], "suggestedFix": "Declare color-scheme and provide preference-driven dark surface, text, control and image treatments.", "effort": "medium" }, { "id": "F02", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "respect-user-preferences", "principleCheckId": "respects-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "No explicit increased-contrast or forced-colors adaptation was found.", "evidence": "CSS inspection found no prefers-contrast or forced-colors rules; Lighthouse separately found four insufficient-contrast groups.", "artifacts": [ "evidence/home-preferences.png", "evidence/home-ui-probe.json", "evidence/lighthouse.json" ], "suggestedFix": "Add forced-colors and prefers-contrast adaptations and test essential controls in Windows High Contrast Mode.", "effort": "medium" }, { "id": "F03", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "directional-navigation-transitions", "guidanceCategory": "modern-web", "severity": "low", "confidence": "high", "summary": "Route and state changes do not use View Transitions.", "evidence": "Rendered CSS inspection found no view-transition usage, while the site exposes many route and overlay state changes.", "artifacts": [ "evidence/home-ui-probe.json" ], "suggestedFix": "Use same-document and cross-document View Transitions for major route and state continuity, with reduced-motion handling.", "effort": "medium" }, { "id": "F04", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "modern-web", "severity": "medium", "confidence": "high", "summary": "Sign-in and chat prompts compete with shopping content on load.", "evidence": "Under the combined preferences condition, a sign-in sheet covers the bottom of the mobile viewport while a vertical Live Chat control overlays the content edge.", "artifacts": [ "evidence/home-preferences.png" ], "suggestedFix": "Delay nonessential prompts until user intent is clear, and keep them compact, dismissible and non-overlapping.", "effort": "large" }, { "id": "F05", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "modern-web", "severity": "medium", "confidence": "high", "summary": "The loaded overlay UI does not use native dialog or popover primitives.", "evidence": "The homepage displayed sign-in and chat overlays, but the DOM probe found 0 dialog elements and 0 popover elements.", "artifacts": [ "evidence/home-preferences.png", "evidence/home-probe.json" ], "suggestedFix": "Implement modal flows with dialog and transient anchored UI with popover, including declarative light dismiss and focus management.", "effort": "medium" }, { "id": "F06", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Keyboard focus and touch target support are incomplete.", "evidence": "A focused search input computed to transparent outline and zero box-shadow; the UI probe counted 15 rendered controls below 24px in one dimension and Lighthouse failed target-size.", "artifacts": [ "evidence/home-ui-probe.json", "evidence/lighthouse.json" ], "suggestedFix": "Provide a clearly visible :focus-visible indicator and enlarge or space interactive targets to WCAG target guidance.", "effort": "medium" }, { "id": "F07", "pathId": "plp", "url": "https://www.homedepot.com/", "principleId": "support-core-task-success", "principleCheckId": "primary-flow-completion", "guidanceId": "forms", "guidanceCategory": "forms", "severity": "critical", "confidence": "high", "summary": "Core product discovery and cart routes failed.", "evidence": "Direct navigation to the Appliances category and Cart both rendered “Oops!! Something went wrong. Please refresh page” instead of products or cart content.", "artifacts": [ "evidence/plp-mobile.png", "evidence/cart-mobile.png" ], "suggestedFix": "Fix shell/API initialization for category and cart routes, then add automated journey coverage from search/category through cart and checkout.", "effort": "large" }, { "id": "F08", "pathId": "plp", "url": "https://www.homedepot.com/", "principleId": "support-core-task-success", "principleCheckId": "clear-system-state-and-recovery", "guidanceId": "accessible-error-announcement", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "The core-route error state offers only a blind refresh.", "evidence": "The category and cart error screens provide a Refresh button but no cause, preserved context, alternate route, retry status, or useful recovery steps.", "artifacts": [ "evidence/plp-mobile.png", "evidence/cart-mobile.png" ], "suggestedFix": "Preserve context and provide actionable retry, back, support and fallback navigation with accessible status announcements.", "effort": "large" }, { "id": "F09", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "Lab loading performance is well outside good Core Web Vitals ranges.", "evidence": "Lighthouse measured LCP 8.9s, FCP 4.9s, TBT 2,180ms and performance 28; the CDP trace measured LCP 5.56s.