{ "url": "https://s.shopee.co.id", "auditedAt": "2026-07-21T17:28:54.499Z", "mode": "report", "status": "completed", "statusDetail": "The requested bare short-link host consistently redirected to https://shope.ee/error_page. The audit therefore covers that reachable invalid-link error surface; no valid tokenized destination, catalog, checkout, or account flow was supplied.", "page": { "appType": "spa", "framework": "React-like SPA", "notes": "The entry URL 307 redirects cross-domain to a client-rendered generic error page." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "layout-metrics", "discoverability", "trace", "har", "lighthouse", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "curl robots/sitemap" ], "guidanceConsulted": [ "dark-mode", "component-specific-light-dark-theme", "accessibility", "adapt-scrollbar-to-contrast-preferences", "same-document-transitions", "cross-document-transitions", "group-element-transitions", "faster-spa-view-transitions", "scrollytelling", "parallax-scroll-effects", "scroll-entry-exit-effects", "carousel-slide-effects", "physics-based-easing", "individual-transform-properties", "animate-element-entry-exit", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "dynamic-sibling-animations", "interactive-content-reveal", "pull-to-reveal", "swipe-to-remove", "shrinking-header-on-scroll", "scroll-progress-indicator", "scroll-position-aware-elements", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "soft-edge-content-fade", "scrollability-affordance-hints", "anchor-positioning-tab-underline", "position-aware-tooltips", "interest-triggered-tooltips", "interest-triggered-action-previews", "directional-navigation-transitions", "carousel-snap-highlights", "navigation-drawer", "stack-drill-down", "persistent-app-tours", "persistent-toast-notifications", "light-dismiss-a-dialog", "platform-controls-dismiss-dialog", "declarative-dialog-popover-control", "animated-select-picker", "branded-select-styling", "brand-consistent-forms", "custom-select-picker-layouts", "rich-media-picker", "complex-shapes", "shaped-cutouts", "overflow-clipping-control", "visually-texture-content", "apply-webgl-shaders", "interactive-content-in-3d-scenes", "highlight-text-ranges", "prevent-text-wrapping", "customize-scrollbar-color-and-thickness", "export-html-media-from-canvas", "fluid-scaling", "calculate-with-intrinsic-sizes", "css-layout", "size-aware-styling", "content-based-styling", "child-state-based-styling", "design-token-reactivity", "dynamic-sibling-styling", "form-fields-automatically-fit-contents", "improve-text-layout-and-legibility", "forms", "accessible-error-announcement", "required-field-feedback", "validate-input-after-interaction", "identify-inp-causes", "schedule-tasks-by-priority", "optimize-preload-priority", "improve-next-page-load-performance", "interactions-in-complex-layouts", "performance", "visually-stable-font-fallbacks", "break-up-long-tasks", "identify-heavy-scripts", "optimize-script-priority", "defer-rendering-heavy-content", "defer-work-until-scroll-ends", "optimize-image-priority", "conditional-async-dependencies", "expose-canvas-content-to-browser-features", "move-dom-element-without-losing-state", "precise-text-alignment", "visually-stable-mixed-fonts", "css", "html", "reduce-style-repetition", "security", "privacy", "batch-analytics-events", "full-session-analytics", "calculate-total-foreground-time", "passkeys", "passkey-registration", "passkey-authentication", "passkey-reauthentication", "passkey-conditional-create", "passkey-management", "flicker-free-client-side-ab-testing", "consistent-cross-document-transitions", "stabilize-reactive-state", "resilient-context-menus-and-nested-dropdowns", "persistent-top-layer-ui", "detect-initial-visibility-state", "sequence-distributed-events", "translator", "language-detection", "support-global-calendar-systems", "capture-location-agnostic-data", "format-human-readable-durations", "manage-recurring-intervals", "calculate-event-differentials", "coordinate-global-events", "model-partial-time-concepts", "search-hidden-content", "select-menu-interaction", "style-parent-with-has", "autofill-address-form", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "autofill-highlight-inputs", "deliver-optimized-decorative-images", "resolution-optimized-pseudo-elements", "deprioritize-background-fetches", "efficient-background-processing", "webmcp", "agentic-forms", "agentic-javascript-tools", "language-model", "summarizer" ], "artifacts": [ { "type": "other", "path": "evidence/app.css", "caption": "app", "findingIds": [] }, { "type": "other", "path": "evidence/cookies.json", "caption": "cookies", "findingIds": [] }, { "type": "other", "path": "evidence/css-feature-scan.txt", "caption": "css feature scan", "findingIds": [] }, { "type": "other", "path": "evidence/css-probe.json", "caption": "css probe", "findingIds": [ "F001" ] }, { "type": "screenshot", "path": "evidence/dark.png", "caption": "dark", "condition": "prefers-color-scheme: dark", "findingIds": [ "F001" ] }, { "type": "discoverability", "path": "evidence/discoverability", "caption": "discoverability", "findingIds": [ "F014" ] }, { "type": "screenshot", "path": "evidence/discoverability-crawler.png", "caption": "discoverability crawler", "findingIds": [ "F014" ] }, { "type": "screenshot", "path": "evidence/discoverability-rendered.png", "caption": "discoverability rendered", "findingIds": [ "F014" ] }, { "type": "dom", "path": "evidence/dom-probe.json", "caption": "dom probe", "findingIds": [ "F002", "F004", "F006", "F009", "F010", "F011", "F015" ] }, { "type": "screenshot", "path": "evidence/forced-colors.png", "caption": "forced colors", "condition": "forced-colors: active", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-list.json", "caption": "guidance list", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-plan.json", "caption": "guidance plan", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-retrieved.md", "caption": "guidance retrieved", "findingIds": [] }, { "type": "other", "path": "evidence/headers.json", "caption": "headers", "findingIds": [ "F012", "F013" ] }, { "type": "heap", "path": "evidence/heap-baseline.heapsnapshot", "caption": "heap baseline", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop", "findingIds": [] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom", "findingIds": [ "F007", "F014" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile", "condition": "viewport: 360x800", "findingIds": [ "F002", "F015" ] }, { "type": "other", "path": "evidence/images.json", "caption": "images", "findingIds": [] }, { "type": "layout", "path": "evidence/layout-mobile.json", "caption": "layout mobile", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "lighthouse", "path": "evidence/lighthouse-summary.json", "caption": "lighthouse summary", "findingIds": [ "F003", "F004", "F005", "F006", "F007", "F008", "F009", "F010", "F016" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "lighthouse", "findingIds": [] }, { "type": "trace-summary", "path": "evidence/load-trace-summary.json", "caption": "load trace summary", "findingIds": [ "F003" ] }, { "type": "trace", "path": "evidence/load-trace.json", "caption": "load trace", "findingIds": [] }, { "type": "har-summary", "path": "evidence/network-summary.json", "caption": "network summary", "findingIds": [ "F004", "F005", "F008", "F011", "F015", "F016", "F017" ] }, { "type": "har", "path": "evidence/network.har", "caption": "network", "findingIds": [] }, { "type": "other", "path": "evidence/reduced-motion-probe.json", "caption": "reduced motion probe", "findingIds": [] }, { "type": "other", "path": "evidence/robots-headers.txt", "caption": "robots headers", "findingIds": [] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots", "findingIds": [ "F010" ] }, { "type": "other", "path": "evidence/secrets.json", "caption": "secrets", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap-headers.txt", "caption": "sitemap headers", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "sitemap", "findingIds": [ "F011" ] }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers", "findingIds": [ "F017" ] }, { "type": "other", "path": "evidence/vendors.css", "caption": "vendors", "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": "dark-mode screenshot and computed-style probe", "evidence": "Dark emulation remained a white surface with black text; computed color-scheme was normal and the CSS feature scan found no prefers-color-scheme rule.", "artifacts": [ "evidence/dark.png", "evidence/css-probe.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F001" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "high", "method": "reduced-motion evaluate probe", "evidence": "Under prefers-reduced-motion: reduce, the page exposed zero active animations and zero non-zero transitions.", "artifacts": [ "evidence/reduced-motion-probe.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "medium", "method": "forced-colors screenshot plus Lighthouse accessibility audit", "evidence": "Forced-colors rendering kept the illustration and error text visible; Lighthouse reported no color-contrast violation.", "artifacts": [ "evidence/forced-colors.png", "evidence/lighthouse-summary.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "pass", "confidence": "high", "method": "DOM interaction inventory", "evidence": "The reached static error surface has no route/state control and therefore performs no abrupt state swap; active inventory found no transition interaction to mishandle.", "artifacts": [ "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "pass", "confidence": "high", "method": "DOM/CSS and animation probes", "evidence": "The one-screen page has no scroll-linked motion or main-thread scroll animation; CSS and animation probes found no scroll animation implementation or active animation.", "artifacts": [ "evidence/css-probe.json", "evidence/reduced-motion-probe.