{ "url": "https://www.alibaba.com", "auditedAt": "2026-07-18T10:56:13.326Z", "mode": "report", "status": "completed", "statusDetail": "Representative homepage and category templates completed. Search, manufacturer, and product paths consistently returned a CAPTCHA interception; this was judged as direct evidence of a core-flow issue rather than an audit blocker.", "page": { "appType": "hybrid", "framework": "React-like", "notes": "Large international B2B marketplace with SSR plus client-rendered content. Public homepage, category, search, product, manufacturer, and login surfaces were sampled." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "layout-metrics", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "lighthouse", "robots.txt", "sitemap.xml", "Modern Web Guidance 0.0.172" ], "guidanceConsulted": [ "dark-mode", "accessibility", "light-dismiss-a-dialog", "fluid-scaling", "performance", "optimize-script-priority", "security", "privacy", "deliver-optimized-decorative-images", "webmcp", "forms", "html", "same-document-transitions", "shrinking-header-on-scroll", "size-aware-styling" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop", "findingIds": [ "F001", "F002", "F013", "F020" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile", "condition": "viewport: 360x800", "findingIds": [ "F001" ] }, { "type": "screenshot", "path": "evidence/category-mobile.png", "caption": "category mobile", "condition": "viewport: 360x800", "findingIds": [ "F007", "F008", "F009", "F018" ] }, { "type": "layout", "path": "evidence/category-mobile-layout.json", "caption": "category mobile layout", "condition": "viewport: 360x800", "findingIds": [ "F007", "F008", "F018" ] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark", "condition": "prefers-color-scheme: dark", "findingIds": [ "F003" ] }, { "type": "other", "path": "evidence/preferences-probe.json", "caption": "preferences probe", "findingIds": [ "F003", "F004" ] }, { "type": "screenshot", "path": "evidence/category-desktop.png", "caption": "category desktop", "findingIds": [ "F006" ] }, { "type": "other", "path": "evidence/category-accessibility-platform.json", "caption": "category accessibility platform", "findingIds": [ "F010", "F016", "F017" ] }, { "type": "screenshot", "path": "evidence/search-desktop.png", "caption": "search desktop", "findingIds": [ "F011", "F012" ] }, { "type": "other", "path": "evidence/search-probe.json", "caption": "search probe", "findingIds": [ "F012" ] }, { "type": "screenshot", "path": "evidence/login-desktop.png", "caption": "login desktop", "findingIds": [] }, { "type": "other", "path": "evidence/login-probe.json", "caption": "login probe", "findingIds": [] }, { "type": "trace", "path": "evidence/home-trace", "caption": "home trace", "findingIds": [ "F013" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary", "findingIds": [ "F013" ] }, { "type": "har", "path": "evidence/home-network", "caption": "home network", "findingIds": [ "F014" ] }, { "type": "har-summary", "path": "evidence/home-network-summary.json", "caption": "home network summary", "findingIds": [ "F014", "F015", "F024", "F027", "F028", "F029" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-category.json", "caption": "lighthouse category", "findingIds": [ "F010", "F015", "F016", "F017", "F018", "F019", "F021", "F030" ] }, { "type": "other", "path": "evidence/home-headers.json", "caption": "home headers", "findingIds": [ "F023", "F025" ] }, { "type": "other", "path": "evidence/home-cookies.json", "caption": "home cookies", "findingIds": [ "F023" ] }, { "type": "other", "path": "evidence/home-trackers.json", "caption": "home trackers", "findingIds": [ "F024", "F029" ] }, { "type": "other", "path": "evidence/home-secrets.json", "caption": "home secrets", "findingIds": [] }, { "type": "discoverability", "path": "evidence/discoverability-home", "caption": "discoverability home", "findingIds": [ "F026" ] }, { "type": "screenshot", "path": "evidence/discoverability-home-rendered.png", "caption": "discoverability home rendered", "findingIds": [] }, { "type": "screenshot", "path": "evidence/discoverability-home-crawler.png", "caption": "discoverability home crawler", "findingIds": [] }, { "type": "discoverability", "path": "evidence/discoverability-category", "caption": "discoverability category", "findingIds": [ "F026" ] }, { "type": "screenshot", "path": "evidence/discoverability-category-rendered.png", "caption": "discoverability category rendered", "findingIds": [] }, { "type": "screenshot", "path": "evidence/discoverability-category-crawler.png", "caption": "discoverability category crawler", "findingIds": [ "F026" ] }, { "type": "heap", "path": "evidence/category-heap-baseline", "caption": "category heap baseline", "findingIds": [] }, { "type": "heap", "path": "evidence/category-heap-post", "caption": "category heap post", "findingIds": [] }, { "type": "other", "path": "evidence/metadata-category.json", "caption": "metadata category", "findingIds": [ "F022" ] }, { "type": "other", "path": "evidence/platform-features.json", "caption": "platform features", "findingIds": [ "F005", "F006", "F009", "F030" ] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "sitemap", "findingIds": [] }, { "type": "screenshot", "path": "evidence/manufacturers-desktop.png", "caption": "manufacturers desktop", "findingIds": [ "F011" ] }, { "type": "screenshot", "path": "evidence/product-desktop.png", "caption": "product desktop", "findingIds": [ "F011" ] }, { "type": "other", "path": "evidence/home-images.json", "caption": "home images", "findingIds": [ "F020", "F027" ] } ], "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": "Preference emulation and computed-style/animation probes on the homepage.", "evidence": "Under prefers-color-scheme: dark, the screenshot remains light and the probe reports colorScheme \"normal\" with a white body background.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png", "evidence/preferences-probe.json" ], "findingIds": [ "F003" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "high", "method": "Preference emulation and computed-style/animation probes on the homepage.", "evidence": "The reduced-motion probe found five running shape-flow animations, each with a 20,000 ms duration, while prefers-reduced-motion: reduce matched.", "pathIds": [ "home" ], "artifacts": [ "evidence/preferences-probe.json" ], "findingIds": [ "F004" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "Preference emulation and computed-style/animation probes on the homepage.", "evidence": "Lighthouse color-contrast passed; prefers-contrast emulation matched and the live CSS included contrast rules.