{ "url": "https://www.lemonde.fr", "auditedAt": "2026-07-28T12:27:06.480Z", "mode": "report", "status": "partial", "statusDetail": "55/58 checks judged; 3 blocked by Fastly CAPTCHA on article, search, and account-flow surfaces.", "page": { "appType": "mpa", "framework": "server-rendered MPA", "notes": "Public bilingual news publication. Homepage and listing loaded; article and search templates triggered an edge CAPTCHA." }, "evidenceUsed": [ "screenshot", "dom", "evaluate-probe", "layout-metrics", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "lighthouse" ], "guidanceConsulted": [ "dark-mode", "accessibility", "same-document-transitions", "scrollytelling", "position-aware-tooltips", "light-dismiss-a-dialog", "size-aware-styling", "forms", "performance", "optimize-image-priority", "identify-heavy-scripts", "security", "privacy", "passkeys", "stabilize-reactive-state", "translator", "deliver-optimized-decorative-images", "webmcp", "manage-recurring-intervals" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop" }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile" }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark" }, { "type": "screenshot", "path": "evidence/listing-mobile.png", "caption": "listing mobile" }, { "type": "screenshot", "path": "evidence/article.png", "caption": "article" }, { "type": "layout", "path": "evidence/home-layout-mobile.json", "caption": "home layout mobile" }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "home trace" }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary" }, { "type": "har", "path": "evidence/home.har", "caption": "home" }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "home summary" }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "lighthouse" }, { "type": "lighthouse", "path": "evidence/lighthouse-key-audits.json", "caption": "lighthouse key audits" }, { "type": "other", "path": "evidence/home-images.json", "caption": "home images" }, { "type": "other", "path": "evidence/headers.json", "caption": "headers" }, { "type": "other", "path": "evidence/cookies.json", "caption": "cookies" }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers" }, { "type": "other", "path": "evidence/secrets.json", "caption": "secrets" }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "home discoverability" }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "home discoverability rendered" }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "home discoverability crawler" }, { "type": "discoverability", "path": "evidence/article-discoverability.json", "caption": "article discoverability" }, { "type": "screenshot", "path": "evidence/article-discoverability-rendered.png", "caption": "article discoverability rendered" }, { "type": "screenshot", "path": "evidence/article-discoverability-crawler.png", "caption": "article discoverability crawler" }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom" }, { "type": "other", "path": "evidence/home-deep-probe.json", "caption": "home deep probe" }, { "type": "other", "path": "evidence/dark-probe.json", "caption": "dark probe" }, { "type": "other", "path": "evidence/reduced-motion.json", "caption": "reduced motion" }, { "type": "other", "path": "evidence/robots-sitemap.json", "caption": "robots sitemap" }, { "type": "heap", "path": "evidence/heap-baseline.heapsnapshot", "caption": "heap baseline" }, { "type": "heap", "path": "evidence/heap-post.heapsnapshot", "caption": "heap post" }, { "type": "dom", "path": "evidence/article-dom.json", "caption": "article dom" }, { "type": "dom", "path": "evidence/search-dom.json", "caption": "search dom" }, { "type": "other", "path": "evidence/article-raw-metadata.json", "caption": "article raw metadata" } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 55, "blocked": 3, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": false }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Dark emulation and computed-style comparison showed no visual retinting.", "findingIds": [ "F01" ], "pathIds": [ "home" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F02" ], "pathIds": [ "home" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F03" ], "pathIds": [ "home" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "CSS inspection found view-transition rules in the delivered stylesheet.", "pathIds": [ "home" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "CSS inspection found animation-timeline/scroll-timeline signals and no load-time long-task pattern attributable to scroll handlers.", "pathIds": [ "home" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "CSS inspection found platform scroll-snap behavior; no custom pointermove gesture layer was observed.", "pathIds": [ "home" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "The responsive header and navigation preserve position/context across the long homepage; scroll-timeline CSS is present.", "pathIds": [ "home" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Delivered CSS contains anchor-positioning signals; no drifting overlay was observed on the accessible homepage.", "pathIds": [ "home" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Visible section labels, skip links, and sequential content hierarchy guide attention on the homepage.", "pathIds": [ "home" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Load