{ "url": "https://sellercentral.amazon.in", "auditedAt": "2026-07-20T17:29:25.692Z", "mode": "report", "status": "completed", "statusDetail": "Coverage-complete public-surface audit across the acquisition homepage, sign-in, onboarding handoff, and fee detail archetype. Authenticated seller-dashboard pages and account creation after personal-data entry were not covered.", "page": { "appType": "mpa", "framework": "Server-rendered Amazon UI / hand-authored marketing assets", "notes": "Public seller acquisition site with SSR content, custom overlays, marketing forms, large decorative animation, and links into authentication/onboarding." }, "evidenceUsed": [ "screenshot", "layout-metrics", "evaluate-probe", "discoverability", "trace", "HAR", "Lighthouse", "heap-summary", "headers", "cookies", "trackers", "secrets", "images" ], "guidanceConsulted": [ "dark-mode", "accessibility", "same-document-transitions", "scrollability-affordance-hints", "declarative-dialog-popover-control", "fluid-scaling", "forms", "performance", "optimize-image-priority", "html", "security", "privacy", "flicker-free-client-side-ab-testing", "translator", "custom-button-actions", "deliver-optimized-decorative-images", "webmcp", "manage-recurring-intervals" ], "artifacts": [ { "type": "screenshot", "path": "evidence/discoverability-rendered.png", "caption": "Rendered homepage at the default viewport", "condition": "default", "findingIds": [] }, { "type": "screenshot", "path": "evidence/discoverability-crawler.png", "caption": "Homepage with JavaScript disabled", "condition": "JavaScript disabled", "findingIds": [] }, { "type": "discoverability", "path": "evidence/discoverability.json", "caption": "Raw HTML versus rendered-content discoverability result", "condition": "JavaScript on/off", "findingIds": [ "F32" ] }, { "type": "screenshot", "path": "evidence/mobile.png", "caption": "Homepage at a 390x844 device viewport", "condition": "viewport: 390x844", "findingIds": [ "F04", "F07", "F08", "F09", "F16" ] }, { "type": "screenshot", "path": "evidence/dark.png", "caption": "Homepage under a dark system preference", "condition": "prefers-color-scheme: dark", "findingIds": [ "F01" ] }, { "type": "screenshot", "path": "evidence/high-contrast.png", "caption": "Homepage under increased contrast preference", "condition": "prefers-contrast: more", "findingIds": [] }, { "type": "screenshot", "path": "evidence/signin.png", "caption": "Seller sign-in entry page", "condition": "viewport: 1280x800", "findingIds": [ "F03" ] }, { "type": "screenshot", "path": "evidence/onboarding.png", "caption": "Seller onboarding account entry page", "condition": "viewport: 1280x800", "findingIds": [] }, { "type": "screenshot", "path": "evidence/fees.png", "caption": "Fee schedule detail archetype", "condition": "viewport: 1280x800", "findingIds": [] }, { "type": "screenshot", "path": "evidence/signin-error.png", "caption": "Sign-in invalid/empty interaction attempt", "condition": "viewport: 1280x800", "findingIds": [] }, { "type": "layout", "path": "evidence/layout-desktop.json", "caption": "Desktop layout, CLS, overflow, and long-task observation", "condition": "default viewport", "findingIds": [ "F04", "F07", "F11" ] }, { "type": "layout", "path": "evidence/layout-mobile.json", "caption": "Mobile layout, scale, CLS, and overflow observation", "condition": "viewport: 390x844", "findingIds": [ "F07", "F10", "F11", "F16" ] }, { "type": "trace", "path": "evidence/load-trace.json", "caption": "DevTools load trace", "condition": "initial load", "findingIds": [ "F10" ] }, { "type": "trace-summary", "path": "evidence/load-trace-summary.json", "caption": "Compact trace metrics", "condition": "initial load", "findingIds": [ "F10" ] }, { "type": "har", "path": "evidence/network.har", "caption": "Initial-load network archive", "condition": "initial load", "findingIds": [ "F12", "F31" ] }, { "type": "har-summary", "path": "evidence/network-summary.json", "caption": "Compact network totals, third parties, and offenders", "condition": "initial load", "findingIds": [ "F02", "F12", "F17", "F24", "F29", "F30", "F31" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "Lighthouse performance, accessibility, best-practices, SEO, and agentic browsing audit", "condition": "mobile lab", "findingIds": [ "F05", "F06", "F10", "F12", "F13", "F15", "F17", "F18", "F19", "F20", "F26" ] }, { "type": "heap", "path": "evidence/heap-baseline.heapsnapshot", "caption": "Baseline heap summary", "condition": "after load", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-interacted.heapsnapshot", "caption": "Heap summary after repeated representative controls", "condition": "10 repetitions", "findingIds": [] }, { "type": "other", "path": "evidence/page-probe.json", "caption": "Document metadata, routes, features, and control counts", "condition": "default", "findingIds": [ "F01", "F03", "F05", "F06", "F08", "F18", "F20", "F21", "F32" ] }, { "type": "other", "path": "evidence/a11y-forms-probe.json", "caption": "Focus, touch target, form, media, and script probe", "condition": "default", "findingIds": [ "F09", "F14", "F15", "F16", "F22", "F26", "F27", "F28", "F30" ] }, { "type": "other", "path": "evidence/headers.json", "caption": "Security response-header audit", "condition": "initial load", "findingIds": [ "F23", "F25" ] }, { "type": "other", "path": "evidence/cookies.json", "caption": "Cookie security and retention audit", "condition": "initial load", "findingIds": [ "F23", "F24" ] }, { "type": "other", "path": "evidence/trackers.json", "caption": "Third-party origin inventory", "condition": "initial load", "findingIds": [ "F24", "F31" ] }, { "type": "other", "path": "evidence/secrets.json", "caption": "Client-visible secret scan", "condition": "initial load", "findingIds": [] }, { "type": "other", "path": "evidence/images.json", "caption": "Image dimensions, loading, format, and alt audit", "condition": "initial load", "findingIds": [ "F11", "F14", "F18", "F29" ] }, { "type": "other", "path": "evidence/robots-sitemap.json", "caption": "robots.txt and sitemap.xml fetch results", "condition": "crawler fetch", "findingIds": [ "F20", "F21" ] }, { "type": "other", "path": "evidence/reduced-motion-probe.json", "caption": "Animation, autoplay, and GIF state with reduced motion", "condition": "prefers-reduced-motion: reduce", "findingIds": [ "F02" ] }, { "type": "other", "path": "evidence/signin-probe.json", "caption": "Sign-in form and WebAuthn metadata", "condition": "sign-in", "findingIds": [ "F28" ] }, { "type": "other", "path": "evidence/memory-metrics.json", "caption": "DOM and resource footprint metrics", "condition": "after load", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-list.json", "caption": "Pinned Modern Web Guidance catalog metadata", "condition": "modern-web-guidance@0.0.172", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-retrieved.md", "caption": "Retrieved guidance used to set the audit bar", "condition": "modern-web-guidance@0.0.172", "findingIds": [] } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 58, "blocked": 0, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": true }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The dark-mode screenshot remains a light cream surface, and the computed root color-scheme is \"normal\" under prefers-color-scheme: dark.