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/preferences-probe.json", "evidence/home-dark.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "Platform CSS feature probe plus representative category interaction review.", "evidence": "The platform-feature CSS probe found no view-transition rules across the representative category interface.", "pathIds": [ "category" ], "artifacts": [ "evidence/platform-features.json" ], "findingIds": [ "F005" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path feature inventory.", "evidence": "No scroll-linked animation was present on the audited templates, so implementation technique does not apply.", "reason": "No scroll-linked animation was present on the audited templates, so implementation technique does not apply.", "pathIds": [ "home", "category" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path feature inventory.", "evidence": "No swipe, pull, carousel gesture, or other gesture-driven core control was present in the audited public paths.", "reason": "No swipe, pull, carousel gesture, or other gesture-driven core control was present in the audited public paths.", "pathIds": [ "home", "category" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "medium", "method": "Desktop/category screenshots, breadcrumb review, and platform CSS probe.", "evidence": "The 4,991 px category page screenshot and CSS probe show a static desktop header with no scroll-state or scroll progress treatment.", "pathIds": [ "category" ], "artifacts": [ "evidence/category-desktop.png", "evidence/platform-features.json" ], "findingIds": [ "F006" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path feature inventory.", "evidence": "No tooltip or edge-positioned popover was required in the exercised category and search states.", "reason": "No tooltip or edge-positioned popover was required in the exercised category and search states.", "pathIds": [ "home", "category" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Desktop/category screenshots, breadcrumb review, and platform CSS probe.", "evidence": "The category breadcrumb, selected category, product count, and product headings provide explicit orientation.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/category-desktop.png", "evidence/platform-features.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "First-load desktop/mobile screenshots and DOM primitive.", "evidence": "Desktop and mobile screenshots after a 5 second wait show a large Accio Work trial modal dimming and blocking the primary Alibaba marketplace content.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ], "findingIds": [ "F001" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "medium", "method": "First-load desktop/mobile screenshots and DOM primitive.", "evidence": "The homepage DOM snapshot taken while the overlay was visible contained no or popover element, while the screenshot shows modal behavior.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ], "findingIds": [ "F002" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "issues", "confidence": "high", "method": "First-load desktop/mobile screenshots and DOM primitive.", "evidence": "At 360 px the fixed desktop filter rail occupies most of the visible width, leaving only a clipped product column.", "pathIds": [ "category" ], "artifacts": [ "evidence/category-mobile.png", "evidence/category-mobile-layout.json" ], "findingIds": [ "F007" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "360×800 screenshots, layout metrics, focus sampling, and Lighthouse.", "evidence": "Layout evidence reports scrollWidth 1200, clientWidth 360, and 840 px horizontal overflow; the screenshot shows clipped header, breadcrumb, filters, and products.", "pathIds": [ "category" ], "artifacts": [ "evidence/category-mobile.png", "evidence/category-mobile-layout.json" ], "findingIds": [ "F008" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "360×800 screenshots, layout metrics, focus sampling, and Lighthouse.", "evidence": "The category’s filter/product composition remains desktop-sized at 360 px, and the platform CSS probe found no container-query rules.", "pathIds": [ "category" ], "artifacts": [ "evidence/category-mobile.png", "evidence/platform-features.json" ], "findingIds": [ "F009" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "360×800 screenshots, layout metrics, focus sampling, and Lighthouse.", "evidence": "Lighthouse found 35 target-size failures; the focus probe found many anchors with outline-style none and no box shadow.", "pathIds": [ "category" ], "artifacts": [ "evidence/lighthouse-category.json", "evidence/category-accessibility-platform.json" ], "findingIds": [ "F010" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "Homepage/category walkthrough plus search, product, manufacturer, and login paths.", "evidence": "The category first viewport clearly names “Solar Panels”, product count, filters, products, prices, MOQ, and search.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/category-desktop.png", "evidence/search-desktop.png", "evidence/login-desktop.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "issues", "confidence": "high", "method": "Homepage/category walkthrough plus search, product, manufacturer, and login paths.", "evidence": "Fresh search, manufacturer, and product-detail captures all returned “Captcha Interception” and a slide-to-verify challenge instead of results or product content.", "pathIds": [ "search" ], "artifacts": [ "evidence/search-desktop.png", "evidence/manufacturers-desktop.png", "evidence/product-desktop.png" ], "findingIds": [ "F011" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "issues", "confidence": "high", "method": "Homepage/category walkthrough plus search, product, manufacturer, and login paths.", "evidence": "The challenge shows only a slider, QR code, and “Click to feedback”; it does not explain how to resume the search or preserve the query.", "pathIds": [ "search" ], "artifacts": [ "evidence/search-desktop.png", "evidence/search-probe.json" ], "findingIds": [ "F012" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Raw trace, layout observer, HAR summary, and Lighthouse category run.", "evidence": "The raw trace measured homepage LCP at 5,256.64 ms. Category Lighthouse measured 2.1 s, showing a template-specific regression.