screenshots show news content immediately with no content-obscuring interstitial.", "pathIds": [ "home" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "No modal overlay appeared on load; menu controls have explicit button semantics and accessible labels.", "pathIds": [ "home" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Screenshots show a content-dense news layout with chrome occupying a modest portion of the viewport.", "pathIds": [ "home" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "At 360x800, layout reported scrollWidth 360, clientWidth 360 and 0 px horizontal overflow.", "pathIds": [ "home" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F04" ], "pathIds": [ "home" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Rendered primary navigation targets are generally 40 px high and keyboard focus showed a visible browser outline.", "pathIds": [ "home" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "The first viewport clearly identifies Le Monde, current lead news, sections, subscription and sign-in actions.", "pathIds": [ "home" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "blocked", "confidence": "high", "method": "Browser navigation plus DOM/screenshot capture", "evidence": "Attempted the relevant article/search/account path, but Fastly served an unsolved client CAPTCHA instead of the site surface.", "reason": "Attempted the relevant article/search/account path, but Fastly served an unsolved client CAPTCHA instead of the site surface." }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "The observed Fastly challenge includes explicit instructions, an audio alternative, labeled answer field and error alert/retry path.", "pathIds": [ "home" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F05" ], "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Mobile layout observation measured CLS 0.012, well within the good range.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Trace measured one 89.6 ms long task and 39.6 ms TBT; Lighthouse measured about 20 ms TBT.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F06" ], "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F07" ], "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F08" ], "pathIds": [ "home" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F09" ], "pathIds": [ "home" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F10" ], "pathIds": [ "home" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Desktop and mobile screenshots show readable typography, line lengths and unclipped story cards.", "pathIds": [ "home" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Viewport allows scaling and the 360 px layout reflows without overflow; no essential video appeared in sampled surfaces.", "pathIds": [ "home" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F11" ], "pathIds": [ "home" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F12" ], "pathIds": [ "home" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Lighthouse best-practices score was 0.96 and no permission prompt, paste prevention, or deprecated API failure was observed.", "pathIds": [ "home" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Homepage has a descriptive title and meta description in both raw and rendered HTML.", "pathIds": [ "home" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F13" ], "pathIds": [ "home" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Homepage returned 200 with canonical and hreflang links; robots lists dedicated English news/index sitemaps.", "pathIds": [ "home" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Homepage includes JSON-LD and complete Open Graph/Twitter metadata matching the publication.", "pathIds": [ "home" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F14" ], "pathIds": [ "home" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F15" ], "pathIds": [ "home" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "No geolocation/notification prompt fired or permission-request code appeared on the public homepage; authentication itself was not entered.", "pathIds": [ "home" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F16" ], "pathIds": [ "home" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Homepage raw HTML retained 85% of rendered content words plus title, H1 and description without JavaScript.", "pathIds": [ "home" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Homepage remained usable at desktop/mobile sizes and exposed explicit fallback/error UI when the edge challenge intervened.", "pathIds": [ "home" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "The audited surface is a public news publication rather than an app whose core task requires offline installation.", "reason": "The audited surface is a public news publication rather than an app whose core task requires offline installation." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "blocked", "confidence": "high", "method": "Browser navigation plus DOM/screenshot capture", "evidence": "Attempted the relevant article/search/account path, but Fastly served an unsolved client CAPTCHA instead of the site surface.", "reason": "Attempted the relevant article/search/account path, but Fastly served an unsolved client CAPTCHA instead of the site surface." }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "English HTML has lang=en, four hreflang links, and delivered CSS uses logical inline properties.", "pathIds": [ "home" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "not-applicable", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "No user-entered or locale-sensitive numeric/currency data appeared on the sampled public pages.", "reason": "No user-entered or locale-sensitive numeric/currency data appeared on the sampled public pages." }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "No event scheduling or time-zone-sensitive interaction appeared on the sampled pages.", "reason": "No event scheduling or time-zone-sensitive interaction appeared on the sampled pages." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "No consent wall, confirmshaming, disguised ad, or forced continuity obscured the accessible homepage.", "pathIds": [ "home" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "not-applicable", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "The accessible homepage surface contains search but no exercised validation workflow; the search page was bot-blocked.", "reason": "The accessible homepage surface contains search but no exercised validation workflow; the search page was bot-blocked." }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "not-applicable", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "No address, payment, sign-in, or sign-up fields were available on the accessible public surface.", "reason": "No address, payment, sign-in, or sign-up fields were available on the accessible public surface." }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "blocked", "confidence": "high", "method": "Browser navigation plus DOM/screenshot capture", "evidence": "Attempted the relevant article/search/account path, but Fastly served an unsolved client CAPTCHA instead of the site surface.", "reason": "Attempted the relevant article/search/account path, but Fastly served an unsolved client CAPTCHA instead of the site surface." }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F17" ], "pathIds": [ "home" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Trace showed only one short long task and 39.6 ms TBT; no autoplay media was observed.", "pathIds": [ "home" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Direct DOM, screenshot, Lighthouse, network, or rendered-state evidence on the representative homepage showed the expected outcome with no divergence.", "findingIds": [ "F18" ], "pathIds": [ "home" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "No declared agent-facing transaction surface; this emerging capability is an opportunity, not an obligation.", "reason": "No declared agent-facing transaction surface; this emerging capability is an opportunity, not an obligation." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "No on-device inference task is necessary for the core news-reading journey.", "reason": "No on-device inference task is necessary for the core news-reading journey." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "After ten menu open/close cycles, heap self-size decreased from 13,598,456 to 13,545,679 bytes; nodes rose only 218.", "pathIds": [ "home" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Baseline heap was 13.6 MB self-size across 224,064 nodes, proportionate to the long content-rich homepage.", "pathIds": [ "home" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "high", "method": "Cross-check of DOM/evaluate probes, screenshots, Lighthouse and applicable CDP primitives", "evidence": "Ten menu cycles caused only a 0.1% node increase and no retained-heap growth signal.", "pathIds": [ "home" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F01", "F02", "F03" ] }, { "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": "issues", "findingIds": [ "F04" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "incomplete", "reason": "One or more representative flows were blocked by Fastly CAPTCHA." }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F05", "F06", "F07" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F08", "F09", "F10" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F11", "F12" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F13" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F14", "F15", "F16" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "incomplete", "reason": "One or more representative flows were blocked by Fastly CAPTCHA." }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "incomplete", "reason": "One or more representative flows were blocked by Fastly CAPTCHA." }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F17", "F18" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "No declared agent-facing transaction surface; this emerging capability is an opportunity, not an obligation. No on-device inference task is necessary for the core news-reading journey." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "home", "description": "English homepage, the primary news discovery surface and representative global chrome.", "url": "https://www.lemonde.fr/en/", "conditions": [ "desktop", "viewport: 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "keyboard focus" ], "result": "issues" }, { "id": "listing", "description": "International section listing, representing section/index templates.", "url": "https://www.lemonde.fr/en/international/", "conditions": [ "viewport: 360x800" ], "result": "pass" }, { "id": "article", "description": "Current lead article, representing the core reading journey. A Fastly client CAPTCHA blocked browser access.", "url": "https://www.lemonde.fr/en/environment/article/2026/07/28/france-fires-why-firefighters-are-cutting-down-trees-to-create-firebreaks_6755915_114.html", "conditions": [ "desktop", "JavaScript enabled", "crawler/no-JS comparison" ], "result": "failed" }, { "id": "search", "description": "Search entry surface, representing the primary interactive retrieval flow. A Fastly client CAPTCHA blocked access.", "url": "https://www.lemonde.fr/en/search/", "conditions": [ "desktop", "JavaScript enabled" ], "result": "failed" } ], "findings": [ { "id": "F01", "severity": "medium", "confidence": "high", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "modern-web-guidance", "summary": "The site does not visibly honor the system dark theme.", "evidence": "The dark screenshot is pixel-identical in size and appearance to the light screenshot; the dark probe reports color-scheme: normal and unchanged dark text/light surface styling.", "suggestedFix": "Declare color-scheme and apply preference-driven light/dark design tokens using prefers-color-scheme or light-dark().", "artifacts": [ "evidence/home-dark.png", "evidence/dark-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F02", "severity": "low", "confidence": "high", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "summary": "Reduced-motion support is not implemented for the observed animation.", "evidence": "CSS inspection found no prefers-reduced-motion rule; under reduce, the slideUp animation still reports a 400 ms duration.", "suggestedFix": "Add a prefers-reduced-motion: reduce override that removes non-essential transitions and auto-motion.", "artifacts": [ "evidence/reduced-motion.json" ], "effort": "small", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F03", "severity": "medium", "confidence": "high", "principleId": "respect-user-preferences", "principleCheckId": "respects-contrast", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "summary": "High-contrast preferences are not explicitly supported.", "evidence": "CSS inspection found neither prefers-contrast nor forced-colors handling, while Lighthouse also found 11 low-contrast elements.", "suggestedFix": "Add forced-colors and prefers-contrast adaptations and avoid suppressing system colors for essential controls.", "artifacts": [ "evidence/home-deep-probe.json", "evidence/lighthouse-key-audits.json" ], "effort": "medium", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F04", "severity": "low", "confidence": "high", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "modern-web-guidance", "summary": "Reusable components rely on viewport rules rather than container-aware adaptation.", "evidence": "Rendered stylesheet inspection found no @container or container-type signal across the homepage CSS.", "suggestedFix": "Adopt container queries for cards and reused header/list modules, retaining a conventional fallback where needed.", "artifacts": [ "evidence/home-deep-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F05", "severity": "high", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "modern-web-guidance", "summary": "Cold-load LCP is slow under Lighthouse conditions.", "evidence": "Lighthouse measured LCP 7.9 s and FCP 3.1 s (performance 0.69), although the raw-CDP trace on a separate run measured LCP 1.50 s. The variance itself warrants field-data verification.", "suggestedFix": "Prioritize the LCP resource, reduce render-blocking work, and validate with field Core Web Vitals.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "effort": "medium", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F06", "severity": "medium", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-image-priority", "guidanceCategory": "modern-web-guidance", "summary": "Render-blocking and cache/image delivery opportunities delay content.", "evidence": "Lighthouse estimated 1,070 ms render-blocking savings and 380 KiB image-delivery savings; HAR recorded 70 requests and 1.18 MB transferred.", "suggestedFix": "Inline or split critical CSS, defer noncritical CSS/scripts, give the actual LCP image correct priority, and serve efficient image variants.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-summary.json", "evidence/home.har" ], "effort": "medium", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F07", "severity": "medium", "confidence": "high", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "modern-web-guidance", "summary": "The homepage ships substantial unused CSS and JavaScript.", "evidence": "Lighthouse estimated 199 KiB unused CSS and 91 KiB unused JavaScript; third-party code includes a 95.5 KiB Forecast SDK.", "suggestedFix": "Split page-specific bundles and conditionally load analytics, ad, and feature code only when needed.