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/dark.png", "evidence/page-probe.json" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Under prefers-reduced-motion: reduce, three autoplay videos were paused, but both 31 MB conveyor GIFs remained present and cannot be paused by the user.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/reduced-motion-probe.json", "evidence/network-summary.json" ], "findingIds": [ "F02" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "Lighthouse accessibility audit and visual inspection under prefers-contrast: more", "evidence": "Lighthouse color-contrast passed, and the prefers-contrast: more screenshot retained visible text and controls.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/lighthouse.json", "evidence/high-contrast.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "medium", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The public page is a traditional MPA with ordinary links and custom popup state; no authored transition behavior was observed during route and state inspection.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/page-probe.json", "evidence/signin.png" ], "findingIds": [ "F03" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from page recon", "evidence": "No parallax, scrollytelling, reveal, or other scroll-linked motion was present; the probe found zero non-auto animation timelines.", "reason": "No parallax, scrollytelling, reveal, or other scroll-linked motion was present; the probe found zero non-auto animation timelines." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from page recon", "evidence": "No gesture-driven carousel, swipe action, pull-to-reveal interaction, or custom pointer gesture was present on the representative public paths.", "reason": "No gesture-driven carousel, swipe action, pull-to-reveal interaction, or custom pointer gesture was present on the representative public paths." }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "medium", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The page is about 6,651 CSS pixels tall, but visual inspection showed static chrome and no progress or scroll-state affordance.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/layout-desktop.json", "evidence/mobile.png" ], "findingIds": [ "F04" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The DOM contained no dialog or popover elements, while Lighthouse identified custom .popup and .popover containers with close anchors.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/lighthouse.json", "evidence/page-probe.json" ], "findingIds": [ "F05" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "First-viewport screenshots and keyboard focus probe", "evidence": "The hero establishes a clear reading order, repeated Start selling actions are visually prominent, and focused controls retain visible outlines.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/dark.png", "evidence/a11y-forms-probe.json" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "pass", "confidence": "high", "method": "Initial-load screenshots across representative paths", "evidence": "Desktop, mobile, sign-in, and onboarding screenshots loaded without a content-obscuring modal or consent wall.", "pathIds": [ "homepage", "signin", "onboarding" ], "artifacts": [ "evidence/discoverability-rendered.png", "evidence/mobile.png", "evidence/signin.png", "evidence/onboarding.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Lighthouse found multiple anchor elements used as popup close controls, and the DOM probe found no dialog or popover primitives.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/lighthouse.json", "evidence/page-probe.json" ], "findingIds": [ "F06" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "Desktop and mobile screenshot review", "evidence": "The first viewport gives most space to the offer, product image, and primary action; navigation chrome is compact.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/dark.png", "evidence/mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "No viewport meta tag is present. At a 390x844 device viewport Chrome laid out a roughly 1001px page and scaled it to 0.39; desktop layout also overflowed by 220px.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/mobile.png", "evidence/layout-mobile.json", "evidence/layout-desktop.json" ], "findingIds": [ "F07" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "medium", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The CSS probe found no @container rules even though cards and tabbed content are reused at materially different widths.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/page-probe.json", "evidence/mobile.png" ], "findingIds": [ "F08" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The probe found the Log in and Explore now links at 24px high, numerous footer links at 19 to 22px, and radio inputs at 13px; focus indicators were visible.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/a11y-forms-probe.json", "evidence/mobile.png" ], "findingIds": [ "F09" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "First-viewport screenshot and heading/link probe", "evidence": "The H1 states the fee offer, and Start selling and Log in actions are prominent in both desktop and mobile first viewports.