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace", "evidence/home-trace-summary.json", "evidence/home-desktop.png" ], "findingIds": [ "F013" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Raw trace, layout observer, HAR summary, and Lighthouse category run.", "evidence": "Mobile category layout recorded CLS 0.00015; category Lighthouse CLS was 0.00013.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/home-trace-summary.json", "evidence/home-network-summary.json", "evidence/lighthouse-category.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "Raw trace, layout observer, HAR summary, and Lighthouse category run.", "evidence": "Homepage trace total blocking time was 80.1 ms and category Lighthouse TBT was 67 ms.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/home-trace-summary.json", "evidence/home-network-summary.json", "evidence/lighthouse-category.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Raw trace, layout observer, HAR summary, and Lighthouse category run.", "evidence": "HAR evidence records 465 requests and 7,776,049 transferred bytes, including 102 scripts (3.60 MB), 222 images (1.61 MB), and multiple parser-inserted stylesheets.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-network", "evidence/home-network-summary.json" ], "findingIds": [ "F014" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Raw trace, layout observer, HAR summary, and Lighthouse category run.", "evidence": "The HAR shows large messenger/RFQ bundles on homepage load; Lighthouse found 44 KiB unused in one category bundle (72.7% of that resource).", "pathIds": [ "home" ], "artifacts": [ "evidence/home-network-summary.json", "evidence/lighthouse-category.json" ], "findingIds": [ "F015" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility audits, DOM/landmark/name probe, focus sampling, and mobile reflow evidence.", "evidence": "Lighthouse failed button-name and link-name; the DOM probe counted 114 empty links and 78 images without an alt attribute on the category page.", "pathIds": [ "category" ], "artifacts": [ "evidence/lighthouse-category.json", "evidence/category-accessibility-platform.json" ], "findingIds": [ "F016" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "pass", "confidence": "high", "method": "Lighthouse accessibility audits, DOM/landmark/name probe, focus sampling, and mobile reflow evidence.", "evidence": "Lighthouse color-contrast audit passed on the category template.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/lighthouse-category.json", "evidence/category-accessibility-platform.json", "evidence/category-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility audits, DOM/landmark/name probe, focus sampling, and mobile reflow evidence.", "evidence": "Lighthouse failed landmark-one-main; focus sampling found many anchors with no outline or focus shadow.", "pathIds": [ "category" ], "artifacts": [ "evidence/lighthouse-category.json", "evidence/category-accessibility-platform.json" ], "findingIds": [ "F017" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "Lighthouse accessibility audits, DOM/landmark/name probe, focus sampling, and mobile reflow evidence.", "evidence": "Desktop/category screenshots show readable type hierarchy and Lighthouse found no contrast failure.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/lighthouse-category.json", "evidence/category-accessibility-platform.json", "evidence/category-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Lighthouse accessibility audits, DOM/landmark/name probe, focus sampling, and mobile reflow evidence.", "evidence": "At 360 px the category overflows by 840 px and Lighthouse reports 35 undersized or crowded targets.", "pathIds": [ "category" ], "artifacts": [ "evidence/category-mobile-layout.json", "evidence/category-mobile.png", "evidence/lighthouse-category.json" ], "findingIds": [ "F018" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Lighthouse best-practices diagnostics, DOM metadata, and image primitive.", "evidence": "Lighthouse captured TypeError: Cannot read properties of null (reading “2”) in cdn-seo-ai-category-wap/index.js.", "pathIds": [ "category" ], "artifacts": [ "evidence/lighthouse-category.json" ], "findingIds": [ "F019" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Lighthouse best-practices diagnostics, DOM metadata, and image primitive.", "evidence": "The image primitive found all three visible images without width/height, two without srcset, and one 600 px image displayed at 134 px.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/home-desktop.png" ], "findingIds": [ "F020" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Lighthouse best-practices diagnostics, DOM metadata, and image primitive.", "evidence": "Lighthouse reports an unload listener and four BFCache failure reasons, plus a deprecated API warning.", "pathIds": [ "category" ], "artifacts": [ "evidence/lighthouse-category.json" ], "findingIds": [ "F021" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "DOM metadata, robots.txt, sitemap.xml, Lighthouse SEO, and raw-vs-rendered discoverability.", "evidence": "Homepage and category expose descriptive titles and meta descriptions in raw and rendered HTML.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/metadata-category.json", "evidence/discoverability-home", "evidence/discoverability-category", "evidence/robots.txt", "evidence/sitemap.xml" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "pass", "confidence": "high", "method": "DOM metadata, robots.txt, sitemap.xml, Lighthouse SEO, and raw-vs-rendered discoverability.", "evidence": "Lighthouse SEO scored 1.0; anchors are crawlable and category viewport metadata is valid, notwithstanding the separate reflow failure.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/metadata-category.json", "evidence/discoverability-home", "evidence/discoverability-category", "evidence/robots.txt", "evidence/sitemap.xml" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "high", "method": "DOM metadata, robots.txt, sitemap.xml, Lighthouse SEO, and raw-vs-rendered discoverability.", "evidence": "Category returned 200 with canonical URL, index/follow robots meta; robots.txt and sitemap.xml returned 200.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/metadata-category.json", "evidence/discoverability-home", "evidence/discoverability-category", "evidence/robots.txt", "evidence/sitemap.xml" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "high", "method": "DOM metadata, robots.txt, sitemap.xml, Lighthouse SEO, and raw-vs-rendered discoverability.", "evidence": "Metadata evidence shows complete Open Graph tags but no JSON-LD for the product-list/category entity.", "pathIds": [ "category" ], "artifacts": [ "evidence/metadata-category.json" ], "findingIds": [ "F022" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "HTTPS header, cookie, tracker, secrets, HAR, and login permission/auth probes.", "evidence": "The HTTPS response has no CSP, HSTS, nosniff, frame protection, Referrer-Policy, or Permissions-Policy; two 180-day cookies are not Secure and use SameSite=None.