{ "url": "https://meteofrance.com", "auditedAt": "2026-07-20T02:01:12.254Z", "mode": "report", "status": "completed", "statusDetail": "Coverage-complete representative audit of homepage, city forecast, editorial listing, article, search journey, and 404 recovery. Excluded: account/commerce (not present), every city URL (Ajaccio represents the shared forecast template), specialist marine/mountain/beach templates, and destructive or authenticated flows.", "page": { "appType": "hybrid", "framework": "Drupal-rendered MPA with client-side forecast/map widgets", "notes": "Public French national weather and editorial service. Core HTML is server rendered; interactive maps, forecast states, advertising, and search hydrate client-side." }, "evidenceUsed": [ "screenshot", "dom+computed-css", "layout-metrics", "evaluate-probe", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "lighthouse", "axe-core", "heap-summary", "robots+sitemap" ], "guidanceConsulted": [ "dark-mode", "accessibility", "same-document-transitions", "scrollability-affordance-hints", "declarative-dialog-popover-control", "size-aware-styling", "forms", "performance", "optimize-image-priority", "html", "security", "privacy", "flicker-free-client-side-ab-testing", "translator", "deliver-optimized-decorative-images", "webmcp", "manage-recurring-intervals" ], "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": "screenshots and computed animation probes under emulated media preferences", "evidence": "Desktop screenshots under light and prefers-color-scheme: dark are pixel-identical, and the computed root colorScheme is “normal”.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-dark.png", "evidence/home-probe.json" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "high", "method": "screenshots and computed animation probes under emulated media preferences", "evidence": "The reduced-motion probe confirmed the media query matched while five animations remained running, including four 600ms animations and one 2000ms animation.", "pathIds": [ "home" ], "artifacts": [ "evidence/reduced-motion.json" ], "findingIds": [ "F02" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "issues", "confidence": "high", "method": "screenshots and computed animation probes under emulated media preferences", "evidence": "The prefers-contrast: more screenshot is visually unchanged; axe found 23 color-contrast failures.", "pathIds": [ "home" ], "artifacts": [ "evidence/high-contrast.png", "evidence/axe-home.json" ], "findingIds": [ "F03" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "rendered CSS feature probe and interaction-state inspection", "evidence": "The rendered stylesheet probe found no view-transition rules or names across forecast tabs/routes.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F04" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "pass", "confidence": "medium", "method": "rendered CSS feature probe and interaction-state inspection", "evidence": "Rendered CSS and trace inspection found no scroll-linked animation, parallax, or scrollytelling effect, so there is no main-thread scroll-animation anti-pattern on the representative paths.", "pathIds": [ "home" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "medium", "method": "rendered CSS feature probe and interaction-state inspection", "evidence": "The forecast map uses native panning/zoom controls and the remaining navigation is link/button based; no custom swipe/pull gesture fought platform scrolling in the inspected paths.", "pathIds": [ "home" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "high", "method": "rendered CSS feature probe, screenshots, and navigation walkthrough", "evidence": "The homepage is 7,911 CSS pixels tall on mobile, while CSS inspection found no scroll-state or timeline feature and the captured header remains static.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/home-mobile-layout.json", "evidence/home-probe.json" ], "findingIds": [ "F05" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "issues", "confidence": "high", "method": "rendered CSS feature probe, screenshots, and navigation walkthrough", "evidence": "The DOM contains multiple custom modal/popup containers, while the feature probe found no anchor-name, position-anchor, or position-try usage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F06" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "medium", "method": "rendered CSS feature probe, screenshots, and navigation walkthrough", "evidence": "Screenshots show a strong pink active forecast tab, breadcrumbs on city detail, descriptive navigation labels, and direct search suggestions that preserve orientation.", "pathIds": [ "home" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "pass", "confidence": "medium", "method": "load screenshots and DOM overlay/primitive inventory", "evidence": "Fresh-profile desktop and mobile screenshots show forecast content immediately with no consent wall or full-viewport interstitial obscuring it.", "pathIds": [ "home" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "load screenshots and DOM overlay/primitive inventory", "evidence": "The DOM probe found repeated .mf_modal and .modal_overlay divs, zero dialog, popover, or details primitives, and axe found focusable content inside aria-hidden UI.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/axe-home.json" ], "findingIds": [ "F07" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "issues", "confidence": "high", "method": "load screenshots and DOM overlay/primitive inventory", "evidence": "The 360x800 screenshot shows a crowded, partially overlapping bottom carousel/navigation strip with clipped labels over editorial content.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ], "findingIds": [ "F08" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "medium", "method": "360x800 screenshots/layout metrics and keyboard-focus probe", "evidence": "Layout primitives at 360x800 report scrollWidth=clientWidth=360 on home, city, and listing templates; viewport meta is present.", "pathIds": [ "home" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "360x800 screenshots/layout metrics and keyboard-focus probe", "evidence": "CSS inspection found no @container rules or container-type declarations across the rendered homepage styles.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/listing-mobile.png" ], "findingIds": [ "F09" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "360x800 screenshots/layout metrics and keyboard-focus probe", "evidence": "The focus probe reported outline-style none and no box-shadow for the search input, submit button, menu button, and many navigation links; axe also found non-focusable scroll regions.