{ "url": "https://www.microsoft.com", "auditedAt": "2026-07-22T11:30:33.723Z", "mode": "report", "status": "completed", "statusDetail": "Coverage complete across 58 atomic checks. One representative product path returned a recoverable upstream demand page and is reported as a finding.", "page": { "appType": "mpa", "framework": "AEM / Microsoft Web Framework templates", "notes": "Public multi-template marketing and commerce site localized to en-GB." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "layout-metrics", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "lighthouse" ], "guidanceConsulted": [ "dark-mode", "component-specific-light-dark-theme", "accessibility", "adapt-scrollbar-to-contrast-preferences", "same-document-transitions", "cross-document-transitions", "group-element-transitions", "faster-spa-view-transitions", "scrollytelling", "parallax-scroll-effects", "scroll-entry-exit-effects", "carousel-slide-effects", "physics-based-easing", "individual-transform-properties", "animate-element-entry-exit", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "dynamic-sibling-animations", "interactive-content-reveal", "pull-to-reveal", "swipe-to-remove", "shrinking-header-on-scroll", "scroll-progress-indicator", "scroll-position-aware-elements", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "soft-edge-content-fade", "scrollability-affordance-hints", "anchor-positioning-tab-underline", "position-aware-tooltips", "interest-triggered-tooltips", "interest-triggered-action-previews", "directional-navigation-transitions", "carousel-snap-highlights", "navigation-drawer", "stack-drill-down", "persistent-app-tours", "persistent-toast-notifications", "light-dismiss-a-dialog", "platform-controls-dismiss-dialog", "declarative-dialog-popover-control", "animated-select-picker", "branded-select-styling", "brand-consistent-forms", "custom-select-picker-layouts", "rich-media-picker", "complex-shapes", "shaped-cutouts", "overflow-clipping-control", "visually-texture-content", "apply-webgl-shaders", "interactive-content-in-3d-scenes", "highlight-text-ranges", "prevent-text-wrapping", "customize-scrollbar-color-and-thickness", "export-html-media-from-canvas", "fluid-scaling", "calculate-with-intrinsic-sizes", "css-layout", "size-aware-styling", "content-based-styling", "child-state-based-styling", "design-token-reactivity", "dynamic-sibling-styling", "form-fields-automatically-fit-contents", "improve-text-layout-and-legibility", "forms", "accessible-error-announcement", "required-field-feedback", "validate-input-after-interaction", "identify-inp-causes", "schedule-tasks-by-priority", "optimize-preload-priority", "improve-next-page-load-performance", "interactions-in-complex-layouts", "performance", "visually-stable-font-fallbacks", "break-up-long-tasks", "identify-heavy-scripts", "optimize-script-priority", "defer-rendering-heavy-content", "defer-work-until-scroll-ends", "optimize-image-priority", "conditional-async-dependencies", "expose-canvas-content-to-browser-features", "move-dom-element-without-losing-state", "precise-text-alignment", "visually-stable-mixed-fonts", "css", "html", "reduce-style-repetition", "security", "privacy", "batch-analytics-events", "full-session-analytics", "calculate-total-foreground-time", "passkeys", "passkey-registration", "passkey-authentication", "passkey-reauthentication", "passkey-conditional-create", "passkey-management", "flicker-free-client-side-ab-testing", "consistent-cross-document-transitions", "stabilize-reactive-state", "resilient-context-menus-and-nested-dropdowns", "persistent-top-layer-ui", "detect-initial-visibility-state", "sequence-distributed-events", "translator", "language-detection", "support-global-calendar-systems", "capture-location-agnostic-data", "format-human-readable-durations", "manage-recurring-intervals", "calculate-event-differentials", "coordinate-global-events", "model-partial-time-concepts", "search-hidden-content", "select-menu-interaction", "style-parent-with-has", "autofill-address-form", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "autofill-highlight-inputs", "deliver-optimized-decorative-images", "resolution-optimized-pseudo-elements", "deprioritize-background-fetches", "efficient-background-processing", "webmcp", "agentic-forms", "agentic-javascript-tools", "language-model", "summarizer" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "Homepage desktop full-page load", "condition": "desktop", "findingIds": [ "F03" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "Homepage at 360x800", "condition": "viewport: 360x800", "findingIds": [ "F03" ] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "Homepage under dark preference", "condition": "prefers-color-scheme: dark", "findingIds": [ "F01" ] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "Mobile overflow, CLS and long tasks", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "dom", "path": "evidence/platform-probe.json", "caption": "Document, controls, metadata and CSS-feature probe", "condition": "desktop", "findingIds": [ "F02", "F04", "F15", "F19", "F21" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "DevTools load trace", "condition": "desktop cold load", "findingIds": [] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "Trace timing and long-task summary", "condition": "desktop cold load", "findingIds": [ "F07", "F08", "F10", "F12", "F14", "F23" ] }, { "type": "har", "path": "evidence/home.har", "caption": "Network capture", "condition": "desktop cold load", "findingIds": [ "F09", "F23" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "Network