{ "url": "https://m.shein.com", "auditedAt": "2026-07-28T12:32:37.309Z", "mode": "report", "status": "partial", "statusDetail": "Homepage audited; listing, search, forms, account and checkout states were blocked by SHEIN risk CAPTCHA. 50/58 checks judged; 8 blocked.", "page": { "appType": "hybrid", "framework": "unknown bundled PWA", "notes": "m.shein.com redirects to the UK mobile PWA. Homepage accessible; deeper public routes trigger risk challenge." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "layout-metrics", "performance-trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "lighthouse" ], "guidanceConsulted": [ "accessibility", "accessible-error-announcement", "adapt-scrollbar-to-contrast-preferences", "agentic-forms", "agentic-javascript-tools", "anchor-positioning-tab-underline", "animated-select-picker", "animate-element-entry-exit", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "apply-webgl-shaders", "autofill-address-form", "autofill-highlight-inputs", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "batch-analytics-events", "brand-consistent-forms", "branded-select-styling", "break-up-long-tasks", "calculate-event-differentials", "calculate-total-foreground-time", "calculate-with-intrinsic-sizes", "capture-location-agnostic-data", "carousel-slide-effects", "carousel-snap-highlights", "child-state-based-styling", "complex-shapes", "component-specific-light-dark-theme", "conditional-async-dependencies", "consistent-cross-document-transitions", "content-based-styling", "coordinate-global-events", "cross-document-transitions", "css", "css-layout", "customize-scrollbar-color-and-thickness", "custom-select-picker-layouts", "dark-mode", "declarative-dialog-popover-control", "defer-rendering-heavy-content", "defer-work-until-scroll-ends", "deliver-optimized-decorative-images", "deprioritize-background-fetches", "design-token-reactivity", "detect-initial-visibility-state", "directional-navigation-transitions", "dynamic-sibling-animations", "dynamic-sibling-styling", "efficient-background-processing", "export-html-media-from-canvas", "expose-canvas-content-to-browser-features", "faster-spa-view-transitions", "flicker-free-client-side-ab-testing", "fluid-scaling", "format-human-readable-durations", "form-fields-automatically-fit-contents", "forms", "full-session-analytics", "group-element-transitions", "highlight-text-ranges", "html", "identify-heavy-scripts", "identify-inp-causes", "improve-next-page-load-performance", "improve-text-layout-and-legibility", "individual-transform-properties", "interactions-in-complex-layouts", "interactive-content-in-3d-scenes", "interactive-content-reveal", "interest-triggered-action-previews", "interest-triggered-tooltips", "language-detection", "language-model", "light-dismiss-a-dialog", "manage-recurring-intervals", "model-partial-time-concepts", "move-dom-element-without-losing-state", "navigation-drawer", "optimize-image-priority", "optimize-preload-priority", "optimize-script-priority", "overflow-clipping-control", "parallax-scroll-effects", "passkey-authentication", "passkey-conditional-create", "passkey-management", "passkey-reauthentication", "passkey-registration", "passkeys", "performance", "persistent-app-tours", "persistent-toast-notifications", "persistent-top-layer-ui", "physics-based-easing", "platform-controls-dismiss-dialog", "position-aware-tooltips", "precise-text-alignment", "prevent-text-wrapping", "privacy", "pull-to-reveal", "reduce-style-repetition", "required-field-feedback", "resilient-context-menus-and-nested-dropdowns", "resolution-optimized-pseudo-elements", "rich-media-picker", "same-document-transitions", "schedule-tasks-by-priority", "scrollability-affordance-hints", "scroll-entry-exit-effects", "scroll-position-aware-elements", "scroll-progress-indicator", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "scrollytelling", "search-hidden-content", "security", "select-menu-interaction", "sequence-distributed-events", "shaped-cutouts", "shrinking-header-on-scroll", "size-aware-styling", "soft-edge-content-fade", "stabilize-reactive-state", "stack-drill-down", "style-parent-with-has", "summarizer", "support-global-calendar-systems", "swipe-to-remove", "translator", "validate-input-after-interaction", "visually-stable-font-fallbacks", "visually-stable-mixed-fonts", "visually-texture-content", "webmcp" ], "artifacts": [ { "type": "heap", "path": "evidence/heap-baseline.json", "caption": "heap baseline", "findingIds": [ "F31" ] }, { "type": "heap", "path": "evidence/heap-post.json", "caption": "heap post", "findingIds": [] }, { "type": "other", "path": "evidence/home-cookies.json", "caption": "home cookies", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark", "condition": "prefers-color-scheme: dark", "findingIds": [ "F01" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "home discoverability crawler", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "home discoverability rendered", "findingIds": [] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "home discoverability", "findingIds": [ "F21", "F25" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom", "findingIds": [ "F03" ] }, { "type": "other", "path": "evidence/home-headers.json", "caption": "home headers", "findingIds": [ "F22", "F24" ] }, { "type": "other", "path": "evidence/home-images.json", "caption": "home images", "findingIds": [ "F10", "F14", "F17", "F19", "F27" ] }, { "type": "layout", "path": "evidence/home-layout.json", "caption": "home layout", "findingIds": [] }, { "type": "lighthouse", "path": "evidence/home-lighthouse-summary.json", "caption": "home lighthouse summary", "findingIds": [ "F18" ] }, { "type": "lighthouse", "path": "evidence/home-lighthouse.json", "caption": "home lighthouse", "findingIds": [ "F02", "F13", "F15", "F20" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile", "condition": "viewport: 390x844", "findingIds": [ "F04", "F05", "F07", "F26" ] }, { "type": "other", "path": "evidence/home-probes.json", "caption": "home probes", "findingIds": [ "F06", "F08", "F16", "F30" ] }, { "type": "other", "path": "evidence/home-secrets.json", "caption": "home secrets", "findingIds": [] }, { "type": "other", "path": "evidence/home-summary.json", "caption": "home summary", "findingIds": [ "F12", "F23", "F29" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary", "findingIds": [ "F09", "F11", "F28" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "home trace", "findingIds": [] }, { "type": "other", "path": "evidence/home-trackers.json", "caption": "home trackers", "findingIds": [] }, { "type": "har", "path": "evidence/home.har", "caption": "home", "findingIds": [] }, { "type": "lighthouse", "path": "evidence/lighthouse-details.json", "caption": "lighthouse details", "findingIds": [] }, { "type": "other", "path": "evidence/links-after-consent.json", "caption": "links after consent", "findingIds": [] }, { "type": "other", "path": "evidence/listing-alt-recon.json", "caption": "listing alt recon", "findingIds": [] }, { "type": "screenshot", "path": "evidence/listing-mobile.png", "caption": "listing mobile", "condition": "viewport: 390x844", "findingIds": [] }, { "type": "other", "path": "evidence/listing-recon.json", "caption": "listing recon", "findingIds": [] }, { "type": "other", "path": "evidence/recon.json", "caption": "recon", "findingIds": [] }, { "type": "other", "path": "evidence/runtime-metrics.json", "caption": "runtime metrics", "findingIds": [] }, { "type": "screenshot", "path": "evidence/search-mobile.png", "caption": "search mobile", "condition": "viewport: 390x844", "findingIds": [] }, { "type": "other", "path": "evidence/search-recon.json", "caption": "search recon", "findingIds": [] } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 50, "blocked": 8, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": false }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The dark-emulated screenshot remains white and turquoise, and computed color-scheme is normal.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "Under prefers-reduced-motion: reduce the page reported zero active Web Animations.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Lighthouse found two failing color-contrast nodes on the homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-lighthouse.json" ], "findingIds": [ "F02" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "DOM and interaction inspection found no evidence that navigation or major state changes use View Transitions.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ], "findingIds": [ "F03" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "No scroll-driven motion or costly scroll animation was observed on the accessible homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "Horizontal category browsing remained touch-friendly and no gesture trap was observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "The compact mobile header remains available without horizontal overflow.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The visible consent overlay uses neither dialog/popover nor anchor-positioning primitives.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ], "findingIds": [ "F04" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "The first viewport clearly cues category navigation and product imagery.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The load screenshot shows a consent panel covering roughly the lower 44% of the 390x844 viewport before interaction.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ], "findingIds": [ "F05" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The panel is visually modal, but the DOM probe reports zero dialog roles, dialog elements, and popovers.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ], "findingIds": [ "F06" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The first viewport combines a coupon strip, dense dual navigation, promotional hero, shipping strip, and a large consent panel.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ], "findingIds": [ "F07" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "Layout reported scrollWidth 390px and 0px horizontal overflow at a 390px viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-layout.