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/dark.png", "evidence/mobile.png", "evidence/page-probe.json" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "high", "method": "Navigation walkthrough to sign-in, onboarding, and fee detail paths", "evidence": "The public acquisition flow provides direct Start selling, Log in, and pricing links; each reached a coherent dedicated entry page without a dead end.", "pathIds": [ "homepage", "signin", "onboarding", "fees" ], "artifacts": [ "evidence/signin.png", "evidence/onboarding.png", "evidence/fees.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "Sign-in/onboarding screenshot review plus Lighthouse/network failure observation", "evidence": "Sign-in and onboarding retain Need help and alternate account actions, while the homepage remained usable when an analytics XHR failed.", "pathIds": [ "homepage", "signin", "onboarding" ], "artifacts": [ "evidence/signin.png", "evidence/onboarding.png", "evidence/lighthouse.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Lighthouse measured 5.7s LCP and 0.199 CLS. The mobile layout observer measured CLS 0.674; trace TBT was low at 19.76ms.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/lighthouse.json", "evidence/layout-mobile.json", "evidence/load-trace-summary.json", "evidence/load-trace.json" ], "findingIds": [ "F10" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Layout observation recorded CLS 0.245 desktop and 0.674 mobile; 24 of 25 images lacked explicit dimensions.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/layout-desktop.json", "evidence/layout-mobile.json", "evidence/images.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "DevTools trace and Lighthouse performance audit", "evidence": "The trace found one 69.76ms long task and only 19.76ms total blocking time; Lighthouse TBT was 70ms.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/load-trace-summary.json", "evidence/lighthouse.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The HAR recorded 73.65 MB transferred, including two GIFs of about 31 MB each, plus three parser-inserted stylesheets; the page still reached 5.7s Lighthouse LCP.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/network.har", "evidence/network-summary.json", "evidence/lighthouse.json" ], "findingIds": [ "F12" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Lighthouse estimated 126 KiB unused JavaScript and 49 KiB unused CSS, with assets-Sell.css 91.2% unused.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The form probe found required text, email, and phone controls with no associated label and empty autocomplete, plus a visible email field named only by placeholder.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/a11y-forms-probe.json", "evidence/images.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "pass", "confidence": "high", "method": "Lighthouse contrast audit and visual review", "evidence": "Lighthouse color-contrast audit passed and the high-contrast screenshot remained legible.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/lighthouse.json", "evidence/high-contrast.png" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Lighthouse flagged an H5, \"What do you want to learn more about?\", that skips the logical heading sequence; focus outlines were otherwise visible.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/lighthouse.json", "evidence/a11y-forms-probe.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "Visual review across desktop and mobile", "evidence": "Screenshots show readable, left-aligned text, strong hierarchy, and no text clipping on the inspected desktop and mobile views.", "pathIds": [ "homepage", "signin" ], "artifacts": [ "evidence/dark.png", "evidence/mobile.png", "evidence/signin.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "At a 390px device width the browser rendered a 1001px layout at 0.39 scale. Three autoplay videos also had no caption tracks, although they appeared decorative and muted.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/layout-mobile.json", "evidence/mobile.png", "evidence/a11y-forms-probe.json" ], "findingIds": [ "F16" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Lighthouse captured a blocked sadobe.sell.amazon.in XMLHttpRequest and net::ERR_FAILED console error.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/lighthouse.json", "evidence/network-summary.json" ], "findingIds": [ "F17" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The document has HTML doctype and UTF-8, but 24 of 25 images lacked explicit dimensions, seven were oversized, and six used legacy formats.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/page-probe.json", "evidence/images.json", "evidence/lighthouse.json" ], "findingIds": [ "F18" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Lighthouse reported four BFCache failure reasons, including cache-control:no-store and an unload handler, and 404 source maps.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "F19" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "Rendered metadata probe plus no-JavaScript discoverability comparison", "evidence": "The raw and rendered page expose a descriptive title and a detailed meta description.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/page-probe.json", "evidence/discoverability.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Lighthouse found multiple anchors without usable href values; the DOM probe counted 11 empty/hash hrefs, and no viewport meta tag exists. Robots permits the homepage.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/lighthouse.json", "evidence/page-probe.json", "evidence/robots-sitemap.json" ], "findingIds": [ "F20" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The page returns 200, declares index/follow and a canonical URL, but /sitemap.xml returns 404 and no hreflang links were observed for the localized en-IN page.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/page-probe.json", "evidence/robots-sitemap.json" ], "findingIds": [ "F21" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "medium", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The probe found six Open Graph tags but zero JSON-LD blocks on a page representing Amazon Seller Central and its commercial offer.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/a11y-forms-probe.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Headers show HTTPS and HSTS but no CSP. Cookie inspection flagged 14 cookies without Secure and auth-like session-id/session-token cookies without HttpOnly.