totals and third-party signals", "condition": "desktop cold load", "findingIds": [ "F09", "F18", "F23", "F24" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "Lighthouse report", "condition": "mobile simulated", "findingIds": [] }, { "type": "other", "path": "evidence/lighthouse-summary.json", "caption": "Selected Lighthouse findings", "condition": "mobile simulated", "findingIds": [ "F07", "F08", "F10", "F12", "F14", "F23" ] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "Home raw vs rendered coverage", "condition": "JavaScript disabled comparison", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "Rendered home crawler comparison", "condition": "JavaScript enabled", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "Crawler home comparison", "condition": "JavaScript disabled", "findingIds": [] }, { "type": "other", "path": "evidence/home-headers.json", "caption": "Security response headers", "condition": "main response", "findingIds": [ "F16", "F17" ] }, { "type": "other", "path": "evidence/home-cookies.json", "caption": "Cookie attributes", "condition": "after load", "findingIds": [ "F16", "F17" ] }, { "type": "other", "path": "evidence/home-trackers.json", "caption": "Third-party tracker origins", "condition": "after load", "findingIds": [ "F18", "F24" ] }, { "type": "other", "path": "evidence/home-images.json", "caption": "Image dimensions, formats and alt audit", "condition": "after load", "findingIds": [ "F11", "F13", "F22" ] }, { "type": "screenshot", "path": "evidence/product-mobile.png", "caption": "Surface product path demand failure", "condition": "viewport: 360x800", "findingIds": [ "F05", "F06", "F20" ] }, { "type": "screenshot", "path": "evidence/listing-mobile.png", "caption": "Store listing archetype", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "screenshot", "path": "evidence/m365-mobile.png", "caption": "Microsoft 365 archetype", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "discoverability", "path": "evidence/m365-discoverability.json", "caption": "M365 raw vs rendered coverage", "condition": "JavaScript disabled comparison", "findingIds": [] }, { "type": "screenshot", "path": "evidence/ai-mobile.png", "caption": "AI category archetype", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "other", "path": "evidence/preferences-probe.json", "caption": "Dark and reduced-motion computed-style probe", "condition": "emulated preferences", "findingIds": [ "F01" ] }, { "type": "dom", "path": "evidence/listing-dom.json", "caption": "Store listing rendered DOM", "condition": "desktop", "findingIds": [] }, { "type": "dom", "path": "evidence/ai-dom.json", "caption": "AI category rendered DOM", "condition": "desktop", "findingIds": [] }, { "type": "dom", "path": "evidence/product-dom.json", "caption": "Surface product failure rendered DOM", "condition": "desktop", "findingIds": [ "F05", "F06", "F20" ] }, { "type": "dom", "path": "evidence/recon.json", "caption": "Route and metadata recon", "condition": "desktop", "findingIds": [] }, { "type": "other", "path": "evidence/search-flow.json", "caption": "Global search interaction probe", "condition": "search opened", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-baseline.json", "caption": "Baseline heap summary", "condition": "after load", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-post-valid.json", "caption": "Heap after ten scroll cycles", "condition": "repeated interaction", "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": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "Under emulated prefers-color-scheme: dark, the page reports color-scheme: normal and keeps body background rgb(255,255,255); the dark screenshot remains light.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png", "evidence/preferences-probe.json" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Emulated reduced-motion matched true, exposed no active animations, and rendered CSS contains three reduced-motion rules.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-dark.png", "evidence/preferences-probe.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Lighthouse color-contrast audit passed and the visual screenshots retain clear text/control boundaries.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/lighthouse-summary.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "The rendered CSS probe found zero view-transition rules across the home page, while navigation is a core part of this multi-page site.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json" ], "findingIds": [ "F02" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "Representative-path DOM and interaction inventory.", "evidence": "No scroll-linked animation was present on the representative pages, so there is no scroll implementation to assess.", "reason": "No scroll-linked animation was present on the representative pages, so there is no scroll implementation to assess." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "not-applicable", "confidence": "high", "method": "Representative-path DOM and interaction inventory.", "evidence": "No custom gesture-driven interaction was present in the representative surfaces.", "reason": "No custom gesture-driven interaction was present in the representative surfaces." }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Desktop/mobile screenshots show compact persistent navigation and clear long-page section progression without obstructing content.