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "high", "method": "DOM interaction inventory", "evidence": "Active inventory found no pointer-driven custom gesture, carousel, disclosure, drag target, or platform-fighting gesture handler on the static surface.", "artifacts": [ "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "pass", "confidence": "high", "method": "mobile layout and DOM probes", "evidence": "The document fits one viewport and has no navigation chrome that remains static or obscures content while scrolling.", "artifacts": [ "evidence/layout-mobile.json", "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "pass", "confidence": "high", "method": "DOM overlay inventory", "evidence": "Active inventory found no tooltip, popover, menu, dialog, or manually positioned overlay that could drift from its anchor.", "artifacts": [ "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "medium", "method": "screenshot and DOM navigation inventory", "evidence": "The one-screen error state presents a single centered message with no navigation movement or competing destination that loses the user’s attention.", "artifacts": [ "evidence/home-mobile.png", "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "pass", "confidence": "high", "method": "initial screenshots and overlay inventory", "evidence": "Desktop and mobile initial states contain only the error message; no overlay, interstitial, banner, dialog, or popover obscures it.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "not-applicable", "confidence": "high", "method": "DOM overlay inventory", "evidence": "No overlay or rich disclosure control is present.", "artifacts": [ "evidence/dom-probe.json" ], "reason": "No overlay or rich control is present." }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "desktop/mobile screenshots", "evidence": "The surface is visually sparse and gives nearly all of the viewport to the error content, with no app frame or decorative chrome.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png" ], "pathIds": [ "entry-error" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "high", "method": "mobile layout metrics and screenshot", "evidence": "At 360x800, scrollWidth and clientWidth were both 360 with 0px horizontal overflow; the message reflowed legibly.", "artifacts": [ "evidence/layout-mobile.json", "evidence/home-mobile.png" ], "pathIds": [ "entry-error" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "not-applicable", "confidence": "medium", "method": "DOM/CSS component inventory", "evidence": "The reached page has one fixed error component and no reused component shown in differently sized containers.", "artifacts": [ "evidence/dom-probe.json", "evidence/css-feature-scan.txt" ], "reason": "No reusable multi-container component is exposed on this surface." }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "not-applicable", "confidence": "high", "method": "focusable-control inventory", "evidence": "The page has zero focusable elements, links, buttons, or inputs.", "artifacts": [ "evidence/css-probe.json", "evidence/dom-probe.json" ], "reason": "No user input control exists on the reached surface." }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "medium", "method": "first-viewport screenshot and DOM text inventory", "evidence": "The visible message clearly states that the requested page cannot be found; there are no competing calls to action.", "artifacts": [ "evidence/home-mobile.png", "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "not-applicable", "confidence": "high", "method": "entry redirect and control inventory", "evidence": "The bare short-link domain contains no encoded destination or transaction flow to complete.", "artifacts": [ "evidence/network-summary.json", "evidence/dom-probe.json" ], "reason": "A short-link token or product flow was not supplied, so there is no representative end-to-end task beyond handling the invalid root URL." }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "issues", "confidence": "high", "method": "entry screenshot, redirect HAR, and control inventory", "evidence": "The page identifies a not-found state but offers no home link, retry, back action, search, or other recovery control; DOM probe found zero links and buttons.", "artifacts": [ "evidence/home-mobile.png", "evidence/network-summary.json", "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F002" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Lighthouse and trace measurements", "evidence": "Mobile Lighthouse measured LCP/FCP at 4.48s (poor LCP); the trace corroborated a slower-than-needed 1.93s LCP in the local capture. CLS and TBT were 0.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/load-trace-summary.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F003" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "layout-shift observer and Lighthouse", "evidence": "The mobile layout observer measured CLS 0 with no shifts; Lighthouse also measured CLS 0.", "artifacts": [ "evidence/layout-mobile.json", "evidence/lighthouse-summary.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "trace and layout long-task observers", "evidence": "The trace measured 0 long tasks and 0ms total blocking time; layout observation also recorded no long tasks.", "artifacts": [ "evidence/load-trace-summary.json", "evidence/layout-mobile.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "HAR summary, live script attributes, and Lighthouse insights", "evidence": "The 307 redirect adds about 1.2s; all three parser-inserted scripts lack async/defer, and Lighthouse estimated 2.07s render-blocking savings plus 197KiB cache-lifetime savings.", "artifacts": [ "evidence/network-summary.json", "evidence/dom-probe.json", "evidence/lighthouse-summary.