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F23" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The HAR found 81 of 86 requests and 73.49 MB on non-page origins; tracker inspection found 14 third-party origins including Demdex and Everest, and long-lived analytics cookies.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/network-summary.json", "evidence/trackers.json", "evidence/cookies.json" ], "findingIds": [ "F24" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "high", "method": "Lighthouse permission audits and sign-in authentication probe", "evidence": "Lighthouse found no geolocation or notification prompt on load, and the sign-in DOM contains WebAuthn/passkey parameters with autocomplete=webauthn.", "pathIds": [ "homepage", "signin" ], "artifacts": [ "evidence/lighthouse.json", "evidence/signin-probe.json" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "HSTS and X-Frame-Options are present, but the headers probe found no CSP, Referrer-Policy, or Permissions-Policy.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F25" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "high", "method": "Discoverability no-JavaScript fetch and screenshot comparison", "evidence": "The raw HTML contained 100% of rendered content words, with title, H1, and meta description present without JavaScript; the crawler screenshot remained complete.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/discoverability.json", "evidence/discoverability-rendered.png", "evidence/discoverability-crawler.png" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The page uses custom .popup/.popover containers and 11 empty/hash hrefs; Lighthouse found multiple href-less close anchors.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/lighthouse.json", "evidence/a11y-forms-probe.json" ], "findingIds": [ "F26" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from page recon", "evidence": "This is a public marketing and authentication entry surface, not an installable application; recon found no manifest or controlling service worker, and offline installation is not required for its core purpose.", "reason": "This is a public marketing and authentication entry surface, not an installable application; recon found no manifest or controlling service worker, and offline installation is not required for its core purpose." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "Observed failed request correlated with rendered screenshots and DOM", "evidence": "A cross-origin analytics request failed during the audited load, but the complete hero, navigation, forms, and primary actions still rendered and remained usable.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/network-summary.json", "evidence/discoverability-rendered.png" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "high", "method": "DOM metadata and visual language-control inspection", "evidence": "The document declares lang=en-IN and dir=ltr and exposes a visible preferred-language control; the localized page retained coherent reading order.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/page-probe.json", "evidence/mobile.png" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "high", "method": "Rendered text and screenshots under the declared en-IN locale", "evidence": "Visible commercial data uses India-appropriate crore notation, rupee symbols, and en-IN language conventions.", "pathIds": [ "homepage", "fees" ], "artifacts": [ "evidence/page-probe.json", "evidence/fees.png" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from page recon", "evidence": "The representative public pages contain no scheduled event, user-entered time, recurring interval, or time-zone-sensitive workflow.", "reason": "The representative public pages contain no scheduled event, user-entered time, recurring interval, or time-zone-sensitive workflow." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "Visual walkthrough of marketing, pricing, sign-in, and onboarding paths", "evidence": "Pricing claims, effective date, sign-in, registration, and primary actions are plainly labelled; no consent wall, confirmshaming, or forced continuity appeared.", "pathIds": [ "homepage", "fees", "signin", "onboarding" ], "artifacts": [ "evidence/dark.png", "evidence/fees.png", "evidence/signin.png", "evidence/onboarding.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Several required controls have no associated labels, and the visible email field relies on a placeholder; no error-announcement relationship was observed in the form probe.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/a11y-forms-probe.json" ], "findingIds": [ "F27" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Required text, email, and phone fields on the landing page all expose an empty autocomplete value; sign-in correctly uses autocomplete=webauthn.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/a11y-forms-probe.json", "evidence/signin-probe.json" ], "findingIds": [ "F28" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "pass", "confidence": "high", "method": "Pricing, sign-in, and onboarding walkthrough", "evidence": "Pricing commitments are visible on the fee page, account entry clearly separates sign-in and account creation, and the sign-in markup includes WebAuthn/passkey support.", "pathIds": [ "fees", "signin", "onboarding" ], "artifacts": [ "evidence/fees.png", "evidence/signin.png", "evidence/onboarding.png", "evidence/signin-probe.json" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The load transferred 73.65 MB: two animated GIFs alone were 31.1 MB and 31.0 MB. Seven images were oversized, 24 lacked dimensions, and 13 below-fold images were not lazy loaded.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/network-summary.json", "evidence/images.json" ], "findingIds": [ "F29" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Three muted videos are marked autoplay, two huge animated GIFs load automatically, and 81 third-party requests occurred during the initial page load.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/a11y-forms-probe.json", "evidence/network-summary.json" ], "findingIds": [ "F30" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "Third-party origins transferred 73.49 MB; images used 65.75 MB and media 6.39 MB before the user requested video playback.