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Representative-path DOM and interaction inventory.", "evidence": "No tooltip or floating menu requiring anchor positioning was encountered in the exercised states.", "reason": "No tooltip or floating menu requiring anchor positioning was encountered in the exercised states." }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Heading hierarchy and high-contrast calls to action consistently guide attention through home, listing, M365 and AI archetypes.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/listing-mobile.png", "evidence/listing-dom.json", "evidence/m365-mobile.png", "evidence/m365-discoverability.json", "evidence/ai-mobile.png", "evidence/ai-dom.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "Desktop and mobile load screenshots show the cookie notice before the global header and hero, occupying roughly 300 px desktop and 215 px mobile.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ], "findingIds": [ "F03" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "DOM probe found no ad-hoc dialog overlays on load; global navigation uses named native buttons and links.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/platform-probe.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Screenshots show content cards and product imagery dominate the page below the consent notice.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "At 360x800, layout reported scrollWidth=clientWidth=360 and horizontalOverflowPx=0.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "The CSS probe found zero @container rules across the rendered homepage; the page has repeated card components used in several widths.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json" ], "findingIds": [ "F04" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Lighthouse target-size and accessibility audits passed; primary links are 40–48px tall and native focusable controls are used.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/platform-probe.json", "evidence/lighthouse-summary.json" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Home, listing, Microsoft 365 and AI screenshots each expose a clear H1/offer and prominent next actions.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/listing-mobile.png", "evidence/listing-dom.json", "evidence/m365-mobile.png", "evidence/m365-discoverability.json", "evidence/ai-mobile.png", "evidence/ai-dom.json" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "The representative Surface Laptop product URL returned “Thank you for your patience… high demand” instead of product details or purchase actions.", "pathIds": [ "product" ], "artifacts": [ "evidence/product-mobile.png", "evidence/product-dom.json" ], "findingIds": [ "F05" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "The failure page says “wait and try again later” but provides no retry control, status link, product-list fallback, or way back to the relevant Surface category.", "pathIds": [ "product" ], "artifacts": [ "evidence/product-mobile.png", "evidence/product-dom.json" ], "findingIds": [ "F06" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "Lighthouse measured LCP 17.2 s, TBT 405 ms, Speed Index 11.0 s, and interactive at 25.6 s; the independent trace measured LCP 2.83 s and 61 ms TBT, showing substantial run-to-run load sensitivity.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F07" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Mobile layout measured CLS 0.000064 and Lighthouse measured CLS 0.00010.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile.png", "evidence/lighthouse-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "Lighthouse measured 405 ms TBT; the trace recorded two long tasks, including one 111 ms task.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F08" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "HAR captured 197 requests and 3.01 MB transferred, including 140 scripts (1.74 MB) and multiple VeryHigh-priority parser-inserted stylesheets.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "findingIds": [ "F09" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "Lighthouse estimated 432 KiB unused JavaScript and 241 KiB unused CSS; one store-assistant bundle wasted about 327 KiB and a UHF stylesheet was 98% unused.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F10" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "The image audit found 7 of 26 images without alt text, including a visible Azure AI content-card image; Lighthouse’s sampled load still scored automated accessibility at 1.0.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Lighthouse color-contrast audit passed with score 1.0.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/lighthouse-summary.json" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Lighthouse heading-order, link-name and button-name audits passed; DOM includes header, nav, main and footer landmarks.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/platform-probe.json", "evidence/lighthouse-summary.json" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Desktop/mobile screenshots show readable line lengths, spacing and consistent typographic hierarchy across four archetypes.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/listing-mobile.png", "evidence/listing-dom.json", "evidence/m365-mobile.png", "evidence/m365-discoverability.json", "evidence/ai-mobile.png", "evidence/ai-dom.json" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Mobile reflow has no horizontal overflow; Lighthouse target-size and viewport audits passed.