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F004" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Lighthouse code coverage and HAR weight", "evidence": "Lighthouse estimated 134KiB unused JavaScript: 76.7% of the vendor chunk and 54.4% of React, disproportionate for a static error message.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/network-summary.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F005" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "pass", "confidence": "medium", "method": "Lighthouse accessibility and DOM inventory", "evidence": "There are no interactive controls, form fields, img or canvas elements requiring names/roles/labels; Lighthouse found no naming or role violation. The illustration is CSS decoration.", "artifacts": [ "evidence/dom-probe.json", "evidence/images.json", "evidence/lighthouse-summary.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "pass", "confidence": "medium", "method": "Lighthouse contrast audit and forced-colors screenshot", "evidence": "Lighthouse found no contrast violation, and the forced-colors capture retained visible text and illustration.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/forced-colors.png" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Lighthouse axe audit and DOM landmark/heading probe", "evidence": "Lighthouse reported no main landmark; the DOM contains no h1-h6 headings or landmarks, leaving the error message structurally unlabelled.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F006" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "mobile screenshot", "evidence": "The short error text is centered, unclipped, and comfortably readable at 360px.", "artifacts": [ "evidence/home-mobile.png" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Lighthouse meta-viewport audit and mobile layout", "evidence": "The viewport explicitly sets maximum-scale=1 and user-scalable=no; Lighthouse flags this as disabling zoom for low-vision users.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-dom.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F007" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Lighthouse console audit and HAR HTTP errors", "evidence": "The page logs a failed-resource error because /static/favicon.ico returns HTTP 404.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/network-summary.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F008" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "pass", "confidence": "medium", "method": "DOM and image probes", "evidence": "The rendered document has an HTML doctype, UTF-8 charset, viewport metadata, and no img elements with sizing/aspect-ratio defects.", "artifacts": [ "evidence/dom-probe.json", "evidence/images.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "pass", "confidence": "medium", "method": "Lighthouse best-practices audits and DOM inventory", "evidence": "Beyond the separately recorded favicon console error, Lighthouse found no deprecated API/paste/prompt issue; the page has no inputs and triggered no permission UI.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "issues", "confidence": "high", "method": "DOM metadata probe and Lighthouse SEO audit", "evidence": "The title is the generic implementation label “mkt single page application” and no meta description exists.", "artifacts": [ "evidence/dom-probe.json", "evidence/lighthouse-summary.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F009" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "DOM link inventory, robots fetch, and Lighthouse SEO audit", "evidence": "The page has zero crawlable links, and /robots.txt returns the SPA HTML rather than valid robots directives; the viewport is present but disables scaling.", "artifacts": [ "evidence/dom-probe.json", "evidence/robots.txt", "evidence/lighthouse-summary.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F010" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "issues", "confidence": "high", "method": "HAR redirect plus canonical/robots/sitemap probes", "evidence": "The requested URL 307-redirects to a generic cross-domain error page with no canonical; both robots.txt and sitemap.xml resolve to the same app shell instead of valid indexing resources.", "artifacts": [ "evidence/network-summary.json", "evidence/dom-probe.json", "evidence/robots.txt", "evidence/sitemap.xml" ], "pathIds": [ "entry-error" ], "findingIds": [ "F011" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "not-applicable", "confidence": "high", "method": "DOM metadata probe", "evidence": "The reached page is a generic error state rather than an article, product, organization, event, or other rich entity.", "artifacts": [ "evidence/dom-probe.json" ], "reason": "This generic invalid-link error is not a rich entity that warrants structured data." }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "security headers, cookies, and HAR probes", "evidence": "HTTPS is used and no cookies were set, but the main response lacks CSP, HSTS, X-Content-Type-Options, framing protection, Referrer-Policy, and Permissions-Policy.", "artifacts": [ "evidence/headers.json", "evidence/cookies.json", "evidence/network-summary.