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/network.har", "evidence/network-summary.json", "evidence/trackers.json" ], "findingIds": [ "F31" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "medium", "method": "Rendered DOM, visual inspection, and objective probes", "evidence": "The commerce onboarding surface has standard links and forms but no WebMCP or agentic-tool registration was observed; raw content is crawler-visible.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/page-probe.json", "evidence/discoverability.json" ], "findingIds": [ "F32" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from page recon", "evidence": "No summarization, translation of user content, or other inference-heavy task on these public entry pages would clearly benefit from an on-device model.", "reason": "No summarization, translation of user content, or other inference-heavy task on these public entry pages would clearly benefit from an on-device model." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "high", "method": "Memory-tracer baseline and post-interaction heap-summary comparison", "evidence": "After repeated activation of the representative tab/button controls, heap self-size was 14.63 MB versus a 13.85 MB cold baseline; this modest cross-session difference did not show unbounded growth.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-interacted.heapsnapshot" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "pass", "confidence": "high", "method": "Heap summary plus DOM footprint probe", "evidence": "The interacted heap summary reported 235,924 nodes and 14.63 MB self-size for a 1,071-element media-rich page, a proportionate current footprint.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/heap-interacted.heapsnapshot", "evidence/memory-metrics.json" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "high", "method": "Before/after heap constructor and total comparison", "evidence": "Detached constructors did not appear among the heap summary top constructors, and repeated interaction produced only modest total growth; no strong detached-DOM or accumulation signal was observed.", "pathIds": [ "homepage" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-interacted.heapsnapshot" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F01", "F02" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F03" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F04", "F05" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F06" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F07", "F08", "F09" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "pass" }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F10", "F11", "F12", "F13" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F14", "F15", "F16" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F17", "F18", "F19" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F20", "F21", "F22" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F23", "F24", "F25" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F26" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F27", "F28" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F29", "F30", "F31" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "F32" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "homepage", "description": "Public acquisition homepage and long-form marketing template; primary recon and global quality surface.", "url": "https://sellercentral.amazon.in/", "conditions": [ "desktop", "viewport: 390x844", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "prefers-contrast: more", "JavaScript disabled" ], "result": "issues" }, { "id": "signin", "description": "Existing-seller authentication entry, representing identity, recovery, and modern-auth handling.", "url": "https://sellercentral.amazon.in/signin", "conditions": [ "viewport: 1280x800", "empty submission attempt" ], "result": "pass" }, { "id": "onboarding", "description": "Start-selling handoff, representing new-account entry and primary conversion continuity.", "url": "https://sellercentral.amazon.in/seller/onboarding", "conditions": [ "viewport: 1280x800" ], "result": "pass" }, { "id": "fees", "description": "Public fee-schedule detail page on sell.amazon.in, representing pricing/content detail reached from the hero.", "url": "https://sell.amazon.in/fees-and-pricing/fee-schedule", "conditions": [ "viewport: 1280x800" ], "result": "pass" } ], "findings": [ { "id": "F01", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "The public landing page does not honor the system dark theme.", "evidence": "The dark-mode screenshot remains a light cream surface, and the computed root color-scheme is \"normal\" under prefers-color-scheme: dark.", "artifacts": [ "evidence/dark.png", "evidence/page-probe.json" ], "suggestedFix": "Declare light and dark color schemes at the root and provide adaptive surface and text tokens.", "effort": "medium" }, { "id": "F02", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Reduced-motion users still receive large animated GIFs.", "evidence": "Under prefers-reduced-motion: reduce, three autoplay videos were paused, but both 31 MB conveyor GIFs remained present and cannot be paused by the user.", "artifacts": [ "evidence/reduced-motion-probe.json", "evidence/network-summary.json" ], "suggestedFix": "Replace animated GIFs with controllable video or static alternatives and swap to static assets under prefers-reduced-motion.", "effort": "medium" }, { "id": "F03", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "cross-document-transitions", "guidanceCategory": "user-experience", "severity": "low", "confidence": "medium", "summary": "Page and state changes do not expose an authored transition treatment.", "evidence": "The public page is a traditional MPA with ordinary links and custom popup state; no authored transition behavior was observed during route and state inspection.", "artifacts": [ "evidence/page-probe.json", "evidence/signin.png" ], "suggestedFix": "Use cross-document View Transitions for key public-page navigation and same-document transitions for major state changes, with reduced-motion handling.", "effort": "medium" }, { "id": "F04", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "scroll-progress-indicator", "guidanceCategory": "user-experience", "severity": "low", "confidence": "medium", "summary": "The very long landing page has no scroll-position feedback.", "evidence": "The page is about 6,651 CSS pixels tall, but visual inspection showed static chrome and no progress or scroll-state affordance.", "artifacts": [ "evidence/layout-desktop.json", "evidence/mobile.png" ], "suggestedFix": "Add