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/home-mobile.png", "evidence/lighthouse-summary.json" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "Lighthouse captured a ReimagineTelemetry ReferenceError, a querySelectorAllDeep TypeError, and two missing font resources (404).", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F12" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "The image audit found all 26 img elements lacked width and height attributes, with 3 oversized images and 16 lacking srcset; observed CLS happened to remain low in this run.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json" ], "findingIds": [ "F13" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "Lighthouse’s BFCache audit reports UnloadHandlerExistsInMainFrame.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Homepage has a descriptive title and meta description; M365 also preserves title/description in raw HTML.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/platform-probe.json", "evidence/home-discoverability.json", "evidence/home-discoverability-rendered.png", "evidence/home-discoverability-crawler.png", "evidence/m365-mobile.png", "evidence/m365-discoverability.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Lighthouse crawlable-anchor, robots and viewport audits passed; representative navigation uses real href links.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/recon.json" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Homepage returned 200, declares canonical https://www.microsoft.com/en-gb and index,follow; robots permits it.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/platform-probe.json", "evidence/home-discoverability.json", "evidence/home-discoverability-rendered.png", "evidence/home-discoverability-crawler.png" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "The metadata probe found zero JSON-LD blocks. Open Graph title, description, URL and type are present, and raw-HTML discoverability is strong.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "Header inspection found no CSP or X-Content-Type-Options; cookie inspection found ak_bmsc and bStore without Secure and all three sampled cookies using SameSite=None. HSTS is present.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "Tracker evidence found 11 third-party origins and active Microsoft Clarity endpoints; HAR attributes 49 requests and 1.18 MB to third-party origins before consent interaction.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trackers.json", "evidence/home-summary.json" ], "findingIds": [ "F18" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "No permission prompt fired on load; authentication is linked rather than forced during the audited public journey.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "The main response had neither frame-ancestors/X-Frame-Options nor Referrer-Policy or Permissions-Policy.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "findingIds": [ "F17" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Discoverability measured 87% raw-HTML content coverage on home and 90% on M365; both retain title, H1 and description without JS.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-rendered.png", "evidence/home-discoverability-crawler.png", "evidence/m365-mobile.png", "evidence/m365-discoverability.json" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Representative home, listing, M365 and AI pages rendered usable mobile layouts with no clipping observed.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/listing-mobile.png", "evidence/listing-dom.json", "evidence/m365-mobile.png", "evidence/m365-discoverability.json", "evidence/ai-mobile.png", "evidence/ai-dom.json" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "Recon found no web app manifest, while the surface includes account, cart, assistant and shopping flows; no offline fallback was exposed.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json" ], "findingIds": [ "F19" ] }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "The product archetype was replaced by a generic high-demand page with no retry, stale product content, or alternate route.", "pathIds": [ "product" ], "artifacts": [ "evidence/product-mobile.png", "evidence/product-dom.json" ], "findingIds": [ "F20" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "The document correctly declares lang=en-GB, but the rendered stylesheet probe found zero margin-inline, padding-inline, inset-inline, or inline-size matches.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-probe.json" ], "findingIds": [ "F21" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "en-GB pages use localized copy and the listing renders UK-market currency/content consistently.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-dom.json" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Representative-path DOM and interaction inventory.", "evidence": "No date/time or cross-time-zone event data appeared in the representative paths.", "reason": "No date/time or cross-time-zone event data appeared in the representative paths." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Consent screenshot presents Accept, Reject and Manage cookies as equal-size adjacent actions; no confirmshaming was observed.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "The exercised search control uses a labelled native search input; no premature validation or blaming error copy appeared.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/search-flow.json" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "The only audited user input is a clearly named native search field; address/payment/profile data was not requested on these paths.