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "CSSOM inspection found zero @container rules on a component-rich responsive retail homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ], "findingIds": [ "F08" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "Programmatic focus on the first control produced a 2px outline plus visible box-shadow rings.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "Brand, categories, shopping navigation, prices and products make the retail purpose clear.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "blocked", "confidence": "high", "method": "Attempted representative listing/search or account/form journey over raw CDP.", "evidence": "The attempted category and search paths redirected to SHEIN risk challenge captcha_type=909, preventing interaction with this state.", "reason": "External anti-bot CAPTCHA blocked the representative journey.", "pathIds": [ "listing", "search" ], "artifacts": [ "evidence/listing-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "blocked", "confidence": "high", "method": "Attempted representative listing/search or account/form journey over raw CDP.", "evidence": "The attempted category and search paths redirected to SHEIN risk challenge captcha_type=909, preventing interaction with this state.", "reason": "External anti-bot CAPTCHA blocked the representative journey.", "pathIds": [ "listing", "search" ], "artifacts": [ "evidence/listing-mobile.png" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Trace measured FCP 3.78s, LCP 3.91s and 959ms TBT; Lighthouse measured LCP 5.67s and 1,407ms TBT.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json" ], "findingIds": [ "F09" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The image audit found all 51 images lacked width and height attributes; Lighthouse CLS was 0.070, below poor but exposed to shift risk.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json" ], "findingIds": [ "F10" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The trace found seven long tasks, a 679ms longest task, and 959ms total blocking time.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "HAR recorded 211 requests and 3.43MB transferred, including 137 scripts and 2.81MB of script transfer.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json" ], "findingIds": [ "F12" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Lighthouse estimated 1,304KiB of unused JavaScript on the observed homepage load.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-lighthouse.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Image audit found 14 images without alt; the rendered page has no h1 and only a header landmark.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Lighthouse accessibility found two color-contrast failures.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-lighthouse.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The DOM probe found no h1, h2, h3, main, nav, or footer elements; only header was present.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "Mobile screenshot shows readable body text and labels at the tested viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The mobile layout had no horizontal overflow and Lighthouse target-size passed, but 14 of 51 images lacked alt text.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json" ], "findingIds": [ "F17" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Lighthouse captured a Google identity AbortError and a not-signed-in error during load.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-lighthouse-summary.json" ], "findingIds": [ "F18" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The document has a valid doctype and charset, but all 51 inspected images omit width and height.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json" ], "findingIds": [ "F19" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Lighthouse reported deprecated API use, DevTools inspector issues, and four bfcache blockers.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-lighthouse.json" ], "findingIds": [ "F20" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "A descriptive title and detailed meta description are present in raw and rendered HTML.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Discoverability found only 25% raw/rendered word coverage, and the DOM probe found 34 of 61 anchors use javascript: URLs.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json" ], "findingIds": [ "F21" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "A canonical URL, 138 hreflang links, robots.txt and a 200 raw response were observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "The page includes one JSON-LD block and six Open Graph tags.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "HTTPS, HSTS, and nosniff are present, but CSP only declares frame-ancestors, Permissions-Policy is absent, and Referrer-Policy is no-referrer-when-downgrade.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "HAR classified 208 of 211 requests and 3.43MB as cross-origin relative to m.shein.com; tracker probe saw 14 third-party origins.