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/axe-home.json" ], "findingIds": [ "F10" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "medium", "method": "search suggestion walkthrough, destination inspection, and 404 recovery state", "evidence": "The first viewport clearly says METEO FRANCE, exposes location search, forecast tabs, a national map, and prominent vigilance status.", "pathIds": [ "home" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "medium", "method": "search suggestion walkthrough, destination inspection, and 404 recovery state", "evidence": "Typing Ajaccio exposes a real crawlable Ajaccio result and the destination forecast page loads with location, date tabs, and weather content.", "pathIds": [ "home" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "medium", "method": "search suggestion walkthrough, destination inspection, and 404 recovery state", "evidence": "A nonexistent route renders a branded, explanatory 404 with a return-home action and links to popular city forecasts.", "pathIds": [ "home" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Lighthouse, trace summary, layout observers, HAR summary, and image inventory", "evidence": "Lighthouse measured LCP 24.0s, CLS 0.592, FCP 6.6s and TBT 400ms (performance score 24); the independent trace measured LCP 10.02s.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-trace-summary.json", "evidence/home-mobile-layout.json" ], "findingIds": [ "F11" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "issues", "confidence": "high", "method": "Lighthouse, trace summary, layout observers, HAR summary, and image inventory", "evidence": "The layout primitive measured CLS 0.465 on the mobile homepage and 0.658 on the Ajaccio page; 60 of 64 images lack explicit dimensions.", "pathIds": [ "city" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/city-mobile-layout.json", "evidence/images.json" ], "findingIds": [ "F12" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "medium", "method": "Lighthouse, trace summary, layout observers, HAR summary, and image inventory", "evidence": "The independent trace recorded one 126ms long task and 76ms TBT, a bounded main-thread result despite broader Lighthouse load problems.", "pathIds": [ "home" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Lighthouse, trace summary, layout observers, HAR summary, and image inventory", "evidence": "The HAR records 2.98 MB across 72 requests, four parser-inserted VeryHigh-priority stylesheets, an uncompressed 716 KB first-party script, and 234 KB uncompressed HTML.", "pathIds": [ "home" ], "artifacts": [ "evidence/home.har", "evidence/home-summary.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Lighthouse, trace summary, layout observers, HAR summary, and image inventory", "evidence": "Lighthouse estimated 735,048 bytes of unused JavaScript and 158,107 bytes of unused CSS; third parties transfer another 968,584 bytes.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-summary.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "axe-core, Lighthouse, DOM/focus probe, and responsive screenshots", "evidence": "axe found critical missing alt text and unnamed select failures, serious unnamed links and prohibited ARIA, plus aria-hidden focusable content.", "pathIds": [ "home" ], "artifacts": [ "evidence/axe-home.json", "evidence/images.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "axe-core, Lighthouse, DOM/focus probe, and responsive screenshots", "evidence": "axe found 23 color-contrast failure nodes, including dates and article-card copy.", "pathIds": [ "home" ], "artifacts": [ "evidence/axe-home.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "axe-core, Lighthouse, DOM/focus probe, and responsive screenshots", "evidence": "axe found nested banner/contentinfo/complementary landmarks, two keyboard-inaccessible scrollable regions, and focusable elements inside aria-hidden #sidebar_page; the direct focus probe found invisible focus on key controls.", "pathIds": [ "home" ], "artifacts": [ "evidence/axe-home.json", "evidence/home-probe.json" ], "findingIds": [ "F17" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "medium", "method": "axe-core, Lighthouse, DOM/focus probe, and responsive screenshots", "evidence": "Desktop article and mobile listing screenshots show readable line lengths, clear heading scale, unclipped body text, and comfortable card spacing.", "pathIds": [ "home" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "axe-core, Lighthouse, DOM/focus probe, and responsive screenshots", "evidence": "axe’s critical meta-viewport rule failed because the viewport prevents text scaling/zooming.", "pathIds": [ "home" ], "artifacts": [ "evidence/axe-home.json", "evidence/lighthouse-home.json" ], "findingIds": [ "F18" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Lighthouse and DOM/document/image probes", "evidence": "Lighthouse’s errors-in-console audit failed on the homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json" ], "findingIds": [ "F19" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Lighthouse and DOM/document/image probes", "evidence": "The image primitive found 60 of 64 images without dimensions, five oversized images, three legacy-format images, and three missing alt values.", "pathIds": [ "home" ], "artifacts": [ "evidence/images.json", "evidence/home-probe.json" ], "findingIds": [ "F20" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Lighthouse and DOM/document/image probes", "evidence": "Lighthouse failed valid-source-maps and inspector-issues audits.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json" ], "findingIds": [ "F21" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "medium", "method": "DOM metadata probe, robots.txt, sitemap.xml, Lighthouse, and discoverability captures", "evidence": "DOM evidence shows a descriptive homepage title and meta description; the representative article also has a content-specific title and raw meta description.", "pathIds": [ "home", "article" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "DOM metadata probe, robots.txt, sitemap.xml, Lighthouse, and discoverability captures", "evidence": "Lighthouse failed crawlable-anchors; axe and Lighthouse also failed the meta-viewport zoom audit.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-home.json", "evidence/axe-home.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "medium", "method": "DOM metadata probe, robots.txt, sitemap.xml, Lighthouse, and discoverability captures", "evidence": "The homepage returns 200, has a self-canonical and fr hreflang, robots.txt permits public content, and sitemap.xml lists forecast URLs.", "pathIds": [ "home", "article" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "high", "method": "DOM metadata probe, robots.txt, sitemap.xml, Lighthouse, and discoverability captures", "evidence": "The DOM probe found zero JSON-LD blocks and zero Open Graph tags even though the site contains organization, forecast/place, and article entities.", "pathIds": [ "article" ], "artifacts": [ "evidence/home-probe.json", "evidence/article-desktop.png" ], "findingIds": [ "F23" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "headers, cookies, trackers, secrets, and HAR primitives", "evidence": "The headers primitive found no CSP, HSTS, nosniff, frame protection, Referrer-Policy, or Permissions-Policy; didomi_token lacks Secure and mfsession uses SameSite=None.