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/search-flow.json" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Visible shopping cards show direct Shop now/price-oriented routes and no forced sign-in, continuity or hidden consent in the exercised listing.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/listing-mobile.png", "evidence/listing-dom.json" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "The image audit found 3 oversized images, 16 images without responsive sources, no detected modern-format images, and one legacy PNG; all 26 omitted intrinsic dimensions.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "HAR captured 197 requests, 140 scripts and 3.01 MB, while Lighthouse estimated 432 KiB unused JS and 241 KiB unused CSS.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F23" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Direct browser evidence and artifact review against consulted guidance.", "evidence": "Third-party origins accounted for 49 requests and 1.18 MB, including consent, UHF and analytics resources.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trackers.json", "evidence/home-summary.json" ], "findingIds": [ "F24" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "Representative-path DOM and interaction inventory.", "evidence": "The public marketing/store pages expose no declared agent-facing transaction surface; this emerging capability is out of scope for this run.", "reason": "The public marketing/store pages expose no declared agent-facing transaction surface; this emerging capability is out of scope for this run." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Representative-path DOM and interaction inventory.", "evidence": "No on-device inference task is part of the audited public marketing and shopping journeys.", "reason": "No on-device inference task is part of the audited public marketing and shopping journeys." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "After ten end-to-end scroll cycles, heap rose from 48.67 MB to 50.47 MB (3.7%) while lazy content was first realized; no unbounded pattern was established in this bounded repetition.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post-valid.json" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Baseline heap was 48.67 MB with 699,160 nodes, proportionate to a media-rich commerce homepage.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post-valid.json" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "high", "method": "Representative-path screenshot, DOM, Lighthouse or active browser probe.", "evidence": "Baseline/post heap summaries contain no Detached* constructor among retained top constructors; ten scroll cycles did not establish accumulating listener/timer growth.", "pathIds": [ "home", "listing", "m365", "ai" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post-valid.json" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F01" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F02" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "pass" }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F03" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F04" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "issues", "findingIds": [ "F05", "F06" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F07", "F08", "F09", "F10" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F11" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F12", "F13", "F14" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F15" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F16", "F18", "F17" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F19", "F20" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "issues", "findingIds": [ "F21" ] }, { "principleId": "be-trustworthy", "expectation": "default", "status": "pass" }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F22", "F23", "F24" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "The public marketing/store pages expose no declared agent-facing transaction surface; this emerging capability is out of scope for this run. No on-device inference task is part of the audited public marketing and shopping journeys." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "home", "description": "Homepage and global chrome; represents primary discovery, consent, navigation and content-card template.", "url": "https://www.microsoft.com/en-gb", "conditions": [ "desktop", "viewport: 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "cold load", "JavaScript disabled" ], "result": "issues" }, { "id": "listing", "description": "Store deals listing; represents commerce/category cards, pricing and FAQ content.", "url": "https://www.microsoft.com/en-gb/store/b/sale", "conditions": [ "viewport: 360x800" ], "result": "issues" }, { "id": "product", "description": "Surface Laptop detail; represents the prominent product-detail and purchase journey.", "url": "https://www.microsoft.com/en-gb/surface/devices/surface-laptop", "conditions": [ "viewport: 360x800" ], "result": "failed" }, { "id": "m365", "description": "Microsoft 365 landing page; represents subscription/product-family marketing and no-JS content.", "url": "https://www.microsoft.com/en-gb/microsoft-365", "conditions": [ "viewport: 360x800", "JavaScript disabled" ], "result": "pass" }, { "id": "ai", "description": "Microsoft AI category; represents an editorial/business-solution landing template.", "url": "https://www.microsoft.com/en-gb/ai", "conditions": [ "viewport: 360x800" ], "result": "pass" }, { "id": "search", "description": "Global search opening and input; represents the primary inline form control.", "url": "https://www.microsoft.com/en-gb", "conditions": [ "keyboard/focusable native control" ], "result": "pass" } ], "findings": [ { "id": "F01", "severity": "medium", "confidence": "high", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "summary": "The site ignores the user’s dark-colour preference.", "evidence": "Under emulated prefers-color-scheme: dark, the page reports color-scheme: normal and keeps body background rgb(255,255,255); the dark screenshot remains light.", "suggestedFix": "Declare color-scheme: light dark and supply preference-driven surface/text tokens, using light-dark() or a prefers-color-scheme query.", "effort": "small", "artifacts": [ "evidence/home-dark.png", "evidence/preferences-probe.