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Prioritize the LCP image/content, reduce critical scripting, and verify field and lab LCP/INP/CLS after changes.", "effort": "large" }, { "id": "F10", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-main-thread", "guidanceId": "break-up-long-tasks", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "Heavy scripting blocks the main thread.", "evidence": "The trace recorded 10 long tasks, a 252.82ms longest task and 589.24ms TBT; Lighthouse measured 2,180ms TBT.", "artifacts": [ "evidence/home-trace-summary.json", "evidence/lighthouse.json" ], "suggestedFix": "Profile long tasks, split work, defer analytics/personalization and schedule noncritical tasks by priority.", "effort": "large" }, { "id": "F11", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "schedule-tasks-by-priority", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "Resource delivery is too heavy for the landing experience.", "evidence": "The HAR recorded 138 requests and 3.96MB transferred, including 2.79MB of script and multiple parser-inserted high-priority resources; Lighthouse total byte weight was 5,529KiB.", "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse.json" ], "suggestedFix": "Shorten critical dependency chains, defer noncritical scripts and styles, and make the LCP asset immediately discoverable and prioritized.", "effort": "large" }, { "id": "F12", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "defer-rendering-heavy-content", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "The homepage ships substantial avoidable JavaScript.", "evidence": "Lighthouse estimated 1,799KiB of unused JavaScript; the HAR recorded 69 script requests totaling 2.79MB, including an 816KB homepage metadata bundle.", "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse.json" ], "suggestedFix": "Remove unused/duplicate modules, route-split bundles, and load personalization and analytics only when needed.", "effort": "large" }, { "id": "F13", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Some form controls lack programmatic labels or matching accessible names.", "evidence": "Lighthouse failed form labels and label-content-name matching; the DOM probe found homepage search and email inputs with zero associated label elements.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-probe.json" ], "suggestedFix": "Give every control an associated label or accurate accessible name and ensure visible and accessible names match.", "effort": "large" }, { "id": "F14", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Text and controls include insufficient color contrast.", "evidence": "Lighthouse’s color-contrast audit failed four element groups on the homepage.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-mobile.png" ], "suggestedFix": "Adjust foreground/background tokens to meet WCAG AA in every interactive and promotional state.", "effort": "large" }, { "id": "F15", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "The homepage lacks a coherent semantic structure and visible search focus.", "evidence": "There is no h1, no main or navigation landmark, headings begin at h3 and jump to h5, and the focused search control has a transparent outline.", "artifacts": [ "evidence/home-ui-probe.json", "evidence/lighthouse.json" ], "suggestedFix": "Add one descriptive h1, main/nav landmarks, sequential headings and visible focus indicators with logical tab order.", "effort": "large" }, { "id": "F16", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "fluid-scaling", "guidanceCategory": "modern-web", "severity": "medium", "confidence": "high", "summary": "Touch target sizing does not consistently support reflowed/mobile use.", "evidence": "Lighthouse failed target-size and the UI probe found 15 rendered controls smaller than 24px in at least one dimension, although 360px layout did not overflow.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-ui-probe.json" ], "suggestedFix": "Increase target hit areas and spacing while retaining the current overflow-free mobile reflow.", "effort": "large" }, { "id": "F17", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "The homepage logs runtime and network errors.", "evidence": "Lighthouse captured CORS failure, repeated Apollo invariant exceptions, geolocation failure and store initialization TypeErrors.