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "findingIds": [ "F023" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "HTTPS header, cookie, tracker, secrets, HAR, and login permission/auth probes.", "evidence": "HAR reports 461 of 465 requests and 7.74 of 7.78 MB as third-party by origin, while tracker evidence enumerates 12 third-party origins.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-network-summary.json", "evidence/home-trackers.json" ], "findingIds": [ "F024" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "high", "method": "HTTPS header, cookie, tracker, secrets, HAR, and login permission/auth probes.", "evidence": "Login loaded without permission prompts and offered Google, Facebook, LinkedIn, QR, and email routes; passkey-related capability text was present in the document probe.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json", "evidence/home-trackers.json", "evidence/home-secrets.json", "evidence/login-probe.json" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "HTTPS header, cookie, tracker, secrets, HAR, and login permission/auth probes.", "evidence": "Header evidence confirms no CSP/frame-ancestors or X-Frame-Options, HSTS, Referrer-Policy, or Permissions-Policy.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json" ], "findingIds": [ "F025" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "Raw-vs-rendered discoverability, runtime/category walkthrough, and observed failure state.", "evidence": "Discoverability measured 44% homepage and 47% category content coverage without JavaScript. The pages are not empty shells, but substantial product/content detail depends on client rendering.", "pathIds": [ "category" ], "artifacts": [ "evidence/discoverability-home", "evidence/discoverability-category", "evidence/discoverability-category-crawler.png" ], "findingIds": [ "F026" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "Raw-vs-rendered discoverability, runtime/category walkthrough, and observed failure state.", "evidence": "The successfully loaded category remained functional and stable with native navigation and no clipped overlay in the desktop state.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/discoverability-home", "evidence/discoverability-category", "evidence/search-desktop.png" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path feature inventory.", "evidence": "Alibaba is a transaction marketplace whose current inventory, identity, and ordering require a live connection; an installable/offline app shell was judged non-essential for the audited public web scope.", "reason": "Alibaba is a transaction marketplace whose current inventory, identity, and ordering require a live connection; an installable/offline app shell was judged non-essential for the audited public web scope.", "pathIds": [ "home", "category" ] }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "Raw-vs-rendered discoverability, runtime/category walkthrough, and observed failure state.", "evidence": "The anti-bot response rendered a stable explanatory state and feedback route rather than a blank shell; task recovery limitations are recorded separately.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/discoverability-home", "evidence/discoverability-category", "evidence/search-desktop.png" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "high", "method": "HTML lang/dir, logical-property CSS evidence, region/currency content review, and metadata.", "evidence": "Category HTML declares lang=en; captured CSS uses inset-inline-start/end and the page exposes region/language selection.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/category-accessibility-platform.json", "evidence/metadata-category.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "high", "method": "HTML lang/dir, logical-property CSS evidence, region/currency content review, and metadata.", "evidence": "The page selected delivery region GB and presents explicit currency-valued product prices rather than ambiguous bare numbers.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/category-accessibility-platform.json", "evidence/metadata-category.json" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path feature inventory.", "evidence": "The representative public pages showed no dates, events, schedules, or time-zone-sensitive data.", "reason": "The representative public pages showed no dates, events, schedules, or time-zone-sensitive data.", "pathIds": [ "home", "category" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "Promotion, listing, search challenge, and login flow screenshots/DOM review.", "evidence": "The observed promotion has a visible close control and no confirmshaming; listings expose price and MOQ.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/home-desktop.png", "evidence/category-desktop.png", "evidence/login-desktop.png", "evidence/search-desktop.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "pass", "confidence": "high", "method": "Promotion, listing, search challenge, and login flow screenshots/DOM review.", "evidence": "The only exercised exceptional state explains unusual traffic and offers feedback; its weak recovery is recorded under core task success.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/home-desktop.png", "evidence/category-desktop.png", "evidence/login-desktop.png", "evidence/search-desktop.png" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "pass", "confidence": "high", "method": "Promotion, listing, search challenge, and login flow screenshots/DOM review.", "evidence": "Search has an accessible label; login identifies the email input and offers QR/social alternatives, though autocomplete is off.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/home-desktop.png", "evidence/category-desktop.png", "evidence/login-desktop.png", "evidence/search-desktop.png" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "pass", "confidence": "high", "method": "Promotion, listing, search challenge, and login flow screenshots/DOM review.", "evidence": "Public listings show price and MOQ; login offers multiple routes without requesting payment or hidden commitment.