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F02", "severity": "low", "confidence": "high", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "cross-document-transitions", "summary": "Page and state navigation has no View Transition treatment.", "evidence": "The rendered CSS probe found zero view-transition rules across the home page, while navigation is a core part of this multi-page site.", "suggestedFix": "Add cross-document View Transitions for same-origin template navigation, with reduced-motion fallbacks.", "effort": "medium", "artifacts": [ "evidence/platform-probe.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F03", "severity": "medium", "confidence": "high", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "summary": "The optional-cookie notice consumes substantial space before the main content.", "evidence": "Desktop and mobile load screenshots show the cookie notice before the global header and hero, occupying roughly 300 px desktop and 215 px mobile.", "suggestedFix": "Use a compact, non-obscuring consent surface with equal Accept/Reject actions and persist the choice.", "effort": "small", "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F04", "severity": "low", "confidence": "high", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "summary": "Components rely on viewport adaptation rather than container-aware reuse.", "evidence": "The CSS probe found zero @container rules across the rendered homepage; the page has repeated card components used in several widths.", "suggestedFix": "Give reusable card groups containment and adapt card composition with size container queries.", "effort": "medium", "artifacts": [ "evidence/platform-probe.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F05", "severity": "high", "confidence": "high", "principleId": "support-core-task-success", "principleCheckId": "primary-flow-completion", "guidanceId": "forms", "summary": "A prominent Surface shopping path dead-ends on a demand error.", "evidence": "The representative Surface Laptop product URL returned “Thank you for your patience… high demand” instead of product details or purchase actions.", "suggestedFix": "Restore the product route and provide a reliable cached or alternate product-detail path when the upstream is overloaded.", "effort": "large", "artifacts": [ "evidence/product-mobile.png", "evidence/product-dom.json" ], "pathId": "product", "url": "https://www.microsoft.com/en-gb/surface/devices/surface-laptop" }, { "id": "F06", "severity": "medium", "confidence": "high", "principleId": "support-core-task-success", "principleCheckId": "clear-system-state-and-recovery", "guidanceId": "persistent-toast-notifications", "summary": "The product-route failure offers no actionable recovery.", "evidence": "The failure page says “wait and try again later” but provides no retry control, status link, product-list fallback, or way back to the relevant Surface category.", "suggestedFix": "Add Retry, product-list, support/status, and back-navigation actions while preserving the user’s context.", "effort": "small", "artifacts": [ "evidence/product-mobile.png", "evidence/product-dom.json" ], "pathId": "product", "url": "https://www.microsoft.com/en-gb/surface/devices/surface-laptop" }, { "id": "F07", "severity": "high", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "summary": "Cold-load performance misses the Core Web Vitals bar.", "evidence": "Lighthouse measured LCP 17.2 s, TBT 405 ms, Speed Index 11.0 s, and interactive at 25.6 s; the independent trace measured LCP 2.83 s and 61 ms TBT, showing substantial run-to-run load sensitivity.", "suggestedFix": "Prioritise the LCP asset, reduce critical request chains, and defer non-essential scripts; remeasure under controlled mobile throttling.", "effort": "large", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F08", "severity": "high", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-main-thread", "guidanceId": "break-up-long-tasks", "summary": "Main-thread work delays readiness.", "evidence": "Lighthouse measured 405 ms TBT; the trace recorded two long tasks, including one 111 ms task.", "suggestedFix": "Break up long tasks, schedule non-critical work by priority, and defer analytics/store-assistant initialization.", "effort": "medium", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F09", "severity": "high", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-script-priority", "summary": "The homepage has a large, script-heavy critical load.", "evidence": "HAR captured 197 requests and 3.01 MB transferred, including 140 scripts (1.74 MB) and multiple VeryHigh-priority parser-inserted stylesheets.", "suggestedFix": "Consolidate critical CSS, defer non-critical bundles, remove redirects, and audit preload/script