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F24" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "headers, cookies, trackers, secrets, and HAR primitives", "evidence": "The tracker primitive found eight third-party origins including Google Tag Manager and DoubleClick; the HAR attributes 33 requests and 968,584 bytes to third parties.", "pathIds": [ "home" ], "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json" ], "findingIds": [ "F25" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "medium", "method": "headers, cookies, trackers, secrets, and HAR primitives", "evidence": "Fresh-load screenshots and runtime probes show no geolocation/notification prompt; no authentication surface exists on representative public paths.", "pathIds": [ "home" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "headers, cookies, trackers, secrets, and HAR primitives", "evidence": "No HSTS, frame-ancestors/X-Frame-Options, Referrer-Policy, Permissions-Policy, or CSP was returned for the main document.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F26" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "medium", "method": "discoverability/no-JS capture, runtime screenshots, and 404 recovery inspection", "evidence": "Discoverability captures show 85% homepage and 100% article content coverage without JavaScript, with title, H1 and description retained.", "pathIds": [ "home", "article" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "issues", "confidence": "high", "method": "discoverability/no-JS capture, runtime screenshots, and 404 recovery inspection", "evidence": "The DOM reports multiple custom modal shells as geometrically visible while axe finds aria-hidden focusable content; the mobile screenshot shows overlapping carousel chrome.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/axe-home.json", "evidence/home-mobile.png" ], "findingIds": [ "F27" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "discoverability/no-JS capture, runtime screenshots, and 404 recovery inspection", "evidence": "Météo-France is a public, network-current content service rather than an installed web app; installability is not required for the audited forecast journey.", "reason": "Météo-France is a public, network-current content service rather than an installed web app; installability is not required for the audited forecast journey." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "medium", "method": "discoverability/no-JS capture, runtime screenshots, and 404 recovery inspection", "evidence": "The tested nonexistent route presents a useful recovery message, home action, and popular destinations instead of a blank shell or infinite spinner.", "pathIds": [ "home", "article" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "issues", "confidence": "high", "method": "DOM language/CSS feature probe and rendered date/time inspection", "evidence": "The DOM probe found html lang=fr and dir=ltr, but no logical-property usage and 450 physical left/right declarations in rendered CSS.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F28" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "medium", "method": "DOM language/CSS feature probe and rendered date/time inspection", "evidence": "Rendered forecast dates, French weekday/month wording, temperatures, and update text are consistently localized for html lang=fr.", "pathIds": [ "home" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "pass", "confidence": "medium", "method": "DOM language/CSS feature probe and rendered date/time inspection", "evidence": "The editorial/forecast content explicitly labels UTC where relevant and location-specific forecast dates remain unambiguous on the Ajaccio path.", "pathIds": [ "home" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "medium", "method": "initial-state screenshots, search input walkthrough, and 404 recovery inspection", "evidence": "Initial desktop/mobile screenshots expose content and vigilance directly, with no confirmshaming, forced continuity, hidden price, or blocking consent choice.", "pathIds": [ "home" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "not-applicable", "confidence": "high", "method": "initial-state screenshots, search input walkthrough, and 404 recovery inspection", "evidence": "The audited site exposes search/navigation but no data-entry form with required or invalid submission states to validate.", "reason": "The audited site exposes search/navigation but no data-entry form with required or invalid submission states to validate." }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "pass", "confidence": "medium", "method": "initial-state screenshots, search input walkthrough, and 404 recovery inspection", "evidence": "The search field provides immediate, descriptive Ajaccio place, beach, and marine suggestions that link directly to the corresponding surfaces.", "pathIds": [ "home" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "not-applicable", "confidence": "high", "method": "initial-state screenshots, search input walkthrough, and 404 recovery inspection", "evidence": "No checkout, subscription, authentication, or account-management flow exists in the representative public surfaces.", "reason": "No checkout, subscription, authentication, or account-management flow exists in the representative public surfaces." }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "HAR summary, image inventory, trace, and tracker inventory", "evidence": "Of 64 images, 60 lack dimensions, 39 below-fold images are not lazy-loaded, five are oversized, 12 lack srcset, and three use legacy formats.", "pathIds": [ "home" ], "artifacts": [ "evidence/images.json", "evidence/home-summary.json" ], "findingIds": [ "F29" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "HAR summary, image inventory, trace, and tracker inventory", "evidence": "Eight third-party origins load on entry; ads, consent, analytics, and wrappers account for 33 requests and 968,584 transferred bytes before user interaction.", "pathIds": [ "home" ], "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json" ], "findingIds": [ "F30" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "HAR summary, image inventory, trace, and tracker inventory", "evidence": "Third parties account for roughly one third of the 2.98 MB load, while the homepage also fetches editorial/video-related resources before they enter the viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json" ], "findingIds": [ "F31" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "high", "method": "discoverability and DOM capability/metadata inspection", "evidence": "Raw HTML coverage is 85% on the homepage and 100% on the article, but the capability probe found no WebMCP/agentic tool registration or structured action surface.", "pathIds": [ "home" ], "artifacts": [ "evidence/discoverability.json", "evidence/article-discoverability.json", "evidence/home-probe.json" ], "findingIds": [ "F32" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "discoverability and DOM capability/metadata inspection", "evidence": "No summarisation or generation task on the audited forecast/content surfaces clearly benefits from on-device inference.", "reason": "No summarisation or generation task on the audited forecast/content surfaces clearly benefits from on-device inference." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "issues", "confidence": "low", "method": "baseline and post-interaction heap summaries after 10 forecast-tab cycles", "evidence": "After ten today/tomorrow cycles, the summary grew from 44.7 MB/1,211,243 nodes to 48.0 MB/1,275,325 nodes (about +3.25 MB and +64k nodes). Separate fresh-browser baselines reduce confidence, so this requires retained-path confirmation.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post.heapsnapshot" ], "findingIds": [ "F33" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "high", "method": "baseline and post-interaction heap summaries after 10 forecast-tab cycles", "evidence": "The baseline heap summary reports 1,211,243 nodes, 4,955,903 edges, 154,521 closures, and 44.7 MB self-size before extended interaction.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/home-summary.json" ], "findingIds": [ "F34" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "baseline and post-interaction heap summaries after 10 forecast-tab cycles", "evidence": "Neither readable heap summary lists Detached* constructors among dominant populations after repeated interaction; no direct detached-DOM growth signal was observed.", "pathIds": [ "home" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F01", "F02", "F03" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F04" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F05", "F06" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F07", "F08" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F09", "F10" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "pass" }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F11", "F12", "F13", "F14" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F15", "F16", "F17", "F18" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F19", "F20", "F21" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F22", "F23" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F24", "F25", "F26" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F27" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "issues", "findingIds": [ "F28" ] }, { "principleId": "be-trustworthy", "expectation": "default", "status": "pass" }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F29", "F30", "F31" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "F32" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F33", "F34" ] } ], "paths": [ { "id": "home", "description": "Homepage and primary forecast/search entry; tested desktop, 360x800, dark, reduced-motion, increased-contrast, keyboard focus, performance, security, privacy, network, no-JS and memory conditions.", "url": "https://meteofrance.com/", "conditions": [ "desktop", "viewport: 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "prefers-contrast: more", "keyboard-only", "JavaScript disabled", "10 repeated forecast-tab cycles" ], "result": "issues" }, { "id": "city", "description": "Ajaccio city forecast detail, representing the shared local-forecast template and destination of the core search journey.", "url": "https://meteofrance.com/previsions-meteo-france/ajaccio/20000", "conditions": [ "desktop", "viewport: 360x800" ], "result": "issues" }, { "id": "listing", "description": "Actualités et dossiers listing, representing editorial index/card templates.", "url": "https://meteofrance.com/actualites-et-dossiers", "conditions": [ "viewport: 360x800" ], "result": "pass" }, { "id": "article", "description": "Representative municipal-services article, covering long-form editorial and crawler-visible content.", "url": "https://meteofrance.com/actualites-et-dossiers/nouvelles-equipes-municipales-meteo-france-vos-cotes", "conditions": [ "desktop", "JavaScript disabled" ], "result": "issues" }, { "id": "search", "description": "Primary location-search flow: type Ajaccio, inspect suggestions, follow the forecast result.", "url": "https://meteofrance.com/", "conditions": [ "keyboard focus", "client-side suggestions" ], "result": "pass" }, { "id": "not-found", "description": "Unknown-route recovery state, representing HTTP/navigation failure handling.", "url": "https://meteofrance.com/this-route-does-not-exist-audit", "conditions": [ "desktop" ], "result": "pass" } ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "Homepage at desktop viewport", "condition": "desktop", "findingIds": [ "F01" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "Homepage at 360x800", "condition": "viewport: 360x800", "findingIds": [ "F05", "F08", "F27" ] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "Homepage under dark preference; appearance is unchanged", "condition": "prefers-color-scheme: dark", "findingIds": [ "F01" ] }, { "type": "screenshot", "path": "evidence/high-contrast.png", "caption": "Homepage under increased-contrast preference; appearance is unchanged", "condition": "prefers-contrast: more", "findingIds": [ "F03" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "Rendered homepage DOM and CSS capture", "findingIds": [] }, { "type": "other", "path": "evidence/home-probe.json", "caption": "Metadata, links, forms, focus styles, modern CSS feature and content probe", "findingIds": [ "F01", "F04", "F05", "F06", "F07", "F09", "F10", "F17", "F20", "F23", "F27", "F28", "F32" ] }, { "type": "layout", "path": "evidence/home-layout.json", "caption": "Homepage desktop CLS, long tasks, and overflow", "findingIds": [] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "Homepage mobile CLS 0.465 and no horizontal overflow", "condition": "viewport: 360x800", "findingIds": [ "F05", "F11", "F12" ] }, { "type": "har", "path": "evidence/home.har", "caption": "Homepage network archive", "findingIds": [ "F13" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "72 requests, 2.98 MB transferred, 0.97 MB third-party", "findingIds": [ "F13", "F14", "F25", "F29", "F30", "F31", "F34" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "Homepage DevTools performance trace", "findingIds": [] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "FCP 2.64s, LCP 10.02s, TBT 76ms trace summary", "findingIds": [ "F11", "F13" ] }, { "type": "discoverability", "path": "evidence/discoverability.json", "caption": "Homepage raw HTML versus rendered content comparison", "findingIds": [ "F32" ] }, { "type": "screenshot", "path": "evidence/discoverability-rendered.png", "caption": "Homepage with JavaScript enabled", "findingIds": [] }, { "type": "screenshot", "path": "evidence/discoverability-crawler.png", "caption": "Homepage