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-summary.json" ], "effort": "medium", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F08", "severity": "high", "confidence": "high", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "summary": "Some content and controls lack accessible alternatives.", "evidence": "The image audit found 4 images without alt text; Lighthouse found one untitled iframe, and the homepage search input had no associated label.", "suggestedFix": "Provide meaningful alt text or explicit decorative alt, label the search field, and title every iframe.", "artifacts": [ "evidence/home-images.json", "evidence/lighthouse-key-audits.json", "evidence/home-deep-probe.json" ], "effort": "small", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F09", "severity": "high", "confidence": "high", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "summary": "Text and controls fail minimum color contrast.", "evidence": "Lighthouse reported 11 elements under the required contrast ratio.", "suggestedFix": "Adjust foreground/background tokens to meet WCAG AA in every state and retest with forced-colors and axe/Lighthouse.", "artifacts": [ "evidence/lighthouse-key-audits.json" ], "effort": "small", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F10", "severity": "medium", "confidence": "high", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "summary": "Heading structure is not consistently sequential.", "evidence": "Lighthouse detected a skipped heading level. Focus probes were generally visible on rendered controls, so the issue is structural rather than a blanket focus failure.", "suggestedFix": "Use headings to express a sequential document outline and preserve visible :focus-visible styles.", "artifacts": [ "evidence/lighthouse-key-audits.json", "evidence/home-deep-probe.json" ], "effort": "small", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F11", "severity": "medium", "confidence": "high", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "performance", "guidanceCategory": "modern-web-guidance", "summary": "The homepage logs browser errors.", "evidence": "Lighthouse errors-in-console found 7 entries; HAR also recorded aborted Amplitude and CMP requests.", "suggestedFix": "Remove uncaught/runtime errors and handle optional third-party failures without console noise.", "artifacts": [ "evidence/lighthouse-key-audits.json", "evidence/home-summary.json" ], "effort": "small", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F12", "severity": "low", "confidence": "high", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "optimize-image-priority", "guidanceCategory": "modern-web-guidance", "summary": "Several images omit intrinsic dimensions and all sampled images use legacy raster formats.", "evidence": "The image audit found 4 images without width/height and 14 of 14 in JPG/PNG rather than AVIF/WebP.", "suggestedFix": "Emit intrinsic width/height and modern negotiated formats while retaining responsive srcset candidates.", "artifacts": [ "evidence/home-images.json" ], "effort": "medium", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F13", "severity": "low", "confidence": "high", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "stabilize-reactive-state", "guidanceCategory": "modern-web-guidance", "summary": "At least one link is not crawlable.", "evidence": "Lighthouse crawlable-anchors reported one failing link, while the page otherwise has viewport metadata and robots allows the public English routes.", "suggestedFix": "Use a real href for navigation, reserving buttons for in-page actions.", "artifacts": [ "evidence/lighthouse-key-audits.json", "evidence/robots-sitemap.json" ], "effort": "trivial", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F14", "severity": "high", "confidence": "high", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "modern-web-guidance", "summary": "The CSP permits unsafe script execution.", "evidence": "Headers show HTTPS, HSTS and nosniff, but CSP script-src allows both unsafe-inline and unsafe-eval.", "suggestedFix": "Move inline code to nonce/hash-authorized scripts, remove unsafe-eval, and tighten source allowlists.", "artifacts": [ "evidence/headers.json" ], "effort": "medium", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F15", "severity": "medium", "confidence": "high", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "modern-web-guidance", "summary": "The default page load has a broad tracking and third-party footprint.", "evidence": "Tracker capture found 10 third-party origins including Rubicon and Amplitude; HAR attributes 23 requests and 447 KB to third parties. Several first-party analytics cookies last about 395 days.", "suggestedFix": "Delay non-essential tracking until valid consent, reduce vendors and retention, and batch/minimize analytics.", "artifacts": [ "evidence/trackers.json", "evidence/cookies.json", "evidence/home-summary.json" ], "effort": "large", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F16", "severity": "medium", "confidence": "high", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "modern-web-guidance", "summary": "Referrer-Policy and Permissions-Policy headers are absent.", "evidence": "Header inspection found both headers missing; CSP frame policy, X-Frame-Options and HSTS are present.", "suggestedFix": "Send a strict Referrer-Policy and least-privilege Permissions-Policy appropriate to the actual features.", "artifacts": [ "evidence/headers.json" ], "effort": "small", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F17", "severity": "medium", "confidence": "high", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "modern-web-guidance", "summary": "Image delivery wastes bytes relative to displayed content.", "evidence": "Image audit found an oversized lead image and no modern formats; Lighthouse estimated 380 KiB image-delivery savings.", "suggestedFix": "Serve AVIF/WebP responsive candidates sized to layout slots and avoid downloading duplicate oversized hero variants.", "artifacts": [ "evidence/home-images.json", "evidence/lighthouse.json" ], "effort": "medium", "pathId": "home", "url": "https://www.lemonde.fr/en/" }, { "id": "F18", "severity": "medium", "confidence": "high", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "modern-web-guidance", "summary": "Third-party scripts and fonts consume a disproportionate share of a text-news homepage.", "evidence": "HAR measured 447 KB third-party transfer and 304 KB across 8 fonts, with tracking/ad services active on load.", "suggestedFix": "Set a third-party/font budget, subset fonts, and defer non-essential vendors until interaction or consent.", "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json" ], "effort": "large", "pathId": "home", "url": "https://www.lemonde.fr/en/" } ], "taskList": [ { "id": "T01", "title": "Declare color-scheme and apply preference-driven light/dark design tokens using prefers-color-scheme or light-dark().", "priority": 1, "findingIds": [ "F01" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T02", "title": "Add a prefers-reduced-motion: reduce override that removes non-essential transitions and auto-motion.", "priority": 2, "findingIds": [ "F02" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T03", "title": "Add forced-colors and prefers-contrast adaptations and avoid suppressing system colors for essential controls.", "priority": 3, "findingIds": [ "F03" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T04", "title": "Adopt container queries for cards and reused header/list modules, retaining a conventional fallback where needed.", "priority": 4, "findingIds": [ "F04" ], "guidanceId": "size-aware-styling", "status": "open" }, { "id": "T05", "title": "Prioritize the LCP resource, reduce render-blocking work, and validate with field Core Web Vitals.", "priority": 5, "findingIds": [ "F05" ], "guidanceId": "performance", "status": "open" }, { "id": "T06", "title": "Inline or split critical CSS, defer noncritical CSS/scripts, give the actual LCP image correct priority, and serve efficient image variants.", "priority": 6, "findingIds": [ "F06" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T07", "title": "Split page-specific bundles and conditionally load analytics, ad, and feature code only when needed.", "priority": 7, "findingIds": [ "F07" ], "guidanceId": "identify-heavy-scripts", "status": "open" }, { "id": "T08", "title": "Provide meaningful alt text or explicit decorative alt, label the search field, and title every iframe.", "priority": 8, "findingIds": [ "F08" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T09", "title": "Adjust foreground/background tokens to meet WCAG AA in every state and retest with forced-colors and axe/Lighthouse.", "priority": 9, "findingIds": [ "F09" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T10", "title": "Use headings to express a sequential document outline and preserve visible :focus-visible styles.", "priority": 10, "findingIds": [ "F10" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T11", "title": "Remove uncaught/runtime errors and handle optional third-party failures without console noise.", "priority": 11, "findingIds": [ "F11" ], "guidanceId": "performance", "status": "open" }, { "id": "T12", "title": "Emit intrinsic width/height and modern negotiated formats while retaining responsive srcset candidates.", "priority": 12, "findingIds": [ "F12" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T13", "title": "Use a real href for navigation, reserving buttons for in-page actions.", "priority": 13, "findingIds": [ "F13" ], "guidanceId": "stabilize-reactive-state", "status": "open" }, { "id": "T14", "title": "Move inline code to nonce/hash-authorized scripts, remove unsafe-eval, and tighten source allowlists.", "priority": 14, "findingIds": [ "F14" ], "guidanceId": "security", "status": "open" }, { "id": "T15", "title": "Delay non-essential tracking until valid consent, reduce vendors and retention, and batch/minimize analytics.", "priority": 15, "findingIds": [ "F15" ], "guidanceId": "privacy", "status": "open" }, { "id": "T16", "title": "Send a strict Referrer-Policy and least-privilege Permissions-Policy appropriate to the actual features.", "priority": 16, "findingIds": [ "F16" ], "guidanceId": "security", "status": "open" }, { "id": "T17", "title": "Serve AVIF/WebP responsive candidates sized to layout slots and avoid downloading duplicate oversized hero variants.", "priority": 17, "findingIds": [ "F17" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T18", "title": "Set a third-party/font budget, subset fonts, and defer non-essential vendors until interaction or consent.", "priority": 18, "findingIds": [ "F18" ], "guidanceId": "deprioritize-background-fetches", "status": "open" } ], "budget": { "pathCount": 4, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-28T12-27-06-480Z" }