priorities around the LCP.", "effort": "large", "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F10", "severity": "medium", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "summary": "The page ships substantial unused JavaScript and CSS.", "evidence": "Lighthouse estimated 432 KiB unused JavaScript and 241 KiB unused CSS; one store-assistant bundle wasted about 327 KiB and a UHF stylesheet was 98% unused.", "suggestedFix": "Code-split the store assistant, conditionally load it after intent, and produce template-specific CSS bundles.", "effort": "large", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F11", "severity": "medium", "confidence": "high", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "summary": "Some rendered images lack text alternatives.", "evidence": "The image audit found 7 of 26 images without alt text, including a visible Azure AI content-card image; Lighthouse’s sampled load still scored automated accessibility at 1.0.", "suggestedFix": "Give meaningful linked/content images concise alt text and explicit empty alt for decorative images.", "effort": "small", "artifacts": [ "evidence/home-images.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F12", "severity": "medium", "confidence": "high", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "summary": "The homepage emits runtime and network errors.", "evidence": "Lighthouse captured a ReimagineTelemetry ReferenceError, a querySelectorAllDeep TypeError, and two missing font resources (404).", "suggestedFix": "Fix initialization ordering, remove the undefined deep-query dependency, and correct or remove the missing font URLs.", "effort": "medium", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F13", "severity": "medium", "confidence": "high", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "optimize-image-priority", "summary": "Images omit intrinsic dimensions.", "evidence": "The image audit found all 26 img elements lacked width and height attributes, with 3 oversized images and 16 lacking srcset; observed CLS happened to remain low in this run.", "suggestedFix": "Emit width/height or aspect-ratio for every image and responsive srcset/sizes for raster content.", "effort": "medium", "artifacts": [ "evidence/home-images.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F14", "severity": "low", "confidence": "high", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "summary": "An unload handler blocks the back/forward cache.", "evidence": "Lighthouse’s BFCache audit reports UnloadHandlerExistsInMainFrame.", "suggestedFix": "Replace unload work with pagehide/visibilitychange where needed and verify BFCache restoration.", "effort": "small", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F15", "severity": "low", "confidence": "high", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "summary": "The organisation homepage lacks structured entity metadata.", "evidence": "The metadata probe found zero JSON-LD blocks. Open Graph title, description, URL and type are present, and raw-HTML discoverability is strong.", "suggestedFix": "Add accurate Organization/WebSite JSON-LD matching the visible brand and canonical URL.", "effort": "small", "artifacts": [ "evidence/platform-probe.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F16", "severity": "high", "confidence": "high", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "summary": "Core browser security headers and cookie protections are incomplete.", "evidence": "Header inspection found no CSP or X-Content-Type-Options; cookie inspection found ak_bmsc and bStore without Secure and all three sampled cookies using SameSite=None. HSTS is present.", "suggestedFix": "Deploy an enforcing CSP, nosniff, and Secure cookies with the narrowest viable SameSite policy.", "effort": "medium", "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F17", "severity": "high", "confidence": "high", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "summary": "Clickjacking, referrer, and permissions defenses are absent on the main response.", "evidence": "The main response had neither frame-ancestors/X-Frame-Options nor Referrer-Policy or Permissions-Policy.", "suggestedFix": "Add frame-ancestors, a strict referrer policy, and a least-privilege Permissions-Policy; evaluate Trusted Types for the script-heavy surface.", "effort": "medium", "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F18", "severity": "medium", "confidence": "high", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "summary": "The default load has a broad analytics and third-party footprint.", "evidence": "Tracker evidence found 11 third-party origins and active Microsoft Clarity endpoints; HAR attributes 49 requests and 1.18 MB to third-party origins before consent interaction.", "suggestedFix": "Gate optional analytics until consent, reduce third-party origins, and batch/minimise telemetry.", "effort": "medium", "artifacts": [ "evidence/home-trackers.json", "evidence/home-summary.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F19", "severity": "medium", "confidence": "high", "principleId": "be-resilient", "principleCheckId": "offline-and-installable", "guidanceId": "stabilize-reactive-state", "summary": "The app-like commerce experience has no install/offline declaration.", "evidence": "Recon found no web app manifest, while the surface includes account, cart, assistant and shopping flows; no offline fallback was exposed.", "suggestedFix": "Provide a manifest and a lightweight service-worker fallback for navigation and saved shopping context.", "effort": "medium", "artifacts": [ "evidence/platform-probe.