crawler view with JavaScript disabled", "findingIds": [] }, { "type": "other", "path": "evidence/headers.json", "caption": "Security response-header audit", "findingIds": [ "F24", "F26" ] }, { "type": "other", "path": "evidence/cookies.json", "caption": "Cookie security and lifetime audit", "findingIds": [ "F24" ] }, { "type": "other", "path": "evidence/trackers.json", "caption": "Third-party tracker inventory", "findingIds": [ "F25", "F30", "F31" ] }, { "type": "other", "path": "evidence/secrets.json", "caption": "Client-side secret scan; zero findings", "findingIds": [] }, { "type": "other", "path": "evidence/images.json", "caption": "Image sizing, loading, format, and alternative-text inventory", "findingIds": [ "F12", "F15", "F20", "F29" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-home.json", "caption": "Lighthouse performance, accessibility, best-practices, SEO and agentic-browsing run", "findingIds": [ "F11", "F14", "F18", "F19", "F21", "F22" ] }, { "type": "other", "path": "evidence/axe-home.json", "caption": "axe-core accessibility violations on homepage", "findingIds": [ "F03", "F07", "F10", "F15", "F16", "F17", "F18", "F22", "F27" ] }, { "type": "other", "path": "evidence/reduced-motion.json", "caption": "Animations remaining under reduced-motion preference", "findingIds": [ "F02" ] }, { "type": "screenshot", "path": "evidence/city-desktop.png", "caption": "Ajaccio forecast detail page", "findingIds": [] }, { "type": "layout", "path": "evidence/city-mobile-layout.json", "caption": "Ajaccio detail mobile CLS 0.658 and overflow metrics", "condition": "viewport: 360x800", "findingIds": [ "F12" ] }, { "type": "screenshot", "path": "evidence/listing-mobile.png", "caption": "News and dossiers listing at mobile viewport", "condition": "viewport: 360x800", "findingIds": [ "F09" ] }, { "type": "layout", "path": "evidence/listing-mobile-layout.json", "caption": "Listing mobile CLS and overflow metrics", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "screenshot", "path": "evidence/article-desktop.png", "caption": "Representative article page", "findingIds": [ "F23" ] }, { "type": "discoverability", "path": "evidence/article-discoverability.json", "caption": "Article raw/rendered comparison with 100% content coverage", "findingIds": [ "F32" ] }, { "type": "screenshot", "path": "evidence/article-discoverability-rendered.png", "caption": "Article with JavaScript enabled", "findingIds": [] }, { "type": "screenshot", "path": "evidence/article-discoverability-crawler.png", "caption": "Article with JavaScript disabled", "findingIds": [] }, { "type": "screenshot", "path": "evidence/not-found.png", "caption": "Helpful 404 recovery page", "findingIds": [] }, { "type": "other", "path": "evidence/not-found-probe.json", "caption": "404 recovery copy and links", "findingIds": [] }, { "type": "other", "path": "evidence/search-flow.json", "caption": "Ajaccio search suggestions and direct forecast destination", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-baseline.heapsnapshot", "caption": "Baseline readable heap summary: 44.7 MB self-size, 1.21M nodes", "findingIds": [ "F33", "F34" ] }, { "type": "heap", "path": "evidence/heap-post.heapsnapshot", "caption": "Post-10-cycle heap summary: 48.0 MB self-size, 1.28M nodes", "findingIds": [ "F33" ] }, { "type": "other", "path": "evidence/robots.txt", "caption": "Public robots policy", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "Public sitemap with forecast URLs", "findingIds": [] } ], "findings": [ { "id": "F01", "severity": "medium", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "summary": "The site does not honor the user’s dark color-scheme preference.", "evidence": "Desktop screenshots under light and prefers-color-scheme: dark are pixel-identical, and the computed root colorScheme is “normal”.", "suggestedFix": "Declare color-scheme and provide preference-driven surface, text, icon, and browser-chrome colors using prefers-color-scheme or light-dark().", "artifacts": [ "evidence/home-desktop.png", "evidence/home-dark.png", "evidence/home-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F02", "severity": "medium", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Animations continue when reduced motion is requested.", "evidence": "The reduced-motion probe confirmed the media query matched while five animations remained running, including four 600ms animations and one 2000ms animation.", "suggestedFix": "Under prefers-reduced-motion: reduce, remove non-essential transitions and auto-motion or reduce them to near-instant state changes.", "artifacts": [ "evidence/reduced-motion.json" ], "effort": "small", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F03", "severity": "medium", "principleId": "respect-user-preferences", "principleCheckId": "respects-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "The interface does not adapt to increased contrast, and existing text contrast failures remain.", "evidence": "The prefers-contrast: more screenshot is visually unchanged; axe found 23 color-contrast failures.", "suggestedFix": "Add forced-colors and prefers-contrast treatments and fix the underlying WCAG contrast failures without suppressing system colors.", "artifacts": [ "evidence/high-contrast.png", "evidence/axe-home.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F04", "severity": "low", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "user-experience", "summary": "Forecast state and document changes use abrupt swaps rather than View Transitions.", "evidence": "The rendered stylesheet probe found no view-transition rules or names across forecast tabs/routes.", "suggestedFix": "Progressively enhance forecast-tab and cross-document changes with View Transitions while preserving instant fallback behavior.", "artifacts": [ "evidence/home-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F05", "severity": "low", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "scrollability-affordance-hints", "guidanceCategory": "user-experience", "summary": "Long pages do not expose scroll progress or scroll-state-aware chrome.", "evidence": "The homepage is 7,911 CSS pixels tall on mobile, while CSS inspection found no scroll-state or timeline feature and the captured header remains static.", "suggestedFix": "Use lightweight scroll-state affordances such as a shrinking sticky header or progress marker, with reduced-motion support.", "artifacts": [ "evidence/home-mobile.png", "evidence/home-mobile-layout.json", "evidence/home-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F06", "severity": "low", "principleId": "provide-guided-navigation", "principleCheckId": "anchored-positioning", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "user-experience", "summary": "Menus and overlay surfaces are manually positioned rather than anchored declaratively.", "evidence": "The DOM contains multiple custom modal/popup containers, while the feature