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Resolve API/CORS and state initialization failures and prevent expected failures from surfacing as uncaught exceptions.", "effort": "large" }, { "id": "F18", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "guidanceCategory": "modern-web", "severity": "medium", "confidence": "high", "summary": "Image markup and delivery are not consistently sound.", "evidence": "The image audit found 15 images without dimensions, 33 without srcset, 18 legacy-format assets and 5 oversized images.", "artifacts": [ "evidence/home-images.json" ], "suggestedFix": "Emit valid intrinsic dimensions, responsive sources and modern formats for content images.", "effort": "large" }, { "id": "F19", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "modern-web", "severity": "medium", "confidence": "high", "summary": "The page triggers platform hygiene failures.", "evidence": "Lighthouse found three deprecated API warnings, missing source maps, DevTools Issues, third-party cookies and a geolocation request on page load.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Remove deprecated/unload usage, publish source maps, resolve DevTools issues and request location only after an explicit user action.", "effort": "large" }, { "id": "F20", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "Core homepage content is absent from raw server HTML.", "evidence": "Discoverability measured only 1% raw/rendered word coverage and classified the page as a JavaScript shell; raw HTML lacked title, h1 and meta description.", "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-crawler.png" ], "suggestedFix": "Server-render or statically render meaningful homepage content and metadata so non-JS crawlers receive the real page.", "effort": "large" }, { "id": "F21", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "HTTPS is used, but baseline security headers and cookie protections are missing.", "evidence": "The headers probe found no CSP, HSTS or X-Content-Type-Options; the cookie probe found 41 flagged cookies, including many without Secure and many SameSite=None.", "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "suggestedFix": "Deploy HSTS, a restrictive CSP, nosniff and secure cookie attributes appropriate to each cookie.", "effort": "large" }, { "id": "F22", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "full-session-analytics", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "The homepage has a very large tracking and third-party footprint.", "evidence": "The tracker probe contacted 54 third-party origins and identified 10 known tracker domains; the HAR attributes 118 requests and 3.12MB to non-main origins.", "artifacts": [ "evidence/home-trackers.json", "evidence/home-summary.json" ], "suggestedFix": "Inventory and remove low-value trackers, gate optional vendors behind consent, and batch/minimize analytics payloads.", "effort": "large" }, { "id": "F23", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-private-and-secure", "principleCheckId": "in-context-permissions-and-modern-auth", "guidanceId": "passkeys", "guidanceCategory": "modern-web", "severity": "medium", "confidence": "high", "summary": "Geolocation is requested before an explicit user action.", "evidence": "Lighthouse geolocation-on-start identified two calls from localizerAutoInit; this also produced a console geolocation error. Sign-in does support autocomplete=\"username webauthn\".", "artifacts": [ "evidence/lighthouse.json", "evidence/signin-mobile.png" ], "suggestedFix": "Move geolocation behind a clearly explained store-location action while retaining WebAuthn-capable sign-in.", "effort": "large" }, { "id": "F24", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "Browser-enforced defensive policies are absent.", "evidence": "No X-Frame-Options or CSP frame-ancestors, Referrer-Policy, Permissions-Policy, HSTS, or CSP was observed on the main response.", "artifacts": [ "evidence/home-headers.json" ], "suggestedFix": "Set frame-ancestors, Referrer-Policy, Permissions-Policy and HSTS, and evaluate Trusted Types for the large client app.", "effort": "large" }, { "id": "F25", "pathId": "plp", "url": "https://www.homedepot.com/", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "consistent-cross-document-transitions", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "Core content depends almost entirely on JavaScript.", "evidence": "Raw HTML contained only 3 content tokens versus 125 rendered tokens, with 1% coverage and no raw title or