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/home-desktop.png", "evidence/category-desktop.png", "evidence/login-desktop.png", "evidence/search-desktop.png" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "HAR byte/request breakdown, image audit, trace, and screenshot review.", "evidence": "Image evidence found an oversized 600 px PNG displayed at 134 px and missing responsive sources; the homepage transferred 1.61 MB across 222 images.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/home-network-summary.json" ], "findingIds": [ "F027" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "HAR byte/request breakdown, image audit, trace, and screenshot review.", "evidence": "The homepage HAR includes 600 KB messenger, 554 KB chat, and 465 KB RFQ bundles during initial load.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-network-summary.json" ], "findingIds": [ "F028" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "HAR byte/request breakdown, image audit, trace, and screenshot review.", "evidence": "The homepage transfers 7.78 MB across 465 requests, with 7.74 MB attributed to origins outside www.alibaba.com.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-network-summary.json", "evidence/home-trackers.json" ], "findingIds": [ "F029" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "high", "method": "Platform agent capability probe and Lighthouse agentic-browsing diagnostics.", "evidence": "The homepage advertises “AI Mode”, but the platform probe found no WebMCP/agent tool registration; Lighthouse agentic-browsing scored 0.33.", "pathIds": [ "home" ], "artifacts": [ "evidence/platform-features.json", "evidence/lighthouse-category.json" ], "findingIds": [ "F030" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-path feature inventory.", "evidence": "No summarisation or generative task requiring local inference was exposed in the audited public flow.", "reason": "No summarisation or generative task requiring local inference was exposed in the audited public flow.", "pathIds": [ "home", "category" ] }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "high", "method": "Baseline and post-interaction heap summaries around ten filter toggle cycles.", "evidence": "After ten filter toggle cycles, heap self-size decreased from 33,646,286 to 33,549,660 bytes and node count decreased from 444,025 to 443,111.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/category-heap-baseline", "evidence/category-heap-post" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "pass", "confidence": "high", "method": "Baseline and post-interaction heap summaries around ten filter toggle cycles.", "evidence": "The category heap was 33.6 MB self-size for a dense 530-image catalog page, proportionate to the rendered surface.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/category-heap-baseline", "evidence/category-heap-post" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "high", "method": "Baseline and post-interaction heap summaries around ten filter toggle cycles.", "evidence": "Post-interaction heap totals did not grow and no Detached* constructor appeared among the largest constructor populations.", "pathIds": [ "home", "category" ], "artifacts": [ "evidence/category-heap-baseline", "evidence/category-heap-post" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F003", "F004" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F005" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F006" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F001", "F002", "F007" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F008", "F009", "F010" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "issues", "findingIds": [ "F011", "F012" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F013", "F014", "F015" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F016", "F017", "F018" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F019", "F020", "F021" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F022" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F023", "F024", "F025" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F026" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "pass" }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F027", "F028", "F029" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "F030" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "home", "description": "Homepage and first-load marketplace entry, including preference emulation and promotional overlay.", "url": "https://www.alibaba.com/", "conditions": [ "desktop", "viewport: 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "prefers-contrast: more" ], "result": "issues" }, { "id": "category", "description": "Solar Panels listing as the representative category/results template, including filters, products, metadata, accessibility, performance, mobile layout, and repeated filter toggling.", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "conditions": [ "desktop", "viewport: 360x800", "keyboard focus sampling", "raw HTML/no JavaScript comparison" ], "result": "issues" }, { "id": "search", "description": "Primary product-search journey for “solar panels”; returned CAPTCHA interception.", "url": "https://www.alibaba.com/trade/search?SearchText=solar%20panels", "conditions": [ "desktop", "fresh browser profile" ], "result": "failed" }, { "id": "product", "description": "Representative product-detail path discovered from the category; returned CAPTCHA interception.", "url": "https://www.alibaba.com/product-detail/Best-Price-Solar-Panels-550W-600W_1601730057993.html", "conditions": [ "desktop", "fresh browser profile" ], "result": "failed" }, { "id": "manufacturers", "description": "Representative verified-manufacturer discovery path; returned CAPTCHA interception.", "url": "https://www.alibaba.com/factory/index.html", "conditions": [ "desktop", "fresh browser profile" ], "result": "failed" }, { "id": "login", "description": "Public sign-in/account entry to inspect authentication options and permission timing.", "url": "https://login.alibaba.com/", "conditions": [ "desktop", "fresh browser profile" ], "result": "pass" } ], "findings": [ { "id": "F001", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "user-experience", "severity": "high", "confidence": "high", "summary": "A promotional trial interstitial obscures the homepage on arrival.", "evidence": "Desktop and mobile screenshots after a 5 second wait show a large Accio Work trial modal dimming and blocking the primary Alibaba marketplace content.