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json" ], "findingIds": [ "F23" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "blocked", "confidence": "high", "method": "Attempted representative listing/search or account/form journey over raw CDP.", "evidence": "The attempted category and search paths redirected to SHEIN risk challenge captcha_type=909, preventing interaction with this state.", "reason": "External anti-bot CAPTCHA blocked the representative journey.", "pathIds": [ "listing", "search" ], "artifacts": [ "evidence/listing-mobile.png" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Headers show HSTS and frame restrictions, but no Permissions-Policy and a CSP limited to frame-ancestors.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json" ], "findingIds": [ "F24" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The raw HTML contains only 25% of rendered content words; crawler and browser screenshots differ substantially.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json" ], "findingIds": [ "F25" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "blocked", "confidence": "high", "method": "Attempted representative listing/search or account/form journey over raw CDP.", "evidence": "The attempted category and search paths redirected to SHEIN risk challenge captcha_type=909, preventing interaction with this state.", "reason": "External anti-bot CAPTCHA blocked the representative journey.", "pathIds": [ "listing", "search" ], "artifacts": [ "evidence/listing-mobile.png" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "A manifest URL and active service worker controller were observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ] }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "blocked", "confidence": "high", "method": "Attempted representative listing/search or account/form journey over raw CDP.", "evidence": "The attempted category and search paths redirected to SHEIN risk challenge captcha_type=909, preventing interaction with this state.", "reason": "External anti-bot CAPTCHA blocked the representative journey.", "pathIds": [ "listing", "search" ], "artifacts": [ "evidence/listing-mobile.png" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "The rendered document declares html lang=en; no bidi conflict was visible.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "Prices render with the UK pound symbol and the redirected UK locale is internally consistent.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "medium", "method": "Recon of visible concepts and available journeys.", "evidence": "No event times, appointments, or other time-zone-sensitive concepts were exposed on the accessible homepage.", "reason": "No event times, appointments, or other time-zone-sensitive concepts were exposed on the accessible homepage.", "pathIds": [ "home" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The first content announces a 50% coupon with coupons confirmed only after login before users reach products.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ], "findingIds": [ "F26" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "blocked", "confidence": "high", "method": "Attempted representative listing/search or account/form journey over raw CDP.", "evidence": "The attempted category and search paths redirected to SHEIN risk challenge captcha_type=909, preventing interaction with this state.", "reason": "External anti-bot CAPTCHA blocked the representative journey.", "pathIds": [ "listing", "search" ], "artifacts": [ "evidence/listing-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "blocked", "confidence": "high", "method": "Attempted representative listing/search or account/form journey over raw CDP.", "evidence": "The attempted category and search paths redirected to SHEIN risk challenge captcha_type=909, preventing interaction with this state.", "reason": "External anti-bot CAPTCHA blocked the representative journey.", "pathIds": [ "listing", "search" ], "artifacts": [ "evidence/listing-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "blocked", "confidence": "high", "method": "Attempted representative listing/search or account/form journey over raw CDP.", "evidence": "The attempted category and search paths redirected to SHEIN risk challenge captcha_type=909, preventing interaction with this state.", "reason": "External anti-bot CAPTCHA blocked the representative journey.", "pathIds": [ "listing", "search" ], "artifacts": [ "evidence/listing-mobile.png" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Image audit found 51 missing dimensions, 39 below-fold images not lazy-loaded, and 10 without responsive sources; HAR transferred 3.43MB.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json" ], "findingIds": [ "F27" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "The page loads 137 scripts and trace records seven long tasks with 959ms blocking time before a user journey begins.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json" ], "findingIds": [ "F28" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "HAR reports 3.43MB cross-origin transfer, with the largest script origin contributing 2.69MB.