description.", "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-crawler.png" ], "suggestedFix": "Deliver core navigation, promotional text and product-discovery entry points in server HTML, then enhance client-side.", "effort": "large" }, { "id": "F26", "pathId": "plp", "url": "https://www.homedepot.com/", "principleId": "be-resilient", "principleCheckId": "resilient-runtime-behaviour", "guidanceId": "sequence-distributed-events", "guidanceCategory": "modern-web", "severity": "critical", "confidence": "high", "summary": "Distinct core routes fail during runtime initialization.", "evidence": "Appliances listing and cart both rendered the generic site error page; Lighthouse captured store initialization TypeErrors and Apollo invariant exceptions.", "artifacts": [ "evidence/plp-mobile.png", "evidence/cart-mobile.png", "evidence/lighthouse.json" ], "suggestedFix": "Make route data dependencies conditional and sequenced, provide cached/fallback content, and test direct navigation across templates.", "effort": "large" }, { "id": "F27", "pathId": "plp", "url": "https://www.homedepot.com/", "principleId": "be-resilient", "principleCheckId": "network-and-http-failure-states", "guidanceId": "persistent-top-layer-ui", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "Failure states do not provide robust recovery.", "evidence": "Category and cart failures collapse to a generic full-page error with only Refresh and no preserved task state or alternate path.", "artifacts": [ "evidence/plp-mobile.png", "evidence/cart-mobile.png" ], "suggestedFix": "Add bounded retries, offline/network-specific messages, preserved cart/query state and alternative navigation.", "effort": "large" }, { "id": "F28", "pathId": "cart", "url": "https://www.homedepot.com/cart", "principleId": "be-trustworthy", "principleCheckId": "safe-commercial-and-account-flows", "guidanceId": "autofill-payment-form", "guidanceCategory": "modern-web", "severity": "critical", "confidence": "high", "summary": "The cart journey is not reliably available.", "evidence": "Direct navigation to Cart returned a full-page error instead of cart contents or a safe continuation path; sign-in loaded successfully but purchase continuity could not proceed.", "artifacts": [ "evidence/cart-mobile.png", "evidence/signin-mobile.png" ], "suggestedFix": "Restore cart reliability, preserve cart state through failures and verify clear pricing/commitments through checkout.", "effort": "large" }, { "id": "F29", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "modern-web", "severity": "medium", "confidence": "high", "summary": "Promotional imagery is frequently oversized or delivered in legacy formats.", "evidence": "The image audit found 5 oversized assets, 18 legacy-format assets, 33 images without responsive sources and 9 below-fold images without lazy loading.", "artifacts": [ "evidence/home-images.json", "evidence/home-summary.json" ], "suggestedFix": "Use AVIF/WebP, responsive srcset/sizes, correct intrinsic dimensions and lazy loading for below-fold promotions.", "effort": "large" }, { "id": "F30", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "Background personalization, analytics and tracking create disproportionate work.", "evidence": "The homepage made 138 requests, 69 for scripts, while Lighthouse estimated 1,799KiB unused JavaScript and the trace recorded 10 long tasks.", "artifacts": [ "evidence/home-summary.json", "evidence/home-trace-summary.json", "evidence/lighthouse.json" ], "suggestedFix": "Defer, conditionally load or remove nonessential analytics, personalization and survey work, especially before interaction.", "effort": "large" }, { "id": "F31", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "efficient-background-processing", "guidanceCategory": "modern-web", "severity": "high", "confidence": "high", "summary": "Third-party resource use exceeds a proportionate homepage budget.", "evidence": "118 of 138 HAR requests and 3.12MB of 3.96MB transferred were non-main-origin; the tracker probe saw 54 third-party origins.", "artifacts": [ "evidence/home-summary.json", "evidence/home-trackers.json" ], "suggestedFix": "Set a third-party request/byte budget, remove redundant vendors and load optional integrations only on user demand.", "effort": "large" }, { "id": "F32", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-memory-efficient", "principleCheckId": "no-leak-under-repeated-interaction", "guidanceId": "move-dom-element-without-losing-state", "guidanceCategory": "modern-web", "severity": "medium", "confidence": "low", "summary": "Heap growth after repeated search interaction warrants leak