a lightweight scroll progress or position-aware affordance for this long page, implemented with scroll-state queries where supported.", "effort": "medium" }, { "id": "F05", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "provide-guided-navigation", "principleCheckId": "anchored-positioning", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Popup and popover UI is built from custom div containers.", "evidence": "The DOM contained no dialog or popover elements, while Lighthouse identified custom .popup and .popover containers with close anchors.", "artifacts": [ "evidence/lighthouse.json", "evidence/page-probe.json" ], "suggestedFix": "Migrate transient overlays to native popover or dialog primitives, use declarative invoker commands, and use anchor positioning for tethered UI.", "effort": "medium" }, { "id": "F06", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Dismissible overlays use links and custom containers rather than native primitives.", "evidence": "Lighthouse found multiple anchor elements used as popup close controls, and the DOM probe found no dialog or popover primitives.", "artifacts": [ "evidence/lighthouse.json", "evidence/page-probe.json" ], "suggestedFix": "Use button invokers with dialog or popover and native dismiss behavior instead of href-less close anchors.", "effort": "medium" }, { "id": "F07", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "fluid-scaling", "guidanceCategory": "user-experience", "severity": "high", "confidence": "high", "summary": "Mobile rendering depends on browser shrink-to-fit instead of a responsive viewport.", "evidence": "No viewport meta tag is present. At a 390x844 device viewport Chrome laid out a roughly 1001px page and scaled it to 0.39; desktop layout also overflowed by 220px.", "artifacts": [ "evidence/mobile.png", "evidence/layout-mobile.json", "evidence/layout-desktop.json" ], "suggestedFix": "Add a width=device-width, initial-scale=1 viewport meta tag, then make hero, media, and content widths intrinsic and re-test at narrow widths.", "effort": "large" }, { "id": "F08", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "user-experience", "severity": "low", "confidence": "medium", "summary": "Reused content components do not use component-level containment.", "evidence": "The CSS probe found no @container rules even though cards and tabbed content are reused at materially different widths.", "artifacts": [ "evidence/page-probe.json", "evidence/mobile.png" ], "suggestedFix": "Establish inline-size containers for reusable card and tab regions and adapt them with container queries, retaining media-query fallbacks.", "effort": "medium" }, { "id": "F09", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Many visible interactive targets are substantially shorter than 44px.", "evidence": "The probe found the Log in and Explore now links at 24px high, numerous footer links at 19 to 22px, and radio inputs at 13px; focus indicators were visible.", "artifacts": [ "evidence/a11y-forms-probe.json", "evidence/mobile.png" ], "suggestedFix": "Increase touch hit areas to at least 44 by 44 CSS pixels while retaining visible focus and non-hover access.", "effort": "medium" }, { "id": "F10", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Lab loading performance and visual stability miss good thresholds.", "evidence": "Lighthouse measured 5.7s LCP and 0.199 CLS. The mobile layout observer measured CLS 0.674; trace TBT was low at 19.76ms.", "artifacts": [ "evidence/lighthouse.json", "evidence/layout-mobile.json", "evidence/load-trace-summary.json", "evidence/load-trace.json" ], "suggestedFix": "Prioritize the LCP asset, reserve media space, remove oversized animated payloads, and validate LCP/CLS on mobile.", "effort": "large" }, { "id": "F11", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-fast-and-stable", "principleCheckId": "visual-stability", "guidanceId": "performance", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Late media and layout changes cause visible instability.", "evidence": "Layout observation recorded CLS 0.245 desktop and 0.674 mobile; 24 of 25 images lacked explicit dimensions.", "artifacts": [ "evidence/layout-desktop.json", "evidence/layout-mobile.json", "evidence/images.json" ], "suggestedFix": "Set width and height or aspect-ratio on all images and media and reserve stable space for dynamic sections.", "effort": "large" }, { "id": "F12", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-image-priority", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Resource delivery is dominated by huge animated and media assets.", "evidence": "The HAR recorded 73.65 MB transferred, including two GIFs of about 31 MB each, plus three parser-inserted stylesheets; the page still reached 5.7s Lighthouse LCP.", "artifacts": [ "evidence/network.har", "evidence/network-summary.json", "evidence/lighthouse.json" ], "suggestedFix": "Replace GIFs with efficient video/static alternatives, lazy-load below-fold media, optimize LCP priority, and reduce render-blocking CSS.", "effort": "large" }, { "id": "F13", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "severity": "medium", "confidence": "high", "summary": "The page ships avoidable unused JavaScript and CSS.", "evidence": "Lighthouse estimated 126 KiB unused JavaScript and 49 KiB unused CSS, with assets-Sell.css 91.2% unused.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Split route/component assets, remove dead styles, and conditionally load analytics and feature code.", "effort": "medium" }, { "id": "F14", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "Several marketing and feedback form controls lack durable programmatic labels.", "evidence": "The form probe found required text, email, and phone controls with no associated label and empty autocomplete, plus a visible email field named only by placeholder.", "artifacts": [ "evidence/a11y-forms-probe.json", "evidence/images.json" ], "suggestedFix": "Add explicit label elements and names for every visible control; keep decorative images alt-empty and meaningful images descriptive.", "effort": "large" }, { "id": "F15", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Heading order is invalid in a lower-page learning section.", "evidence": "Lighthouse flagged an H5, \"What do you want to learn more about?