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json" ], "findingIds": [ "F29" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Probe found no WebMCP surface; the accessibility tree audit failed and many links depend on javascript: URLs.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probes.json" ], "findingIds": [ "F30" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "medium", "method": "Recon of visible concepts and available journeys.", "evidence": "The retail journey exposes no summarisation or generation feature for which on-device inference is currently applicable.", "reason": "The retail journey exposes no summarisation or generation feature for which on-device inference is currently applicable.", "pathIds": [ "home" ] }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "After ten bounded menu/scroll interactions, heap self size was 106.4MB versus 103.8MB baseline (2.5% growth), not clear monotonic leak evidence.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-post.json" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "high", "method": "Active visual, DOM, network, performance, Lighthouse, or heap evidence as cited.", "evidence": "Baseline heap summary contained 1,200,901 nodes and 103.8MB self size for the initial mobile homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json" ], "findingIds": [ "F31" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "Visual inspection plus targeted DOM/evaluate probe on the accessible homepage.", "evidence": "Neither baseline nor post-interaction top constructor summaries contained Detached* constructors; no unbounded accumulation was demonstrated.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-post.json" ] } ], "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": "issues", "findingIds": [ "F04" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F05", "F06", "F07" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F08" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "incomplete", "reason": "One or more representative journeys were blocked by SHEIN anti-bot CAPTCHA." }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F09", "F10", "F11", "F12", "F13" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F14", "F15", "F16", "F17" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F18", "F19", "F20" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F21" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F22", "F23", "F24" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F25" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F26" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F27", "F28", "F29" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "F30" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F31" ] } ], "paths": [ { "id": "home", "description": "Mobile homepage and consent state; represents entry, navigation, promotion and product-discovery surface.", "url": "https://m.shein.com", "conditions": [ "390x844", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "keyboard focus", "no-JS crawler" ], "result": "issues" }, { "id": "listing", "description": "Women Dresses category listing; representative listing template. Blocked by SHEIN risk CAPTCHA.", "url": "https://m.shein.co.uk/Women-Dresses-c-12472.html", "conditions": [ "390x844" ], "result": "failed" }, { "id": "search", "description": "Dress search results; representative search journey. Blocked by SHEIN risk CAPTCHA.", "url": "https://m.shein.co.uk/pdsearch/dress/", "conditions": [ "390x844" ], "result": "failed" } ], "findings": [ { "id": "F01", "pathId": "home", "url": "https://m.shein.com", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Dark preference does not change the light interface", "evidence": "The dark-emulated screenshot remains white and turquoise, and computed color-scheme is normal.", "artifacts": [ "evidence/home-dark.png" ], "suggestedFix": "Declare color-scheme and provide preference-driven dark surface and text tokens.", "effort": "medium" }, { "id": "F02", "pathId": "home", "url": "https://m.shein.com", "principleId": "respect-user-preferences", "principleCheckId": "respects-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Some text fails contrast requirements", "evidence": "Lighthouse found two failing color-contrast nodes on the homepage.", "artifacts": [ "evidence/home-lighthouse.json" ], "suggestedFix": "Adjust foreground/background tokens to meet WCAG contrast in default and high-contrast conditions.", "effort": "medium" }, { "id": "F03", "pathId": "home", "url": "https://m.shein.com", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "user-experience", "severity": "low", "confidence": "high", "summary": "State changes lack continuity cues", "evidence": "DOM and interaction inspection found no evidence that navigation or major state changes use View Transitions.", "artifacts": [ "evidence/home-dom.json" ], "suggestedFix": "Use same-document or cross-document View Transitions for meaningful state changes, with reduced-motion handling.", "effort": "small" }, { "id": "F04", "pathId": "home", "url": "https://m.shein.com", "principleId": "provide-guided-navigation", "principleCheckId": "anchored-positioning", "guidanceId": "position-aware-tooltips", "guidanceCategory": "css", "severity": "low", "confidence": "high", "summary": "Overlay