investigation.", "evidence": "After ten focus/input/clear/blur cycles, the heap summary rose from 1,413,367 to 1,837,904 nodes and from 86.0MB to 107.6MB self size; separate cold sessions lower confidence but the 25% growth is material.", "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post.heapsnapshot" ], "suggestedFix": "Repeat in one instrumented session with forced GC and baseline/target/final snapshots, then remove retained listeners, buffers or caches identified by dominator paths.", "effort": "large" }, { "id": "F33", "pathId": "home", "url": "https://www.homedepot.com/", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "performance", "guidanceCategory": "modern-web", "severity": "medium", "confidence": "high", "summary": "The initial homepage JavaScript heap is large for a promotional landing page.", "evidence": "The baseline heap contained 1.41 million nodes, 6.38 million edges and 86.0MB self size; the post-interaction snapshot reached 107.6MB.", "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post.heapsnapshot" ], "suggestedFix": "Reduce loaded bundles and vendor runtimes, release transient data and set a heap/DOM budget for the homepage.", "effort": "large" } ], "taskList": [ { "id": "T01", "title": "Fix shell/API initialization for category and cart routes, then add automated journey coverage from search/category through cart and checkout.", "priority": 1, "findingIds": [ "F07" ], "guidanceId": "forms", "status": "open" }, { "id": "T02", "title": "Make route data dependencies conditional and sequenced, provide cached/fallback content, and test direct navigation across templates.", "priority": 2, "findingIds": [ "F26" ], "guidanceId": "sequence-distributed-events", "status": "open" }, { "id": "T03", "title": "Restore cart reliability, preserve cart state through failures and verify clear pricing/commitments through checkout.", "priority": 3, "findingIds": [ "F28" ], "guidanceId": "autofill-payment-form", "status": "open" }, { "id": "T04", "title": "Provide a clearly visible :focus-visible indicator and enlarge or space interactive targets to WCAG target guidance.", "priority": 4, "findingIds": [ "F06" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T05", "title": "Preserve context and provide actionable retry, back, support and fallback navigation with accessible status announcements.", "priority": 5, "findingIds": [ "F08" ], "guidanceId": "accessible-error-announcement", "status": "open" }, { "id": "T06", "title": "Prioritize the LCP image/content, reduce critical scripting, and verify field and lab LCP/INP/CLS after changes.", "priority": 6, "findingIds": [ "F09" ], "guidanceId": "performance", "status": "open" }, { "id": "T07", "title": "Profile long tasks, split work, defer analytics/personalization and schedule noncritical tasks by priority.", "priority": 7, "findingIds": [ "F10" ], "guidanceId": "break-up-long-tasks", "status": "open" }, { "id": "T08", "title": "Shorten critical dependency chains, defer noncritical scripts and styles, and make the LCP asset immediately discoverable and prioritized.", "priority": 8, "findingIds": [ "F11" ], "guidanceId": "schedule-tasks-by-priority", "status": "open" }, { "id": "T09", "title": "Remove unused/duplicate modules, route-split bundles, and load personalization and analytics only when needed.", "priority": 9, "findingIds": [ "F12" ], "guidanceId": "defer-rendering-heavy-content", "status": "open" }, { "id": "T10", "title": "Give every control an associated label or accurate accessible name and ensure visible and accessible names match.", "priority": 10, "findingIds": [ "F13" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T11", "title": "Adjust foreground/background tokens to meet WCAG AA in every interactive and promotional state.", "priority": 11, "findingIds": [ "F14" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T12", "title": "Add one descriptive h1, main/nav landmarks, sequential headings and visible focus indicators with logical tab order.", "priority": 12, "findingIds": [ "F15" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T13", "title": "Resolve API/CORS and state initialization failures and prevent expected failures from surfacing as uncaught exceptions.", "priority": 13, "findingIds": [ "F17" ], "guidanceId": "html", "status": "open" }, { "id": "T14", "title": "Server-render or statically render meaningful homepage content and metadata so non-JS crawlers receive the real page.", "priority": 14, "findingIds": [ "F20" ], "guidanceId": "html", "status": "open" }, { "id": "T15", "title": "Deploy HSTS, a restrictive CSP, nosniff