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F012" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "pass", "confidence": "medium", "method": "trackers, cookies, secrets, and HAR probes", "evidence": "No known trackers, cookies, or exposed secrets were found. Requests go only to Shopee-controlled delivery/redirect hosts and total 232KB.", "artifacts": [ "evidence/trackers.json", "evidence/cookies.json", "evidence/secrets.json", "evidence/network-summary.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "not-applicable", "confidence": "high", "method": "DOM and load-state inspection", "evidence": "This error surface has no authentication flow and triggered no permission prompt.", "artifacts": [ "evidence/dom-probe.json", "evidence/home-desktop.png" ], "reason": "No authentication or permission-requiring feature is exposed." }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "security-header inspection", "evidence": "No HSTS, frame-ancestors/X-Frame-Options, Referrer-Policy, Permissions-Policy, or CSP defense is present.", "artifacts": [ "evidence/headers.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F013" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "discoverability no-JS comparison and raw HTML", "evidence": "Only 20% of rendered content tokens were present in raw HTML; #root ships empty and noscript says JavaScript is required, so the actual error explanation is unavailable without JS.", "artifacts": [ "evidence/discoverability", "evidence/discoverability-rendered.png", "evidence/discoverability-crawler.png", "evidence/home-dom.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F014" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "medium", "method": "rendered screenshot and network/console inspection", "evidence": "The small runtime reaches a stable visible error state without clipped overlays or an infinite spinner; the only runtime error is the separately recorded favicon 404.", "artifacts": [ "evidence/home-mobile.png", "evidence/layout-mobile.json", "evidence/lighthouse-summary.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "manifest/service-worker surface probe", "evidence": "This bare redirect/error endpoint is not an installable application surface and advertises no manifest.", "artifacts": [ "evidence/dom-probe.json" ], "reason": "Installability is not proportionate for a short-link redirect/error endpoint." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "issues", "confidence": "high", "method": "invalid-route response, screenshot, and recovery-control inventory", "evidence": "The invalid root redirects to a generic 200 error page, but provides no useful recovery option and even returns the same SPA shell for robots.txt/sitemap.xml rather than meaningful HTTP failure semantics.", "artifacts": [ "evidence/network-summary.json", "evidence/home-mobile.png", "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F015" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "medium", "method": "DOM language and CSS feature inspection", "evidence": "The English error text is correctly marked html lang=en; the compact centered layout has no directional control or reading-order defect.", "artifacts": [ "evidence/dom-probe.json", "evidence/home-mobile.png", "evidence/css-feature-scan.txt" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "not-applicable", "confidence": "high", "method": "content inventory", "evidence": "No date, number, currency, duration, or locale-sensitive datum is rendered.", "artifacts": [ "evidence/dom-probe.json" ], "reason": "No locale-sensitive data appears on this error page." }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "content inventory", "evidence": "No times, events, recurrence, or time-zone-sensitive data is rendered.", "artifacts": [ "evidence/dom-probe.json" ], "reason": "No time data appears on this error page." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "initial screenshots and control inventory", "evidence": "The error surface has no consent wall, upsell, disguised ad, continuity trap, or manipulative control.", "artifacts": [ "evidence/home-mobile.png", "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "not-applicable", "confidence": "high", "method": "form inventory", "evidence": "No form or validation flow exists.", "artifacts": [ "evidence/dom-probe.json" ], "reason": "No form exists on the reached surface." }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "not-applicable", "confidence": "high", "method": "input inventory", "evidence": "No input field exists.", "artifacts": [ "evidence/dom-probe.json" ], "reason": "No input exists on the reached surface." }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "not-applicable", "confidence": "high", "method": "flow inventory", "evidence": "No checkout, subscription, consent, authentication, or account-management flow is exposed.", "artifacts": [ "evidence/dom-probe.json" ], "reason": "No commercial or account flow exists on the reached surface." }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "pass", "confidence": "medium", "method": "HAR asset weights and image audit", "evidence": "The two decorative PNG resources total about 10KB, and no img element has oversizing, legacy-format, or responsive-source defects.", "artifacts": [ "evidence/network-summary.json", "evidence/images.json" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "Lighthouse unused-code audit and HAR", "evidence": "The static 51-character error state loads 211KB of JavaScript and Lighthouse identifies 134KiB as unused, making the implementation materially heavier than the task requires.