probe found no anchor-name, position-anchor, or position-try usage.", "suggestedFix": "Use popover plus CSS anchor positioning and position-try fallbacks for transient menus and attached overlays.", "artifacts": [ "evidence/home-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F07", "severity": "medium", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "user-experience", "summary": "Overlay UI is implemented as custom div structures rather than semantic dialog/popover primitives.", "evidence": "The DOM probe found repeated .mf_modal and .modal_overlay divs, zero dialog, popover, or details primitives, and axe found focusable content inside aria-hidden UI.", "suggestedFix": "Replace custom modal shells with dialog for modal tasks and popover for transient UI, relying on platform focus, top-layer, Escape, and light-dismiss behavior.", "artifacts": [ "evidence/home-probe.json", "evidence/axe-home.json" ], "effort": "large", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F08", "severity": "medium", "principleId": "maximize-content-reduce-noise", "principleCheckId": "reduced-chrome", "guidanceId": "scrollability-affordance-hints", "guidanceCategory": "user-experience", "summary": "Mobile homepage chrome overlaps and competes with content near the bottom of the first viewport.", "evidence": "The 360x800 screenshot shows a crowded, partially overlapping bottom carousel/navigation strip with clipped labels over editorial content.", "suggestedFix": "Remove or defer non-essential sticky/carousel chrome, reserve its space, and keep one clear content hierarchy at narrow widths.", "artifacts": [ "evidence/home-mobile.png" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F09", "severity": "low", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "user-experience", "summary": "Reusable components rely on viewport styling rather than container-level adaptation.", "evidence": "CSS inspection found no @container rules or container-type declarations across the rendered homepage styles.", "suggestedFix": "Adopt container queries for reused cards, forecast panels, and navigation modules so they respond to their actual available width.", "artifacts": [ "evidence/home-probe.json", "evidence/listing-mobile.png" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F10", "severity": "high", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Keyboard focus is not visibly indicated on important controls.", "evidence": "The focus probe reported outline-style none and no box-shadow for the search input, submit button, menu button, and many navigation links; axe also found non-focusable scroll regions.", "suggestedFix": "Add strong :focus-visible styling, make scrollable regions keyboard focusable, and preserve at least 44x44 CSS-pixel targets.", "artifacts": [ "evidence/home-probe.json", "evidence/axe-home.json" ], "effort": "small", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F11", "severity": "critical", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "performance", "summary": "The primary forecast page loads far outside good Core Web Vitals ranges.", "evidence": "Lighthouse measured LCP 24.0s, CLS 0.592, FCP 6.6s and TBT 400ms (performance score 24); the independent trace measured LCP 10.02s.", "suggestedFix": "Profile the LCP dependency chain, prioritize the LCP asset, reduce server/document latency and render-blocking work, and verify LCP below 2.5s and CLS below 0.1.", "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-trace-summary.json", "evidence/home-mobile-layout.json" ], "effort": "large", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F12", "severity": "high", "principleId": "be-fast-and-stable", "principleCheckId": "visual-stability", "guidanceId": "optimize-image-priority", "guidanceCategory": "user-experience", "summary": "Late content causes severe layout movement on the forecast templates.", "evidence": "The layout primitive measured CLS 0.465 on the mobile homepage and 0.658 on the Ajaccio page; 60 of 64 images lack explicit dimensions.", "suggestedFix": "Reserve image, map, advertising, and async-module space with width/height or aspect-ratio and avoid injecting unreserved content above existing content.", "artifacts": [ "evidence/home-mobile-layout.json", "evidence/city-mobile-layout.json", "evidence/images.json" ], "effort": "medium", "pathId": "city", "url": "https://meteofrance.com/previsions-meteo-france/ajaccio/20000", "confidence": "high" }, { "id": "F13", "severity": "high", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-image-priority", "guidanceCategory": "user-experience", "summary": "Critical delivery is heavy and render-blocked.", "evidence": "The HAR records 2.98 MB across 72 requests, four parser-inserted VeryHigh-priority stylesheets, an uncompressed 716 KB first-party script, and 234 KB uncompressed HTML.", "suggestedFix": "Compress text responses, reduce and inline only truly critical CSS, defer non-critical resources, split the monolithic script, and set useful cache headers.", "artifacts": [ "evidence/home.har", "evidence/home-summary.json", "evidence/home-trace-summary.json" ], "effort": "large", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F14", "severity": "high", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "performance", "guidanceCategory": "performance", "summary": "Large amounts of shipped JavaScript and CSS are unused on the initial forecast view.", "evidence": "Lighthouse estimated 735,048 bytes of unused JavaScript and 158,107 bytes of unused CSS; third parties transfer another 968,584 bytes.", "suggestedFix": "Split code by route/component, remove duplicate and legacy code, conditionally load maps/ads/editorial features, and enforce JavaScript/CSS budgets.", "artifacts": [ "evidence/lighthouse-home.json", "evidence/home-summary.json" ], "effort": "large", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F15", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Controls and visual content have missing or invalid accessible names and roles.", "evidence": "axe found critical missing alt text and unnamed select failures, serious unnamed links and prohibited ARIA, plus aria-hidden focusable content.", "suggestedFix": "Give every control and meaningful image an accessible name, correct invalid roles/ARIA, and remove hidden descendants from the focus order.", "artifacts": [ "evidence/axe-home.json", "evidence/images.