\", that skips the logical heading sequence; focus outlines were otherwise visible.", "artifacts": [ "evidence/lighthouse.json", "evidence/a11y-forms-probe.json" ], "suggestedFix": "Use headings in a logical hierarchy and retain the existing visible focus treatment.", "effort": "medium" }, { "id": "F16", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "severity": "high", "confidence": "high", "summary": "The missing viewport declaration undermines mobile reflow and zoom behavior.", "evidence": "At a 390px device width the browser rendered a 1001px layout at 0.39 scale. Three autoplay videos also had no caption tracks, although they appeared decorative and muted.", "artifacts": [ "evidence/layout-mobile.json", "evidence/mobile.png", "evidence/a11y-forms-probe.json" ], "suggestedFix": "Add a responsive viewport, reflow content at narrow widths, enlarge targets, and provide captions or explicit decorative treatment for meaningful media.", "effort": "large" }, { "id": "F17", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "The page logs a CORS failure during a normal load.", "evidence": "Lighthouse captured a blocked sadobe.sell.amazon.in XMLHttpRequest and net::ERR_FAILED console error.", "artifacts": [ "evidence/lighthouse.json", "evidence/network-summary.json" ], "suggestedFix": "Fix the analytics endpoint CORS configuration or avoid issuing the request when it cannot succeed.", "effort": "medium" }, { "id": "F18", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "Image sizing and document asset hygiene are weak despite valid doctype and charset.", "evidence": "The document has HTML doctype and UTF-8, but 24 of 25 images lacked explicit dimensions, seven were oversized, and six used legacy formats.", "artifacts": [ "evidence/page-probe.json", "evidence/images.json", "evidence/lighthouse.json" ], "suggestedFix": "Preserve the valid document metadata while adding intrinsic dimensions, responsive sources, and optimized formats.", "effort": "medium" }, { "id": "F19", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "The page is ineligible for BFCache and references missing source maps.", "evidence": "Lighthouse reported four BFCache failure reasons, including cache-control:no-store and an unload handler, and 404 source maps.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Remove avoidable unload handlers, review no-store usage on the public landing page, and deploy valid source maps.", "effort": "medium" }, { "id": "F20", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "html", "severity": "high", "confidence": "high", "summary": "The page has uncrawlable controls and lacks a mobile viewport declaration.", "evidence": "Lighthouse found multiple anchors without usable href values; the DOM probe counted 11 empty/hash hrefs, and no viewport meta tag exists. Robots permits the homepage.", "artifacts": [ "evidence/lighthouse.json", "evidence/page-probe.json", "evidence/robots-sitemap.json" ], "suggestedFix": "Use buttons for actions, real destination hrefs for navigation, and add a responsive viewport declaration.", "effort": "large" }, { "id": "F21", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-discoverable", "principleCheckId": "canonical-and-indexing-signals", "guidanceId": "html", "guidanceCategory": "html", "severity": "medium", "confidence": "high", "summary": "Indexing signals are only partially complete.", "evidence": "The page returns 200, declares index/follow and a canonical URL, but /sitemap.xml returns 404 and no hreflang links were observed for the localized en-IN page.", "artifacts": [ "evidence/page-probe.json", "evidence/robots-sitemap.json" ], "suggestedFix": "Publish a sitemap for public content and connect localized variants with hreflang while retaining canonical and robots consistency.", "effort": "medium" }, { "id": "F22", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "guidanceCategory": "html", "severity": "low", "confidence": "medium", "summary": "Share metadata exists but rich structured data is absent.", "evidence": "The probe found six Open Graph tags but zero JSON-LD blocks on a page representing Amazon Seller Central and its commercial offer.", "artifacts": [ "evidence/a11y-forms-probe.json" ], "suggestedFix": "Add accurate Organization or Service structured data that matches visible content and keep Open Graph metadata aligned.", "effort": "medium" }, { "id": "F23", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "Transport is HTTPS, but CSP and cookie protections are incomplete.", "evidence": "Headers show HTTPS and HSTS but no CSP. Cookie inspection flagged 14 cookies without Secure and auth-like session-id/session-token cookies without HttpOnly.", "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "suggestedFix": "Deploy a restrictive CSP and set Secure, HttpOnly, and appropriate SameSite attributes on cookies, especially session-like values.", "effort": "large" }, { "id": "F24", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "privacy", "severity": "high", "confidence": "high", "summary": "The public landing page has a broad telemetry and third-party footprint.", "evidence": "The HAR found 81 of 86 requests and 73.49 MB on non-page origins; tracker inspection found 14 third-party origins including Demdex and Everest, and long-lived analytics cookies.", "artifacts": [ "evidence/network-summary.json", "evidence/trackers.json", "evidence/cookies.json" ], "suggestedFix": "Audit every telemetry vendor, remove nonessential collection, shorten retention, batch events, and defer consent-dependent analytics.", "effort": "large" }, { "id": "F25", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "severity": "high", "confidence": "high", "summary": "Several browser-enforced defensive policies are missing.", "evidence": "HSTS and X-Frame-Options are present, but the headers probe found no CSP, Referrer-Policy, or Permissions-Policy.", "artifacts": [ "evidence/headers.json" ], "suggestedFix": "Add CSP with frame-ancestors, a strict Referrer-Policy, and a least-privilege Permissions-Policy; evaluate Trusted Types for XSS-sensitive paths.", "effort": "large" }, { "id": "F26", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-resilient", "principleCheckId": "resilient-runtime-behaviour", "guidanceId": "persistent-top-layer-ui", "guidanceCategory": "user-experience", "severity": "medium", "confidence": "high", "summary": "Custom overlay controls are brittle and some links have no navigation destination.", "evidence": "The page uses custom .popup/.popover