positioning is implemented without semantic anchored primitives", "evidence": "The visible consent overlay uses neither dialog/popover nor anchor-positioning primitives.", "artifacts": [ "evidence/home-mobile.png" ], "suggestedFix": "Use dialog/popover and anchor positioning where overlays relate to controls, retaining fallbacks.", "effort": "small" }, { "id": "F05", "pathId": "home", "url": "https://m.shein.com", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "avoid intrusive interstitial popup content first", "guidanceCategory": "user-experience", "severity": "high", "confidence": "high", "summary": "Consent panel obscures much of the first mobile viewport", "evidence": "The load screenshot shows a consent panel covering roughly the lower 44% of the 390x844 viewport before interaction.", "artifacts": [ "evidence/home-mobile.png" ], "suggestedFix": "Use a compact, non-blocking consent surface while preserving equally prominent Reject and Accept actions.", "effort": "large" }, { "id": "F06", "pathId": "home", "url": "https://m.shein.com", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "Consent overlay lacks dialog or popover semantics", "evidence": "The panel is visually modal, but the DOM probe reports zero dialog roles, dialog elements, and popovers.", "artifacts": [ "evidence/home-probes.json" ], "suggestedFix": "Implement the consent surface with dialog/popover semantics, labelled controls, focus management, and platform dismissal.", "effort": "medium" }, { "id": "F07", "pathId": "home", "url": "https://m.shein.com", "principleId": "maximize-content-reduce-noise", "principleCheckId": "reduced-chrome", "guidanceId": "improve-text-layout-and-legibility", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Promotional and consent chrome competes with shopping content", "evidence": "The first viewport combines a coupon strip, dense dual navigation, promotional hero, shipping strip, and a large consent panel.", "artifacts": [ "evidence/home-mobile.png" ], "suggestedFix": "Reduce simultaneous promotional chrome and preserve more of the first viewport for products and primary shopping actions.", "effort": "medium" }, { "id": "F08", "pathId": "home", "url": "https://m.shein.com", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "css", "severity": "low", "confidence": "high", "summary": "No component-query adaptation was detected", "evidence": "CSSOM inspection found zero @container rules on a component-rich responsive retail homepage.", "artifacts": [ "evidence/home-probes.json" ], "suggestedFix": "Adopt container queries for reusable product, navigation, and promotion components that appear in varied slots.", "effort": "small" }, { "id": "F09", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "identify-inp-causes", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Mobile loading and responsiveness are poor", "evidence": "Trace measured FCP 3.78s, LCP 3.91s and 959ms TBT; Lighthouse measured LCP 5.67s and 1,407ms TBT.", "artifacts": [ "evidence/home-trace-summary.json" ], "suggestedFix": "Prioritise LCP content, break up long tasks, and defer non-critical JavaScript.", "effort": "large" }, { "id": "F10", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-fast-and-stable", "principleCheckId": "visual-stability", "guidanceId": "visually-stable-font-fallbacks", "guidanceCategory": "performance", "severity": "medium", "confidence": "high", "summary": "Images do not reserve intrinsic space", "evidence": "The image audit found all 51 images lacked width and height attributes; Lighthouse CLS was 0.070, below poor but exposed to shift risk.", "artifacts": [ "evidence/home-images.json" ], "suggestedFix": "Set intrinsic width/height or aspect-ratio on every image and retain stable placeholders.", "effort": "medium" }, { "id": "F11", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-main-thread", "guidanceId": "break-up-long-tasks", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Large long tasks block the main thread", "evidence": "The trace found seven long tasks, a 679ms longest task, and 959ms total blocking time.", "artifacts": [ "evidence/home-trace-summary.json" ], "suggestedFix": "Split long tasks, schedule work by priority, and defer low-value hydration and analytics.", "effort": "large" }, { "id": "F12", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-script-priority", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "The homepage ships a large script-heavy request graph", "evidence": "HAR recorded 211 requests and 3.43MB transferred, including 137 scripts and 2.81MB of script transfer.", "artifacts": [ "evidence/home-summary.json" ], "suggestedFix": "Reduce startup requests, defer parser-inserted scripts, and prioritise only critical assets.", "effort": "large" }, { "id": "F13", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Substantial JavaScript is unused during initial load", "evidence": "Lighthouse estimated 1,304KiB of unused JavaScript on the observed homepage load.", "artifacts": [ "evidence/home-lighthouse.json" ], "suggestedFix": "Code-split by route and feature, remove