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F16", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Text contrast fails WCAG AA in repeated editorial content.", "evidence": "axe found 23 color-contrast failure nodes, including dates and article-card copy.", "suggestedFix": "Update text and surface tokens to achieve at least 4.5:1 for normal text and 3:1 for large text and essential UI.", "artifacts": [ "evidence/axe-home.json" ], "effort": "small", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F17", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Landmarks, focus handling, and keyboard access are inconsistent.", "evidence": "axe found nested banner/contentinfo/complementary landmarks, two keyboard-inaccessible scrollable regions, and focusable elements inside aria-hidden #sidebar_page; the direct focus probe found invisible focus on key controls.", "suggestedFix": "Use top-level landmarks, remove hidden UI from the focus order, make carousels/scroll regions keyboard operable, and provide a logical visible focus sequence.", "artifacts": [ "evidence/axe-home.json", "evidence/home-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F18", "severity": "critical", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "The viewport configuration disables user zoom.", "evidence": "axe’s critical meta-viewport rule failed because the viewport prevents text scaling/zooming.", "suggestedFix": "Remove maximum-scale and user-scalable=no restrictions; retain width=device-width and initial-scale=1 so users can zoom and reflow.", "artifacts": [ "evidence/axe-home.json", "evidence/lighthouse-home.json" ], "effort": "trivial", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F19", "severity": "medium", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "html", "summary": "The production page emits console errors.", "evidence": "Lighthouse’s errors-in-console audit failed on the homepage.", "suggestedFix": "Resolve runtime/network exceptions and add production monitoring that treats uncaught errors as release regressions.", "artifacts": [ "evidence/lighthouse-home.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F20", "severity": "medium", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "guidanceCategory": "html", "summary": "Image asset sizing is unsound despite a valid doctype and UTF-8 charset.", "evidence": "The image primitive found 60 of 64 images without dimensions, five oversized images, three legacy-format images, and three missing alt values.", "suggestedFix": "Emit intrinsic dimensions, responsive srcset/sizes, and appropriately sized modern assets while retaining valid document metadata.", "artifacts": [ "evidence/images.json", "evidence/home-probe.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F21", "severity": "low", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "html", "summary": "The page ships broken inspection metadata and browser issues.", "evidence": "Lighthouse failed valid-source-maps and inspector-issues audits.", "suggestedFix": "Publish matching production source maps to authorized tooling or omit broken references, and clear reported inspector/deprecation issues.", "artifacts": [ "evidence/lighthouse-home.json" ], "effort": "small", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F22", "severity": "medium", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "html", "summary": "Some links are not crawlable and mobile friendliness is weakened by disabled zoom.", "evidence": "Lighthouse failed crawlable-anchors; axe and Lighthouse also failed the meta-viewport zoom audit.", "suggestedFix": "Use real descriptive href values for every navigational link and allow user scaling in the viewport metadata.", "artifacts": [ "evidence/lighthouse-home.json", "evidence/axe-home.json" ], "effort": "small", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F23", "severity": "medium", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "guidanceCategory": "html", "summary": "Rich pages do not expose structured data or social-preview metadata.", "evidence": "The DOM probe found zero JSON-LD blocks and zero Open Graph tags even though the site contains organization, forecast/place, and article entities.", "suggestedFix": "Add accurate JSON-LD and Open Graph/Twitter metadata that matches visible Organization, Article, Place, and weather content.", "artifacts": [ "evidence/home-probe.json", "evidence/article-desktop.png" ], "effort": "medium", "pathId": "article", "url": "https://meteofrance.com/actualites-et-dossiers/nouvelles-equipes-municipales-meteo-france-vos-cotes", "confidence": "high" }, { "id": "F24", "severity": "high", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "summary": "HTTPS is used, but baseline security headers and cookie protections are missing.", "evidence": "The headers primitive found no CSP, HSTS, nosniff, frame protection, Referrer-Policy, or Permissions-Policy; didomi_token lacks Secure and mfsession uses SameSite=None.", "suggestedFix": "Deploy a restrictive CSP, HSTS, nosniff, clickjacking defense, Referrer-Policy and Permissions-Policy; mark all HTTPS cookies Secure and use the strictest workable SameSite.", "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F25", "severity": "high", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "privacy", "summary": "The default page load has a large tracking and advertising footprint.", "evidence": "The tracker primitive found eight third-party origins including Google Tag Manager and DoubleClick; the HAR attributes 33 requests and 968,584 bytes to third parties.", "suggestedFix": "Load non-essential analytics/advertising only after valid consent, minimize vendors and event volume, batch telemetry, and document retention and purposes.", "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json" ], "effort": "large", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F26", "severity": "high", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "summary": "Browser-enforced defensive policies are absent.", "evidence": "No HSTS, frame-ancestors/X-Frame-Options, Referrer-Policy, Permissions-Policy, or CSP was returned for the main document.", "suggestedFix": "Set HSTS, CSP with frame-ancestors and Trusted Types where feasible, strict referrer handling, and a least-privilege Permissions-Policy.", "artifacts": [ "evidence/headers.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F27", "severity": "medium", "principleId": "be-resilient", "principleCheckId": "resilient-runtime-behaviour", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "user-experience", "summary": "Custom hidden/runtime UI has inconsistent visibility and focus state.", "evidence": "The DOM reports multiple custom modal shells as geometrically visible while axe finds aria-hidden focusable content; the mobile screenshot shows overlapping carousel chrome.", "suggestedFix": "Move transient UI to dialog/popover top-layer primitives, synchronize hidden/inert/focus state, and test narrow-edge positioning and async open/close cycles.", "artifacts": [ "evidence/home-probe.json", "evidence/axe-home.json", "evidence/home-mobile.png" ], "effort": "large", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F28", "severity": "medium", "principleId": "be-internationalised", "principleCheckId": "lang-dir-and-logical-properties", "guidanceId": "translator", "guidanceCategory": "internationalization", "summary": "The French language is declared correctly, but layout CSS is not writing-mode resilient.", "evidence": "The DOM probe found html lang=fr and dir=ltr, but no