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F20", "severity": "medium", "confidence": "high", "principleId": "be-resilient", "principleCheckId": "network-and-http-failure-states", "guidanceId": "persistent-toast-notifications", "summary": "Network/upstream failure handling degrades to a generic dead end.", "evidence": "The product archetype was replaced by a generic high-demand page with no retry, stale product content, or alternate route.", "suggestedFix": "Serve cached product details and explicit retry/category recovery when origin capacity fails.", "effort": "medium", "artifacts": [ "evidence/product-mobile.png", "evidence/product-dom.json" ], "pathId": "product", "url": "https://www.microsoft.com/en-gb/surface/devices/surface-laptop" }, { "id": "F21", "severity": "low", "confidence": "high", "principleId": "be-internationalised", "principleCheckId": "lang-dir-and-logical-properties", "guidanceId": "translator", "summary": "The localized homepage does not use logical CSS properties in inspected styles.", "evidence": "The document correctly declares lang=en-GB, but the rendered stylesheet probe found zero margin-inline, padding-inline, inset-inline, or inline-size matches.", "suggestedFix": "Migrate layout-critical physical left/right properties to logical inline/block properties and test RTL locales.", "effort": "medium", "artifacts": [ "evidence/platform-probe.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F22", "severity": "medium", "confidence": "high", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "summary": "Image delivery is not consistently resource-efficient.", "evidence": "The image audit found 3 oversized images, 16 images without responsive sources, no detected modern-format images, and one legacy PNG; all 26 omitted intrinsic dimensions.", "suggestedFix": "Serve AVIF/WebP where appropriate with srcset/sizes and right-size decorative images.", "effort": "medium", "artifacts": [ "evidence/home-images.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F23", "severity": "high", "confidence": "high", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "efficient-background-processing", "summary": "The default page load performs disproportionate work.", "evidence": "HAR captured 197 requests, 140 scripts and 3.01 MB, while Lighthouse estimated 432 KiB unused JS and 241 KiB unused CSS.", "suggestedFix": "Conditionally load commerce assistant and telemetry code after user intent; remove unused template CSS and duplicate runtime work.", "effort": "large", "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" }, { "id": "F24", "severity": "medium", "confidence": "high", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "summary": "Third-party resources consume a large share of the initial budget.", "evidence": "Third-party origins accounted for 49 requests and 1.18 MB, including consent, UHF and analytics resources.", "suggestedFix": "Set a third-party byte/request budget, defer optional vendors until consent or intent, and self-host stable critical assets where appropriate.", "effort": "medium", "artifacts": [ "evidence/home-trackers.json", "evidence/home-summary.json" ], "pathId": "home", "url": "https://www.microsoft.com/en-gb" } ], "taskList": [ { "id": "T01", "title": "Reduce and reprioritise the script/CSS/network payload", "priority": 1, "findingIds": [ "F07", "F08", "F09", "F10", "F23", "F24" ], "guidanceId": "identify-heavy-scripts", "status": "open" }, { "id": "T02", "title": "Restore the product journey and add actionable failure recovery", "priority": 2, "findingIds": [ "F05", "F06", "F20" ], "guidanceId": "persistent-toast-notifications", "status": "open" }, { "id": "T03", "title": "Deploy missing browser security policies and secure cookie attributes", "priority": 3, "findingIds": [ "F16", "F17" ], "guidanceId": "security", "status": "open" }, { "id": "T04", "title": "Gate and minimise optional analytics/third parties", "priority": 4, "findingIds": [ "F18", "F24" ], "guidanceId": "privacy", "status": "open" }, { "id": "T05", "title": "Build a responsive, dimensioned modern-image pipeline", "priority": 5, "findingIds": [ "F11", "F13", "F22" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T06", "title": "Add a preference-driven dark theme", "priority": 6, "findingIds": [ "F01" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T07", "title": "Fix console errors and restore BFCache eligibility", "priority": 7, "findingIds": [ "F12", "F14" ], "guidanceId": "html", "status": "open" }, { "id": "T08", "title": "Make the consent notice compact and content-first", "priority": 8, "findingIds": [ "F03" ], "guidanceId": "light-dismiss-a-dialog", "status": "open" }, { "id": "T09", "title": "Adopt container queries and logical properties in reusable components", "priority": 9, "findingIds": [ "F04", "F21" ], "guidanceId": "size-aware-styling", "status": "open" }, { "id": "T10", "title": "Add structured Organization/WebSite metadata", "priority": 10, "findingIds": [ "F15" ], "guidanceId": "html", "status": "open" }, { "id": "T11", "title": "Add app manifest and resilient offline navigation fallback", "priority": 11, "findingIds": [ "F19" ], "guidanceId": "stabilize-reactive-state", "status": "open" }, { "id": "T12", "title": "Use cross-document transitions for same-origin navigation", "priority": 12, "findingIds": [ "F02" ], "guidanceId": "cross-document-transitions", "status": "open" } ], "budget": { "wallClockSeconds": 900, "pathCount": 6, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-22T11-30-33-723Z" }