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/network-summary.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F016" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "HAR third-party and resource breakdown", "evidence": "231,974 of 232,120 transferred bytes come from cross-origin Shopee delivery/redirect hosts, predominantly React/vendor JavaScript, disproportionate to a static error message.", "artifacts": [ "evidence/network-summary.json", "evidence/trackers.json" ], "pathIds": [ "entry-error" ], "findingIds": [ "F017" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "DOM capability inventory", "evidence": "The invalid-link error endpoint exposes no commerce/product action or other safe capability for an agent to invoke.", "artifacts": [ "evidence/dom-probe.json" ], "reason": "This error endpoint has no agent-facing task or capability." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "page-purpose inspection", "evidence": "On-device inference would not improve this deterministic error message.", "artifacts": [ "evidence/home-mobile.png" ], "reason": "AI inference is not proportionate to a static not-found response." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "not-applicable", "confidence": "high", "method": "interaction inventory", "evidence": "The page has no representative interaction to repeat; no synthetic interaction was fabricated.", "artifacts": [ "evidence/dom-probe.json" ], "reason": "The static error page has no real repeatable interaction." }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "pass", "confidence": "medium", "method": "heap summary", "evidence": "The loaded SPA error state retained 82,622 heap nodes and 4.29MB self size, a bounded single-state footprint with no evidence of runaway allocation.", "artifacts": [ "evidence/heap-baseline.heapsnapshot" ], "pathIds": [ "entry-error" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "heap constructor summary and interaction inventory", "evidence": "The baseline heap summary showed no Detached* constructor among the dominant populations; with no repeated interaction, no accumulating listener/timer path was present to exercise.", "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/dom-probe.json" ], "pathIds": [ "entry-error" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F001" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "pass" }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "pass" }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "pass" }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "pass" }, { "principleId": "support-core-task-success", "expectation": "default", "status": "issues", "findingIds": [ "F002" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F003", "F004", "F005" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F006", "F007" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F008" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F009", "F010", "F011" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F012", "F013" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F014", "F015" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "pass" }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F016", "F017" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "Every defined check is inapplicable to the reached static error surface." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "entry-error", "description": "Bare short-link entry and its reached generic error surface. Represents the only reachable archetype from the supplied URL. Tokenized destinations, product/listing templates, search, checkout, and account flows were not covered because no valid short-link token or credentials were supplied.", "url": "https://s.shopee.co.id", "conditions": [ "desktop initial load", "viewport: 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "forced-colors: active", "JavaScript-disabled crawler comparison" ], "result": "issues" } ], "findings": [ { "id": "F001", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "medium", "confidence": "high", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "summary": "Add preference-driven dark theme support", "evidence": "The surface ignores prefers-color-scheme and remains hard-coded light.", "suggestedFix": "Add color-scheme: light dark and theme surface/text colors with light-dark() or a prefers-color-scheme rule.", "effort": "small", "artifacts": [ "evidence/dark.png", "evidence/css-probe.json" ] }, { "id": "F002", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "high", "confidence": "high", "principleId": "support-core-task-success", "principleCheckId": "clear-system-state-and-recovery", "guidanceId": "persistent-toast-notifications", "guidanceCategory": "user-experience", "summary": "Provide