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ], "suggestedFix": "Do not show the promotion on first load. Use an inline, user-invoked promotion or a lightweight dismissible popover after demonstrated intent.", "effort": "small" }, { "id": "F002", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "medium", "summary": "The load-time overlay is not exposed through a native modal primitive in the captured DOM.", "evidence": "The homepage DOM snapshot taken while the overlay was visible contained no or popover element, while the screenshot shows modal behavior.", "artifacts": [ "evidence/home-desktop.png" ], "suggestedFix": "Implement the flow with , showModal(), an accessible name, focus containment, Escape handling, and a clear close button.", "effort": "medium" }, { "id": "F003", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "The site ignores the user’s dark color-scheme preference.", "evidence": "Under prefers-color-scheme: dark, the screenshot remains light and the probe reports colorScheme \"normal\" with a white body background.", "artifacts": [ "evidence/home-dark.png", "evidence/preferences-probe.json" ], "suggestedFix": "Declare color-scheme: light dark and provide preference-driven surface, text, border, and image treatments using prefers-color-scheme or light-dark().", "effort": "medium" }, { "id": "F004", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Long-running decorative motion continues under reduced motion.", "evidence": "The reduced-motion probe found five running shape-flow animations, each with a 20,000 ms duration, while prefers-reduced-motion: reduce matched.", "artifacts": [ "evidence/preferences-probe.json" ], "suggestedFix": "Disable non-essential looping motion in a prefers-reduced-motion: reduce query and retain only necessary state feedback.", "effort": "medium" }, { "id": "F005", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "user-experience", "severity": "low", "confidence": "high", "summary": "Page and state changes do not use declarative View Transitions.", "evidence": "The platform-feature CSS probe found no view-transition rules across the representative category interface.", "artifacts": [ "evidence/platform-features.json" ], "suggestedFix": "Use same-document View Transitions for filter/list state changes and cross-document transitions only where they improve orientation; honor reduced motion.", "effort": "medium" }, { "id": "F006", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "shrinking-header-on-scroll", "guidanceCategory": "user-experience", "severity": "low", "confidence": "medium", "summary": "The long catalog lacks scroll-state-aware navigation cues.", "evidence": "The 4,991 px category page screenshot and CSS probe show a static desktop header with no scroll-state or scroll progress treatment.", "artifacts": [ "evidence/category-desktop.png", "evidence/platform-features.json" ], "suggestedFix": "Use a restrained sticky header or scroll-state query to preserve search/context without consuming excessive space.", "effort": "medium" }, { "id": "F007", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "maximize-content-reduce-noise", "principleCheckId": "reduced-chrome", "guidanceId": "fluid-scaling", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Dense persistent filters and navigation crowd the product content.", "evidence": "At 360 px the fixed desktop filter rail occupies most of the visible width, leaving only a clipped product column.", "artifacts": [ "evidence/category-mobile.png", "evidence/category-mobile-layout.json" ], "suggestedFix": "Prioritize products on narrow screens and move secondary filters into an explicit, dismissible filter sheet.", "effort": "medium" }, { "id": "F008", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "guidanceCategory": "user-experience", "severity": "critical", "confidence": "high", "summary": "The category template renders a 1,200 px desktop layout on a 360 px viewport.", "evidence": "Layout evidence reports scrollWidth 1200, clientWidth 360, and 840 px horizontal overflow; the screenshot shows clipped header, breadcrumb, filters, and products.", "artifacts": [ "evidence/category-mobile.png", "evidence/category-mobile-layout.json" ], "suggestedFix": "Replace fixed/minimum desktop widths with intrinsic grids, fluid sizing, and a mobile filter pattern; verify no overflow at 320–400 px.", "effort": "large" }, { "id": "F009", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "user-experience", "severity": "high", "confidence": "high", "summary": "Catalog components do not adapt to their available container.", "evidence": "The category’s filter/product composition remains desktop-sized at 360 px, and the platform CSS probe found no container-query rules.", "artifacts": [ "evidence/category-mobile.png", "evidence/platform-features.json" ], "suggestedFix": "Make the product grid and filter controls container-responsive with @container, intrinsic columns, and a no-query fallback.", "effort": "large" }, { "id": "F010", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Many controls are too small and several links have no visible focus indicator.", "evidence": "Lighthouse found 35 target-size failures; the focus probe found many anchors with outline-style none and no box shadow.", "artifacts": [ "evidence/lighthouse-category.json", "evidence/category-accessibility-platform.json" ], "suggestedFix": "Provide at least 24 by 24 CSS px targets with spacing, retain a strong :focus-visible indicator, and avoid hover-only actions.", "effort": "medium" }, { "id": "F011", "pathId": "search", "url": "https://www.alibaba.com/trade/search?SearchText=solar%20panels", "principleId": "support-core-task-success", "principleCheckId": "primary-flow-completion", "guidanceId": "forms", "guidanceCategory": "user-experience", "severity": "high", "confidence": "high", "summary": "Search, manufacturer, and product-detail navigation can dead-end at an anti-bot challenge.", "evidence": "Fresh search, manufacturer, and product-detail captures all returned “Captcha Interception” and a slide-to-verify challenge instead of results or product content.", "artifacts": [ "evidence/search-desktop.png", "evidence/manufacturers-desktop.png", "evidence/product-desktop.png" ], "suggestedFix": "Reduce false-positive bot interception, preserve the intended destination, and offer an accessible verification and recovery route.", "effort": "large" }, { "id": "F012", "pathId": "search", "url": "https://www.alibaba.com/trade/search?SearchText=solar%20panels", "principleId": "support-core-task-success", "principleCheckId": "clear-system-state-and-recovery", "guidanceId": "forms", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "The traffic challenge provides weak recovery and no path back to the intended task.", "evidence": "The challenge shows only a slider, QR code, and “Click to feedback”; it does not explain how to resume the search or preserve the query.", "artifacts": [ "evidence/search-desktop.png", "evidence/search-probe.json" ], "suggestedFix": "Explain the state, retain the query/destination, provide accessible verification alternatives, retry, and return-to-results actions.", "effort": "medium" }, { "id": "F013", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Homepage LCP is slow despite the category template performing well.", "evidence": "The raw trace measured homepage LCP at 5,256.64 ms. Category Lighthouse measured 2.1 s, showing a template-specific regression.", "artifacts": [ "evidence/home-trace", "evidence/home-trace-summary.json", "evidence/home-desktop.png" ], "suggestedFix": "Prioritize the real homepage LCP resource, remove the load-time interstitial from the critical path, and defer non-critical bundles.", "effort": "medium" }, { "id": "F014", "pathId": "home", "url": "https://www.alibaba.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 very large request graph.", "evidence": "HAR evidence records 465 requests and 7,776,049 transferred bytes, including 102 scripts (3.60 MB), 222 images (1.61 MB), and multiple parser-inserted stylesheets.", "artifacts": [ "evidence/home-network", "evidence/home-network-summary.json" ], "suggestedFix": "Set route-level budgets, consolidate critical CSS, lazy-load messenger/RFQ modules, and defer resources until user intent.", "effort": "medium" }, { "id": "F015", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "optimize-script-priority", "guidanceCategory": "performance", "severity": "medium", "confidence": "high", "summary": "Non-critical and partly unused JavaScript is shipped up front.", "evidence": "The HAR shows large messenger/RFQ bundles on homepage load; Lighthouse found 44 KiB unused in one category bundle (72.7% of that resource).", "artifacts": [ "evidence/home-network-summary.json", "evidence/lighthouse-category.json" ], "suggestedFix": "Code-split by route and interaction, load messaging/RFQ only on demand, and remove legacy/duplicate bundles.", "effort": "medium" }, { "id": "F016", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Important controls and links lack accessible names.", "evidence": "Lighthouse failed button-name and link-name; the DOM probe counted 114 empty links and 78 images without an alt attribute on the category page.", "artifacts": [ "evidence/lighthouse-category.json", "evidence/category-accessibility-platform.json" ], "suggestedFix": "Give every interactive element a programmatic name, use real buttons/links, and provide meaningful alt text or empty alt for decoration.", "effort": "medium" }, { "id": "F017", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "The category page has no main landmark and focus styling is inconsistent.", "evidence": "Lighthouse failed landmark-one-main; focus sampling found many anchors with no outline or focus shadow.", "artifacts": [ "evidence/lighthouse-category.json", "evidence/category-accessibility-platform.json" ], "suggestedFix": "Wrap primary content in
, normalize heading/landmark structure, and add a clearly visible :focus-visible treatment.", "effort": "medium" }, { "id": "F018", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "The interface fails narrow reflow and target-size requirements.", "evidence": "At 360 px the category overflows by 840 px and Lighthouse reports 35 undersized or crowded targets.", "artifacts": [ "evidence/category-mobile-layout.json", "evidence/category-mobile.png", "evidence/lighthouse-category.json" ], "suggestedFix": "Allow reflow without two-dimensional scrolling and increase target size/spacing while preserving user zoom.", "effort": "large" }, { "id": "F019", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "A category JavaScript exception is logged.", "evidence": "Lighthouse captured TypeError: Cannot read properties of null (reading “2”) in cdn-seo-ai-category-wap/index.js.", "artifacts": [ "evidence/lighthouse-category.json" ], "suggestedFix": "Fix the null-state assumption, add guarded parsing, and cover the category payload with regression tests.", "effort": "small" }, { "id": "F020", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Image delivery lacks basic sizing and responsive hints in the observed homepage overlay.", "evidence": "The image primitive found all three visible images without width/height, two without srcset, and one 600 px image displayed at 134 px.", "artifacts": [ "evidence/home-images.json", "evidence/home-desktop.png" ], "suggestedFix": "Set intrinsic dimensions, provide responsive srcset/sizes, and serve appropriately sized modern formats.", "effort": "medium" }, { "id": "F021", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Deprecated unload behavior prevents BFCache restoration.", "evidence": "Lighthouse reports an unload listener and four BFCache failure reasons, plus a deprecated API warning.", "artifacts": [ "evidence/lighthouse-category.json" ], "suggestedFix": "Remove unload handlers in favor of pagehide/visibilitychange where needed and eliminate actionable no-store/BFCache blockers.", "effort": "medium" }, { "id": "F022", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "guidanceCategory": "user-experience", "severity": "low", "confidence": "high", "summary": "The category has social metadata but no structured entity data.", "evidence": "Metadata evidence shows complete Open Graph tags but no JSON-LD for the product-list/category entity.", "artifacts": [ "evidence/metadata-category.json" ], "suggestedFix": "Add accurate schema.org ItemList/BreadcrumbList metadata that matches the visible products and breadcrumb.", "effort": "small" }, { "id": "F023", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "Baseline security headers and cookie protections are missing.", "evidence": "The HTTPS response has no CSP, HSTS, nosniff, frame protection, Referrer-Policy, or Permissions-Policy; two 180-day cookies are not Secure and use SameSite=None.", "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "suggestedFix": "Deploy a restrictive CSP, HSTS, nosniff, frame-ancestors, Referrer-Policy, and Permissions-Policy; mark HTTPS cookies Secure and choose the strictest viable SameSite value.", "effort": "medium" }, { "id": "F024", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "Nearly the entire homepage