duplicate/legacy bundles, and conditionally load optional dependencies.", "effort": "large" }, { "id": "F14", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Images and page regions lack accessible semantics", "evidence": "Image audit found 14 images without alt; the rendered page has no h1 and only a header landmark.", "artifacts": [ "evidence/home-images.json" ], "suggestedFix": "Provide meaningful alt text, a clear h1, semantic regions, and accessible names for all interactive controls.", "effort": "large" }, { "id": "F15", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Text contrast failures reduce legibility", "evidence": "Lighthouse accessibility found two color-contrast failures.", "artifacts": [ "evidence/home-lighthouse.json" ], "suggestedFix": "Update color tokens and verify text/control contrast in all preference modes.", "effort": "medium" }, { "id": "F16", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Heading and landmark structure is incomplete", "evidence": "The DOM probe found no h1, h2, h3, main, nav, or footer elements; only header was present.", "artifacts": [ "evidence/home-probes.json" ], "suggestedFix": "Add a logical heading hierarchy and semantic main/nav/footer landmarks while preserving visible focus.", "effort": "large" }, { "id": "F17", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Image alternatives are incomplete despite good mobile reflow", "evidence": "The mobile layout had no horizontal overflow and Lighthouse target-size passed, but 14 of 51 images lacked alt text.", "artifacts": [ "evidence/home-images.json" ], "suggestedFix": "Preserve the responsive viewport and target sizes, and add appropriate alt or empty alt to every image.", "effort": "medium" }, { "id": "F18", "pathId": "home", "url": "https://m.shein.com", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "avoid console errors uncaught exceptions", "guidanceCategory": "best-practices", "severity": "medium", "confidence": "high", "summary": "The homepage logs runtime errors", "evidence": "Lighthouse captured a Google identity AbortError and a not-signed-in error during load.", "artifacts": [ "evidence/home-lighthouse-summary.json" ], "suggestedFix": "Handle expected identity-provider cancellation without console errors and isolate optional auth startup.", "effort": "medium" }, { "id": "F19", "pathId": "home", "url": "https://m.shein.com", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "Asset markup omits intrinsic image dimensions", "evidence": "The document has a valid doctype and charset, but all 51 inspected images omit width and height.", "artifacts": [ "evidence/home-images.json" ], "suggestedFix": "Emit intrinsic image dimensions and responsive sources from the rendering pipeline.", "effort": "medium" }, { "id": "F20", "pathId": "home", "url": "https://m.shein.com", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "Deprecated APIs and browser lifecycle issues remain", "evidence": "Lighthouse reported deprecated API use, DevTools inspector issues, and four bfcache blockers.", "artifacts": [ "evidence/home-lighthouse.json" ], "suggestedFix": "Remove deprecated APIs, resolve inspector issues, and make unload/lifecycle code bfcache-safe.", "effort": "medium" }, { "id": "F21", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "seo", "severity": "high", "confidence": "high", "summary": "Much shopping content depends on JavaScript and many anchors are non-crawlable", "evidence": "Discoverability found only 25% raw/rendered word coverage, and the DOM probe found 34 of 61 anchors use javascript: URLs.", "artifacts": [ "evidence/home-discoverability.json" ], "suggestedFix": "Render primary category/product content in HTML and use real href destinations for navigation.", "effort": "large" }, { "id": "F22", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "severity": "medium", "confidence": "high", "summary": "CSP and response policies are incomplete", "evidence": "HTTPS, HSTS, and nosniff are present, but CSP only declares frame-ancestors, Permissions-Policy is absent, and Referrer-Policy is no-referrer-when-downgrade.", "artifacts": [ "evidence/home-headers.json" ], "suggestedFix": "Deploy a restrictive script/style CSP, Permissions-Policy, and strict-origin-when-cross-origin or stricter referrer policy.", "effort": "medium" }, { "id": "F23", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "privacy", "severity": "high", "confidence": "high", "summary": "The initial page has a very large cross-origin footprint", "evidence": "HAR classified 208 of 211 requests and 3.43MB as cross-origin relative to m.shein.com; tracker probe saw 14 third-party origins.", "artifacts": [ "evidence/home-summary.json" ], "suggestedFix": "Consolidate first-party origins, delay analytics until consent, and remove or batch non-essential calls.", "effort": "large" }, { "id": "F24", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "severity": "medium", "confidence": "high", "summary": "Defensive browser policies are only partially deployed", "evidence": "Headers show HSTS and frame restrictions, but no Permissions-Policy and a CSP limited to frame-ancestors.", "artifacts": [ "evidence/home-headers.json" ], "suggestedFix": "Add restrictive CSP directives, Permissions-Policy, modern frame-ancestors enforcement, and stronger referrer isolation.", "effort": "medium" }, { "id": "F25", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "html", "guidanceCategory": "resilience", "severity": "high", "confidence": "high", "summary": "Most rendered content is absent without JavaScript", "evidence": "The raw HTML contains only 25% of rendered content words; crawler and browser screenshots differ substantially.", "artifacts": [ "evidence/home-discoverability.json" ], "suggestedFix": "Server-render core navigation, categories, promotions, and product links with progressive enhancement.", "effort": "large" }, { "id": "F26", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-trustworthy", "principleCheckId": "no-dark-patterns", "guidanceId": "custom-button-actions", "guidanceCategory": "forms", "severity": "low", "confidence": "high", "summary": "Login-linked coupon framing creates promotional pressure", "evidence": "The first content announces a 50% coupon with coupons confirmed only after login before users reach products.", "artifacts": [ "evidence/home-mobile.png" ], "suggestedFix": "State eligibility and account requirements plainly and avoid urgency or oversized incentives ahead of core content.", "effort": "small" }, { "id": "F27", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Image and script delivery is not sufficiently optimised", "evidence": "Image audit found 51 missing dimensions, 39 below-fold images not lazy-loaded, and 10 without responsive sources; HAR transferred 3.43MB.", "artifacts": [ "evidence/home-images.json" ], "suggestedFix": "Lazy-load below-fold media, add responsive AVIF/WebP sources, and reduce script bytes.", "effort": "large" }, { "id": "F28", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "efficient-background-processing", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Startup performs excessive script work", "evidence": "The page loads 137 scripts and trace records seven long tasks with 959ms blocking time before a user journey begins.", "artifacts": [ "evidence/home-trace-summary.json" ], "suggestedFix": "Defer background/analytics work, conditionally load features, and schedule non-critical work after interaction or idle.", "effort": "large" }, { "id": "F29", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Third-party transfer dominates the page budget", "evidence": "HAR reports 3.43MB cross-origin transfer, with the largest script origin contributing 2.69MB.", "artifacts": [ "evidence/home-summary.json" ], "suggestedFix": "Set a third-party byte/request budget and remove, consolidate, or defer the largest external bundles.", "effort": "large" }, { "id": "F30", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "guidanceCategory": "ai", "severity": "medium", "confidence": "high", "summary": "The shopping journey is not exposed as structured agent capabilities", "evidence": "Probe found no WebMCP surface; the accessibility tree audit failed and many links depend on javascript: URLs.", "artifacts": [ "evidence/home-probes.json" ], "suggestedFix": "Expose safe search, product-detail, cart, and account actions through structured forms or WebMCP tools with validated schemas.", "effort": "medium" }, { "id": "F31", "pathId": "home", "url": "https://m.shein.com", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "defer-rendering-heavy-content", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "The initial page has an unusually large heap footprint", "evidence": "Baseline heap summary contained 1,200,901 nodes and 103.8MB self size for the initial mobile homepage.", "artifacts": [ "evidence/heap-baseline.json" ], "suggestedFix": "Reduce loaded modules and retained application state; profile dominant native/code allocations and lazy-initialise optional features.", "effort": "large" } ], "taskList": [ { "id": "T1", "title": "Cut startup JavaScript and main-thread work", "priority": 1, "findingIds": [ "F09", "F11", "F12", "F13", "F28", "F29", "F31" ], "guidanceId": "break-up-long-tasks", "status": "open" }, { "id": "T2", "title": "Restore semantic, crawlable HTML and accessible structure", "priority": 2, "findingIds": [ "F14", "F16", "F21", "F25", "F30" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T3", "title": "Optimise and stabilise image delivery", "priority": 3, "findingIds": [ "F10", "F17", "F19", "F27" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T4", "title": "Reduce intrusive promotional and consent chrome", "priority": 4, "findingIds": [ "F05", "F06", "F07", "F26" ], "guidanceId": "declarative-dialog-popover-control", "status": "open" }, { "id": "T5", "title": "Strengthen CSP and browser policies", "priority": 5, "findingIds": [ "F22", "F24" ], "guidanceId": "security", "status": "open" }, { "id": "T6", "title": "Add user preference theming and contrast fixes", "priority": 6, "findingIds": [ "F01", "F02", "F15" ], "guidanceId": "dark-mode", "status": "open" } ], "budget": { "wallClockSeconds": 900, "pathCount": 3, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-28T12-32-37-309Z" }