a useful recovery path", "evidence": "The not-found message is a dead end with no link, retry, search, or way back.", "suggestedFix": "Add a clearly labelled recovery action such as “Go to Shopee”, “Try another link”, and a safe back action.", "effort": "small", "artifacts": [ "evidence/home-mobile.png", "evidence/dom-probe.json" ] }, { "id": "F003", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "high", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "performance", "summary": "Bring LCP into the good range", "evidence": "Mobile Lighthouse measured LCP/FCP at 4.48s for a minimal error page.", "suggestedFix": "Render the error message in the initial HTML and remove the redirect/client-rendering dependency so LCP does not wait on JavaScript.", "effort": "medium", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/load-trace-summary.json" ] }, { "id": "F004", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "high", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-script-priority", "guidanceCategory": "performance", "summary": "Remove the render-blocking delivery chain", "evidence": "A 307 redirect precedes three classic scripts with no async/defer; Lighthouse estimates 2.07s render-blocking savings.", "suggestedFix": "Serve a small error document directly at the requested host; if scripts remain, defer non-critical code and set long immutable caching on hashed assets.", "effort": "medium", "artifacts": [ "evidence/network-summary.json", "evidence/dom-probe.json", "evidence/lighthouse-summary.json" ] }, { "id": "F005", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "medium", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "summary": "Stop shipping React/vendor code for the error page", "evidence": "Lighthouse estimates 134KiB unused JavaScript across React and the vendor bundle.", "suggestedFix": "Use a static server-rendered error template with no framework runtime, or split an error-only bundle that includes only essential code.", "effort": "medium", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/network-summary.json" ] }, { "id": "F006", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "high", "confidence": "high", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Give the error page semantic structure", "evidence": "The DOM has no main landmark and no heading; Lighthouse flags the missing main landmark.", "suggestedFix": "Wrap the error content in
and expose “Page not found” as an

; keep DOM order aligned with the visual order.", "effort": "small", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/dom-probe.json" ] }, { "id": "F007", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "high", "confidence": "high", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "fluid-scaling", "guidanceCategory": "css", "summary": "Allow users to zoom", "evidence": "The viewport contains maximum-scale=1 and user-scalable=no, which Lighthouse flags for low-vision users.", "suggestedFix": "Use width=device-width, initial-scale=1 and remove maximum-scale/minimum-scale/user-scalable restrictions.", "effort": "trivial", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-dom.json" ] }, { "id": "F008", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "low", "confidence": "high", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "html", "summary": "Fix the broken favicon request", "evidence": "The favicon request returns 404 and produces a console error.", "suggestedFix": "Deploy the referenced /static/favicon.ico or update/remove the link so every requested asset resolves successfully.", "effort": "trivial", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/network-summary.json" ] }, { "id": "F009", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "medium", "confidence": "high", "principleId": "be-discoverable", "principleCheckId": "title-and-description", "guidanceId": "html", "guidanceCategory": "html", "summary": "Use descriptive page metadata", "evidence": "The title is “mkt single page application” and there is no meta description.", "suggestedFix": "Set a user-facing title such as “Link not found | Shopee” and a concise description of what happened and what to do next.", "effort": "trivial", "artifacts": [ "evidence/dom-probe.json", "evidence/lighthouse-summary.json" ] }, { "id": "F010", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "high", "confidence": "high", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "html", "summary": "Serve a valid robots.txt and crawlable recovery link", "evidence": "/robots.txt returns HTML and the page has zero links.", "suggestedFix": "Serve plain-text robots directives at /robots.txt and include a real href recovery link in the error HTML.", "effort": "small", "artifacts": [ "evidence/robots.txt", "evidence/dom-probe.json", "evidence/lighthouse-summary.json" ] }, { "id": "F011", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "high", "confidence": "high", "principleId": "be-discoverable", "principleCheckId": "canonical-and-indexing-signals", "guidanceId": "html", "guidanceCategory": "html", "summary": "Correct