transfer is attributed to cross-origin infrastructure and telemetry-heavy dependencies.", "evidence": "HAR reports 461 of 465 requests and 7.74 of 7.78 MB as third-party by origin, while tracker evidence enumerates 12 third-party origins.", "artifacts": [ "evidence/home-network-summary.json", "evidence/home-trackers.json" ], "suggestedFix": "Audit every cross-origin dependency, treat owned CDNs separately in reporting, remove non-essential telemetry, and defer optional third-party modules until consent or intent.", "effort": "medium" }, { "id": "F025", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "Browser-enforced defense policies are absent.", "evidence": "Header evidence confirms no CSP/frame-ancestors or X-Frame-Options, HSTS, Referrer-Policy, or Permissions-Policy.", "artifacts": [ "evidence/home-headers.json" ], "suggestedFix": "Add defense-in-depth headers, start CSP in report-only mode, and tighten it using observed violations before enforcement.", "effort": "medium" }, { "id": "F026", "pathId": "category", "url": "https://www.alibaba.com/category/solar-panels_201272588.html", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "html", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Only about half of rendered catalog vocabulary is available in raw HTML.", "evidence": "Discoverability measured 44% homepage and 47% category content coverage without JavaScript. The pages are not empty shells, but substantial product/content detail depends on client rendering.", "artifacts": [ "evidence/discoverability-home", "evidence/discoverability-category", "evidence/discoverability-category-crawler.png" ], "suggestedFix": "Server-render or progressively enhance the primary product list, navigation, and task controls so core sourcing remains usable without JavaScript.", "effort": "large" }, { "id": "F027", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Image assets are not consistently right-sized or responsive.", "evidence": "Image evidence found an oversized 600 px PNG displayed at 134 px and missing responsive sources; the homepage transferred 1.61 MB across 222 images.", "artifacts": [ "evidence/home-images.json", "evidence/home-network-summary.json" ], "suggestedFix": "Generate responsive modern-format variants, declare sizes/srcset, and request only the resolution needed for each card or promotion.", "effort": "medium" }, { "id": "F028", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "optimize-script-priority", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Large messaging and RFQ modules load before user intent.", "evidence": "The homepage HAR includes 600 KB messenger, 554 KB chat, and 465 KB RFQ bundles during initial load.", "artifacts": [ "evidence/home-network-summary.json" ], "suggestedFix": "Load chat, messenger, RFQ, and related analytics only after the user invokes those features.", "effort": "medium" }, { "id": "F029", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "privacy", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "The initial page budget is disproportionate to the marketplace landing task.", "evidence": "The homepage transfers 7.78 MB across 465 requests, with 7.74 MB attributed to origins outside www.alibaba.com.", "artifacts": [ "evidence/home-network-summary.json", "evidence/home-trackers.json" ], "suggestedFix": "Establish a landing-page resource budget and reduce scripts, imagery, telemetry, and cross-origin dependencies before adding new payload.", "effort": "medium" }, { "id": "F030", "pathId": "home", "url": "https://www.alibaba.com/", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "guidanceCategory": "user-experience", "severity": "low", "confidence": "high", "summary": "The marketplace exposes no structured agent tools despite an explicit AI-oriented sourcing surface.", "evidence": "The homepage advertises “AI Mode”, but the platform probe found no WebMCP/agent tool registration; Lighthouse agentic-browsing scored 0.33.", "artifacts": [ "evidence/platform-features.json", "evidence/lighthouse-category.json" ], "suggestedFix": "Pilot narrowly scoped, permissioned WebMCP tools for product search, comparison, and RFQ drafting with clear confirmation boundaries.", "effort": "medium" } ], "taskList": [ { "id": "T001", "title": "Rebuild category mobile reflow and input targets", "priority": 1, "findingIds": [ "F008", "F009", "F010", "F018" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T002", "title": "Remove the first-load interstitial and use a semantic, user-invoked dialog", "priority": 2, "findingIds": [ "F001", "F002", "F007" ], "guidanceId": "light-dismiss-a-dialog", "status": "open" }, { "id": "T003", "title": "Add baseline security headers and secure cookie attributes", "priority": 3, "findingIds": [ "F023", "F025" ], "guidanceId": "security", "status": "open" }, { "id": "T004", "title": "Reduce homepage payload and defer chat, RFQ, and telemetry", "priority": 4, "findingIds": [ "F013", "F014", "F015", "F024", "F028", "F029" ], "guidanceId": "optimize-script-priority", "status": "open" }, { "id": "T005", "title": "Fix accessible names, landmarks, focus, and target sizing", "priority": 5, "findingIds": [ "F010", "F016", "F017", "F018" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T006", "title": "Reduce anti-bot false positives and preserve task recovery", "priority": 6, "findingIds": [ "F011", "F012" ], "guidanceId": "forms", "status": "open" }, { "id": "T007", "title": "Honor dark and reduced-motion preferences", "priority": 7, "findingIds": [ "F003", "F004" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T008", "title": "Progressively render core marketplace content", "priority": 8, "findingIds": [ "F026" ], "guidanceId": "html", "status": "open" }, { "id": "T009", "title": "Right-size responsive images and reserve their layout space", "priority": 9, "findingIds": [ "F020", "F027" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T010", "title": "Fix console errors, deprecated unload handling, and BFCache blockers", "priority": 10, "findingIds": [ "F019", "F021" ], "guidanceId": "html", "status": "open" }, { "id": "T011", "title": "Add category structured data and pilot safe agent tools", "priority": 11, "findingIds": [ "F022", "F030" ], "guidanceId": "webmcp", "status": "open" }, { "id": "T012", "title": "Add restrained transition and scroll orientation cues", "priority": 12, "findingIds": [ "F005", "F006" ], "guidanceId": "same-document-transitions", "status": "open" } ], "budget": { "pathCount": 6, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-18T10-56-13-326Z" }