containers and 11 empty/hash hrefs; Lighthouse found multiple href-less close anchors.", "artifacts": [ "evidence/lighthouse.json", "evidence/a11y-forms-probe.json" ], "suggestedFix": "Use native dialog/popover behavior and buttons for actions so focus, dismissal, and runtime state remain robust.", "effort": "medium" }, { "id": "F27", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-trustworthy", "principleCheckId": "humane-error-handling", "guidanceId": "accessible-error-announcement", "guidanceCategory": "accessibility", "severity": "medium", "confidence": "high", "summary": "Marketing forms lack the semantics needed for humane, accessible validation.", "evidence": "Several required controls have no associated labels, and the visible email field relies on a placeholder; no error-announcement relationship was observed in the form probe.", "artifacts": [ "evidence/a11y-forms-probe.json" ], "suggestedFix": "Add persistent labels, constraints, aria-describedby error text, and validation after interaction with accessible announcement.", "effort": "medium" }, { "id": "F28", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-trustworthy", "principleCheckId": "trustworthy-input-assistance", "guidanceId": "forms", "guidanceCategory": "forms", "severity": "medium", "confidence": "high", "summary": "Marketing forms omit autocomplete assistance.", "evidence": "Required text, email, and phone fields on the landing page all expose an empty autocomplete value; sign-in correctly uses autocomplete=webauthn.", "artifacts": [ "evidence/a11y-forms-probe.json", "evidence/signin-probe.json" ], "suggestedFix": "Add standard autocomplete tokens such as email, tel, and name, plus suitable inputmode and enterkeyhint values.", "effort": "medium" }, { "id": "F29", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Asset delivery is grossly disproportionate for a marketing page.", "evidence": "The load transferred 73.65 MB: two animated GIFs alone were 31.1 MB and 31.0 MB. Seven images were oversized, 24 lacked dimensions, and 13 below-fold images were not lazy loaded.", "artifacts": [ "evidence/network-summary.json", "evidence/images.json" ], "suggestedFix": "Replace GIFs, create responsive AVIF/WebP variants, add srcset/sizes and dimensions, and lazy-load below-fold assets.", "effort": "large" }, { "id": "F30", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "efficient-background-processing", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Large autoplay and telemetry work begins without user intent.", "evidence": "Three muted videos are marked autoplay, two huge animated GIFs load automatically, and 81 third-party requests occurred during the initial page load.", "artifacts": [ "evidence/a11y-forms-probe.json", "evidence/network-summary.json" ], "suggestedFix": "Use static posters by default, load media after intent or viewport proximity, and defer or batch nonessential telemetry.", "effort": "large" }, { "id": "F31", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "performance", "severity": "high", "confidence": "high", "summary": "Third-party and media budgets are far beyond the page value delivered.", "evidence": "Third-party origins transferred 73.49 MB; images used 65.75 MB and media 6.39 MB before the user requested video playback.", "artifacts": [ "evidence/network.har", "evidence/network-summary.json", "evidence/trackers.json" ], "suggestedFix": "Set an explicit page-weight budget, defer media, replace animated GIFs, and remove low-value third-party requests.", "effort": "large" }, { "id": "F32", "pathId": "homepage", "url": "https://sellercentral.amazon.in/", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "guidanceCategory": "webmcp", "severity": "low", "confidence": "medium", "summary": "Seller registration and support capabilities are not exposed as structured agent tools.", "evidence": "The commerce onboarding surface has standard links and forms but no WebMCP or agentic-tool registration was observed; raw content is crawler-visible.", "artifacts": [ "evidence/page-probe.json", "evidence/discoverability.json" ], "suggestedFix": "Treat this as an emerging opportunity: expose narrowly scoped, confirmation-gated seller help or registration tools with WebMCP.", "effort": "medium" } ], "taskList": [ { "id": "T01", "title": "Replace the 62 MB of animated GIFs and defer below-fold media", "priority": 1, "findingIds": [ "F10", "F11", "F12", "F13", "F29", "F30", "F31" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T02", "title": "Add the responsive viewport and repair mobile reflow", "priority": 2, "findingIds": [ "F07", "F08", "F09", "F14", "F15", "F16", "F20", "F21", "F22" ], "guidanceId": "fluid-scaling", "status": "open" }, { "id": "T03", "title": "Reserve image and media dimensions to eliminate CLS", "priority": 3, "findingIds": [ "F10", "F11", "F12", "F13", "F17", "F18", "F19" ], "guidanceId": "performance", "status": "open" }, { "id": "T04", "title": "Harden CSP, browser policies, and cookie attributes", "priority": 4, "findingIds": [ "F23", "F24", "F25" ], "guidanceId": "security", "status": "open" }, { "id": "T05", "title": "Reduce and consent-gate telemetry and third-party collection", "priority": 5, "findingIds": [ "F23", "F24", "F25", "F29", "F30", "F31" ], "guidanceId": "privacy", "status": "open" }, { "id": "T06", "title": "Label forms and add autocomplete and humane validation", "priority": 6, "findingIds": [ "F14", "F15", "F16", "F27", "F28" ], "guidanceId": "forms", "status": "open" }, { "id": "T07", "title": "Replace custom popup links with native dialog/popover controls", "priority": 7, "findingIds": [ "F04", "F05", "F06", "F26" ], "guidanceId": "declarative-dialog-popover-control", "status": "open" }, { "id": "T08", "title": "Fix crawlability, sitemap, hreflang, and structured data", "priority": 8, "findingIds": [ "F20", "F21", "F22" ], "guidanceId": "html", "status": "open" }, { "id": "T09", "title": "Remove console, BFCache, source-map, and unused-code problems", "priority": 9, "findingIds": [ "F10", "F11", "F12", "F13", "F17", "F18", "F19" ], "guidanceId": "html", "status": "open" }, { "id": "T10", "title": "Add user-preference theming and static reduced-motion alternatives", "priority": 10, "findingIds": [ "F01", "F02" ], "guidanceId": "dark-mode", "status": "open" } ], "budget": { "wallClockSeconds": 1800, "pathCount": 4, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-20T17-29-25-692Z" }