logical-property usage and 450 physical left/right declarations in rendered CSS.", "suggestedFix": "Migrate layout spacing, sizing, and positioning to logical properties and test translated and RTL expansion even if French remains the primary locale.", "artifacts": [ "evidence/home-probe.json" ], "effort": "large", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F29", "severity": "medium", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "user-experience", "summary": "Image delivery wastes bytes and creates layout risk.", "evidence": "Of 64 images, 60 lack dimensions, 39 below-fold images are not lazy-loaded, five are oversized, 12 lack srcset, and three use legacy formats.", "suggestedFix": "Generate right-sized AVIF/WebP variants with srcset/sizes, lazy-load below-fold images, and include intrinsic dimensions.", "artifacts": [ "evidence/images.json", "evidence/home-summary.json" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F30", "severity": "medium", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "user-experience", "summary": "Non-essential third-party work consumes substantial resources during initial load.", "evidence": "Eight third-party origins load on entry; ads, consent, analytics, and wrappers account for 33 requests and 968,584 transferred bytes before user interaction.", "suggestedFix": "Defer non-essential vendors until consent and intent, remove low-value wrappers, and budget third-party CPU/network cost.", "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json" ], "effort": "large", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F31", "severity": "medium", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "user-experience", "summary": "Third-party scripts and media are disproportionate to the immediate forecast task.", "evidence": "Third parties account for roughly one third of the 2.98 MB load, while the homepage also fetches editorial/video-related resources before they enter the viewport.", "suggestedFix": "Conditionally load ads, video embeds, and editorial media near interaction/viewport; set per-template third-party and media budgets.", "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json" ], "effort": "large", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F32", "severity": "low", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "guidanceCategory": "ai", "summary": "Forecast capability is crawler-visible but not exposed as a safe structured agent action.", "evidence": "Raw HTML coverage is 85% on the homepage and 100% on the article, but the capability probe found no WebMCP/agentic tool registration or structured action surface.", "suggestedFix": "Treat this as an emerging opportunity: expose read-only location lookup and forecast retrieval as schema-described, permission-bounded agent tools.", "artifacts": [ "evidence/discoverability.json", "evidence/article-discoverability.json", "evidence/home-probe.json" ], "effort": "large", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "high" }, { "id": "F33", "severity": "medium", "principleId": "be-memory-efficient", "principleCheckId": "no-leak-under-repeated-interaction", "guidanceId": "manage-recurring-intervals", "guidanceCategory": "user-experience", "summary": "Repeated forecast-tab interaction increases retained heap and node count.", "evidence": "After ten today/tomorrow cycles, the summary grew from 44.7 MB/1,211,243 nodes to 48.0 MB/1,275,325 nodes (about +3.25 MB and +64k nodes). Separate fresh-browser baselines reduce confidence, so this requires retained-path confirmation.", "suggestedFix": "Capture baseline/target/final snapshots in one session, identify retained paths, and clean up listeners, timers, nodes, and caches on forecast-state teardown.", "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/heap-post.heapsnapshot" ], "effort": "medium", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "low" }, { "id": "F34", "severity": "medium", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "performance", "guidanceCategory": "performance", "summary": "The initial page has a large memory footprint for a forecast/content page.", "evidence": "The baseline heap summary reports 1,211,243 nodes, 4,955,903 edges, 154,521 closures, and 44.7 MB self-size before extended interaction.", "suggestedFix": "Reduce initial modules and DOM, virtualize or defer below-fold content, and conditionally initialize maps, ads, and editorial features.", "artifacts": [ "evidence/heap-baseline.heapsnapshot", "evidence/home-summary.json" ], "effort": "large", "pathId": "home", "url": "https://meteofrance.com/", "confidence": "medium" } ], "taskList": [ { "id": "T01", "title": "Fix LCP, CLS, compression, and critical resource delivery", "priority": 1, "findingIds": [ "F11", "F12", "F13" ], "guidanceId": "performance", "status": "open" }, { "id": "T02", "title": "Restore zoom, visible focus, semantic names, roles, and contrast", "priority": 2, "findingIds": [ "F10", "F15", "F16", "F17", "F18" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T03", "title": "Deploy security headers and consent-gate third-party trackers", "priority": 3, "findingIds": [ "F24", "F25", "F26" ], "guidanceId": "security", "status": "open" }, { "id": "T04", "title": "Split unused code and conditionally initialize heavy modules", "priority": 4, "findingIds": [ "F14", "F34" ], "guidanceId": "performance", "status": "open" }, { "id": "T05", "title": "Replace custom modal shells with dialog/popover and resilient focus handling", "priority": 5, "findingIds": [ "F06", "F07", "F27" ], "guidanceId": "declarative-dialog-popover-control", "status": "open" }, { "id": "T06", "title": "Optimize responsive images and defer below-fold media", "priority": 6, "findingIds": [ "F20", "F29", "F31" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T07", "title": "Honor dark, reduced-motion, and increased-contrast preferences", "priority": 7, "findingIds": [ "F01", "F02", "F03" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T08", "title": "Repair crawlable links and add JSON-LD/social metadata", "priority": 8, "findingIds": [ "F22", "F23" ], "guidanceId": "html", "status": "open" }, { "id": "T09", "title": "Modernize responsive and mobile content chrome", "priority": 9, "findingIds": [ "F05", "F08", "F09" ], "guidanceId": "size-aware-styling", "status": "open" }, { "id": "T10", "title": "Confirm and eliminate retained growth in a single-session heap study", "priority": 10, "findingIds": [ "F33" ], "guidanceId": "manage-recurring-intervals", "status": "open" }, { "id": "T11", "title": "Migrate layout CSS to logical properties", "priority": 11, "findingIds": [ "F28" ], "guidanceId": "translator", "status": "open" }, { "id": "T12", "title": "Evaluate a read-only structured forecast agent surface", "priority": 12, "findingIds": [ "F32" ], "guidanceId": "webmcp", "status": "open" } ], "budget": { "wallClockSeconds": 2400, "pathCount": 6, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-20T02-01-12-254Z" }