indexing and status signals", "evidence": "The root cross-domain redirects to a generic 200 error page with no canonical; sitemap.xml also returns the SPA shell.", "suggestedFix": "Return an appropriate 404/410 for invalid links, preserve the requested origin where possible, and serve valid robots/sitemap resources plus intentional canonical policy.", "effort": "medium", "artifacts": [ "evidence/network-summary.json", "evidence/dom-probe.json", "evidence/sitemap.xml" ] }, { "id": "F012", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "high", "confidence": "high", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "summary": "Add baseline security headers", "evidence": "The response lacks CSP, HSTS, nosniff, framing protection, Referrer-Policy, and Permissions-Policy.", "suggestedFix": "Add a restrictive CSP, HSTS, X-Content-Type-Options: nosniff, frame-ancestors or X-Frame-Options, strict referrer policy, and minimal Permissions-Policy.", "effort": "medium", "artifacts": [ "evidence/headers.json" ] }, { "id": "F013", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "medium", "confidence": "high", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "summary": "Configure browser-enforced defenses", "evidence": "No browser policy header provides clickjacking, referrer, permissions, or origin/XSS defense.", "suggestedFix": "Define frame-ancestors, Referrer-Policy and Permissions-Policy, then tighten CSP and consider Trusted Types if the app injects HTML.", "effort": "medium", "artifacts": [ "evidence/headers.json" ] }, { "id": "F014", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "high", "confidence": "high", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "html", "guidanceCategory": "html", "summary": "Render the error state without JavaScript", "evidence": "Raw HTML ships an empty #root and only 20% rendered-token coverage; noscript tells users to enable JavaScript.", "suggestedFix": "Server-render the complete error heading, explanation, and recovery links in HTML, then layer optional enhancements on top.", "effort": "medium", "artifacts": [ "evidence/discoverability", "evidence/discoverability-rendered.png", "evidence/discoverability-crawler.png", "evidence/home-dom.json" ] }, { "id": "F015", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "high", "confidence": "high", "principleId": "be-resilient", "principleCheckId": "network-and-http-failure-states", "guidanceId": "persistent-toast-notifications", "guidanceCategory": "user-experience", "summary": "Use intentional HTTP error and recovery behavior", "evidence": "An invalid root becomes a generic 200 error state with no recovery, and infrastructure paths return the same shell.", "suggestedFix": "Return truthful HTTP statuses, dedicated robots/sitemap responses, and an actionable error state with retry/home/back options.", "effort": "medium", "artifacts": [ "evidence/network-summary.json", "evidence/home-mobile.png", "evidence/dom-probe.json" ] }, { "id": "F016", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "medium", "confidence": "high", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "efficient-background-processing", "guidanceCategory": "performance", "summary": "Use a lightweight error implementation", "evidence": "A 51-character message loads 211KB of JavaScript, 134KiB of which Lighthouse estimates is unused.", "suggestedFix": "Serve the error state as static HTML/CSS and avoid loading application/framework bundles until a feature needs them.", "effort": "medium", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/network-summary.json" ] }, { "id": "F017", "pathId": "entry-error", "url": "https://s.shopee.co.id", "severity": "medium", "confidence": "high", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "performance", "summary": "Reduce cross-origin delivery cost", "evidence": "Almost all 232KB transferred bytes are cross-origin Shopee assets, mostly framework code, for a static error response.", "suggestedFix": "Inline the tiny critical error styles and eliminate cross-origin scripts; cache any remaining hashed assets for a long lifetime.", "effort": "medium", "artifacts": [ "evidence/network-summary.json", "evidence/trackers.json" ] } ], "taskList": [ { "id": "T001", "title": "Replace the redirecting client SPA error with a direct server-rendered, semantic, recoverable error response", "priority": 1, "findingIds": [ "F002", "F003", "F004", "F005", "F006", "F009", "F010", "F011", "F014", "F015", "F016", "F017" ], "guidanceId": "html", "status": "open" }, { "id": "T002", "title": "Restore zoom and add user-preference theming", "priority": 2, "findingIds": [ "F001", "F007" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T003", "title": "Add baseline response security policies", "priority": 3, "findingIds": [ "F012", "F013" ], "guidanceId": "security", "status": "open" }, { "id": "T004", "title": "Fix the missing favicon and eliminate console errors", "priority": 4, "findingIds": [ "F008" ], "guidanceId": "html", "status": "open" } ], "budget": { "pathCount": 1, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-21T17-28-54-499Z" }