and secure cookie attributes appropriate to each cookie.", "priority": 15, "findingIds": [ "F21" ], "guidanceId": "security", "status": "open" }, { "id": "T16", "title": "Inventory and remove low-value trackers, gate optional vendors behind consent, and batch/minimize analytics payloads.", "priority": 16, "findingIds": [ "F22" ], "guidanceId": "full-session-analytics", "status": "open" }, { "id": "T17", "title": "Set frame-ancestors, Referrer-Policy, Permissions-Policy and HSTS, and evaluate Trusted Types for the large client app.", "priority": 17, "findingIds": [ "F24" ], "guidanceId": "security", "status": "open" }, { "id": "T18", "title": "Deliver core navigation, promotional text and product-discovery entry points in server HTML, then enhance client-side.", "priority": 18, "findingIds": [ "F25" ], "guidanceId": "consistent-cross-document-transitions", "status": "open" }, { "id": "T19", "title": "Add bounded retries, offline/network-specific messages, preserved cart/query state and alternative navigation.", "priority": 19, "findingIds": [ "F27" ], "guidanceId": "persistent-top-layer-ui", "status": "open" }, { "id": "T20", "title": "Defer, conditionally load or remove nonessential analytics, personalization and survey work, especially before interaction.", "priority": 20, "findingIds": [ "F30" ], "guidanceId": "deprioritize-background-fetches", "status": "open" }, { "id": "T21", "title": "Set a third-party request/byte budget, remove redundant vendors and load optional integrations only on user demand.", "priority": 21, "findingIds": [ "F31" ], "guidanceId": "efficient-background-processing", "status": "open" }, { "id": "T22", "title": "Declare color-scheme and provide preference-driven dark surface, text, control and image treatments.", "priority": 22, "findingIds": [ "F01" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T23", "title": "Add forced-colors and prefers-contrast adaptations and test essential controls in Windows High Contrast Mode.", "priority": 23, "findingIds": [ "F02" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T24", "title": "Delay nonessential prompts until user intent is clear, and keep them compact, dismissible and non-overlapping.", "priority": 24, "findingIds": [ "F04" ], "guidanceId": "light-dismiss-a-dialog", "status": "open" }, { "id": "T25", "title": "Implement modal flows with dialog and transient anchored UI with popover, including declarative light dismiss and focus management.", "priority": 25, "findingIds": [ "F05" ], "guidanceId": "declarative-dialog-popover-control", "status": "open" }, { "id": "T26", "title": "Increase target hit areas and spacing while retaining the current overflow-free mobile reflow.", "priority": 26, "findingIds": [ "F16" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T27", "title": "Emit valid intrinsic dimensions, responsive sources and modern formats for content images.", "priority": 27, "findingIds": [ "F18" ], "guidanceId": "html", "status": "open" }, { "id": "T28", "title": "Remove deprecated/unload usage, publish source maps, resolve DevTools issues and request location only after an explicit user action.", "priority": 28, "findingIds": [ "F19" ], "guidanceId": "html", "status": "open" }, { "id": "T29", "title": "Move geolocation behind a clearly explained store-location action while retaining WebAuthn-capable sign-in.", "priority": 29, "findingIds": [ "F23" ], "guidanceId": "passkeys", "status": "open" }, { "id": "T30", "title": "Use AVIF/WebP, responsive srcset/sizes, correct intrinsic dimensions and lazy loading for below-fold promotions.", "priority": 30, "findingIds": [ "F29" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T31", "title": "Repeat in one instrumented session with forced GC and baseline/target/final snapshots, then remove retained listeners, buffers or caches identified by dominator paths.", "priority": 31, "findingIds": [ "F32" ], "guidanceId": "move-dom-element-without-losing-state", "status": "open" }, { "id": "T32", "title": "Reduce loaded bundles and vendor runtimes, release transient data and set a heap/DOM budget for the homepage.", "priority": 32, "findingIds": [ "F33" ], "guidanceId": "performance", "status": "open" }, { "id": "T33", "title": "Use same-document and cross-document View Transitions for major route and state continuity, with reduced-motion handling.", "priority": 33, "findingIds": [ "F03" ], "guidanceId": "directional-navigation-transitions", "status": "open" } ], "budget": { "wallClockSeconds": 900, "pathCount": 4, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-19T08-47-30-193Z" }