{ "url": "https://www.meteociel.fr", "auditedAt": "2026-07-23T19:48:38.271Z", "mode": "report", "status": "completed", "statusDetail": "Coverage-complete audit of six representative paths. Excluded: authenticated post-observation/photo submission and forum content because they require credentials or are a separate host; duplicate weather/model templates were represented by the selected observation, city forecast, and AROME paths.", "page": { "appType": "mpa", "framework": "server-rendered legacy HTML/JavaScript", "notes": "Public French weather portal with a fixed-width table shell, dense global navigation, live maps/models, account login, advertising, Matomo analytics, and an IAB consent layer." }, "evidenceUsed": [ "screenshot", "dom", "layout-metrics", "evaluate-probe", "axe-core", "lighthouse", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "robots/sitemap HTTP fetch" ], "guidanceConsulted": [ "accessibility", "accessible-error-announcement", "language-detection", "language-model", "summarizer", "translator", "css", "highlight-text-ranges", "css-layout", "animated-select-picker", "autofill-address-form", "autofill-highlight-inputs", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "brand-consistent-forms", "branded-select-styling", "custom-select-picker-layouts", "form-fields-automatically-fit-contents", "forms", "required-field-feedback", "rich-media-picker", "select-menu-interaction", "validate-input-after-interaction", "html", "passkey-authentication", "passkey-conditional-create", "passkey-management", "passkey-reauthentication", "passkey-registration", "passkeys", "batch-analytics-events", "break-up-long-tasks", "calculate-total-foreground-time", "conditional-async-dependencies", "defer-rendering-heavy-content", "defer-work-until-scroll-ends", "deprioritize-background-fetches", "detect-initial-visibility-state", "efficient-background-processing", "faster-spa-view-transitions", "full-session-analytics", "identify-heavy-scripts", "identify-inp-causes", "improve-next-page-load-performance", "interactions-in-complex-layouts", "optimize-image-priority", "optimize-preload-priority", "optimize-script-priority", "performance", "resolution-optimized-pseudo-elements", "schedule-tasks-by-priority", "sequence-distributed-events", "privacy", "security", "adapt-scrollbar-to-contrast-preferences", "anchor-positioning-tab-underline", "animate-element-entry-exit", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "apply-webgl-shaders", "calculate-event-differentials", "calculate-with-intrinsic-sizes", "capture-location-agnostic-data", "carousel-slide-effects", "carousel-snap-highlights", "child-state-based-styling", "complex-shapes", "component-specific-light-dark-theme", "consistent-cross-document-transitions", "content-based-styling", "coordinate-global-events", "cross-document-transitions", "customize-scrollbar-color-and-thickness", "dark-mode", "declarative-button-actions", "declarative-dialog-popover-control", "deliver-optimized-decorative-images", "design-token-reactivity", "directional-navigation-transitions", "dynamic-sibling-animations", "dynamic-sibling-styling", "export-html-media-from-canvas", "expose-canvas-content-to-browser-features", "flicker-free-client-side-ab-testing", "fluid-scaling", "format-human-readable-durations", "group-element-transitions", "improve-text-layout-and-legibility", "individual-transform-properties", "interactive-content-in-3d-scenes", "interactive-content-reveal", "interest-triggered-action-previews", "interest-triggered-tooltips", "light-dismiss-a-dialog", "manage-recurring-intervals", "model-partial-time-concepts", "move-dom-element-without-losing-state", "navigation-drawer", "overflow-clipping-control", "parallax-scroll-effects", "persistent-app-tours", "persistent-toast-notifications", "persistent-top-layer-ui", "physics-based-easing", "platform-controls-dismiss-dialog", "position-aware-tooltips", "precise-text-alignment", "prevent-text-wrapping", "pull-to-reveal", "reduce-style-repetition", "resilient-context-menus-and-nested-dropdowns", "same-document-transitions", "scroll-entry-exit-effects", "scroll-position-aware-elements", "scroll-progress-indicator", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "scrollability-affordance-hints", "scrollytelling", "search-hidden-content", "shaped-cutouts", "shrinking-header-on-scroll", "size-aware-styling", "soft-edge-content-fade", "stabilize-reactive-state", "stack-drill-down", "style-parent-with-has", "support-global-calendar-systems", "swipe-to-remove", "visually-stable-font-fallbacks", "visually-stable-mixed-fonts", "visually-texture-content", "agentic-forms", "agentic-javascript-tools", "webmcp" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark", "findingIds": [ "F01" ] }, { "type": "other", "path": "evidence/reduced-motion-probe.json", "caption": "reduced motion probe", "findingIds": [ "F02", "F35" ] }, { "type": "screenshot", "path": "evidence/home-high-contrast.png", "caption": "home high contrast", "findingIds": [] }, { "type": "other", "path": "evidence/home-probe.json", "caption": "home probe", "findingIds": [ "F03", "F05", "F07", "F10", "F12", "F18", "F23", "F24", "F25", "F30" ] }, { "type": "screenshot", "path": "evidence/home-content.png", "caption": "home content", "findingIds": [ "F04", "F08", "F12" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop", "findingIds": [ "F06", "F07" ] }, { "type": "screenshot", "path": "evidence/observations.png", "caption": "observations", "findingIds": [ "F06" ] }, { "type": "screenshot", "path": "evidence/city-forecast.png", "caption": "city forecast", "findingIds": [ "F06" ] }, { "type": "screenshot", "path": "evidence/model.png", "caption": "model", "findingIds": [ "F06" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile", "findingIds": [ "F08", "F09", "F11", "F19", "F20" ] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "home mobile layout", "findingIds": [ "F09" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "lighthouse", "findingIds": [ "F11", "F13", "F14", "F15", "F17", "F20", "F21" ] }, { "type": "dom", "path": "evidence/city-search-result-dom.json", "caption": "city search result dom", "findingIds": [] }, { "type": "dom", "path": "evidence/404-dom.json", "caption": "404 dom", "findingIds": [] }, { "type": "other", "path": "evidence/404-status.txt", "caption": "404 status", "findingIds": [] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary", "findingIds": [ "F13" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "home summary", "findingIds": [ "F14", "F15", "F27", "F35" ] }, { "type": "other", "path": "evidence/axe.json", "caption": "axe", "findingIds": [ "F16", "F17", "F18" ] }, { "type": "other", "path": "evidence/images.json", "caption": "images", "findingIds": [ "F16", "F21", "F34" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-details.json", "caption": "lighthouse details", "findingIds": [ "F22", "F23" ] }, { "type": "other", "path": "evidence/observations-probe.json", "caption": "observations probe", "findingIds": [] }, { "type": "other", "path": "evidence/city-forecast-probe.json", "caption": "city forecast probe", "findingIds": [ "F30", "F33" ] }, { "type": "other", "path": "evidence/model-probe.json", "caption": "model probe", "findingIds": [] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots", "findingIds": [ "F24" ] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "sitemap", "findingIds": [ "F24" ] }, { "type": "other", "path": "evidence/headers.json", "caption": "headers", "findingIds": [ "F26", "F29" ] }, { "type": "other", "path": "evidence/cookies.json", "caption": "cookies", "findingIds": [ "F26" ] }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers", "findingIds": [ "F27" ] }, { "type": "other", "path": "evidence/login-probe.json", "caption": "login probe", "findingIds": [ "F28", "F33" ] }, { "type": "discoverability", "path": "evidence/discoverability.json", "caption": "discoverability", "findingIds": [] }, { "type": "screenshot", "path": "evidence/discoverability-crawler.png", "caption": "discoverability crawler", "findingIds": [] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom", "findingIds": [ "F31", "F32" ] }, { "type": "heap", "path": "evidence/heap-baseline.json", "caption": "heap baseline", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-post.json", "caption": "heap post", "findingIds": [] }, { "type": "other", "path": "evidence/memory-metrics.json", "caption": "memory metrics", "findingIds": [] } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 58, "blocked": 0, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": true }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The dark-condition screenshot is visually identical to the light capture: the content and consent surface remain light, and the DOM/CSS probe found no adaptive theme mechanism.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The reduced-motion probe confirmed the preference but still found the animated satellite GIF anim_ir_small.gif and other GIF resources, with no reduction mechanism.", "pathIds": [ "home" ], "artifacts": [ "evidence/reduced-motion-probe.json" ], "findingIds": [ "F02" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "screenshot under forced-colors and prefers-contrast", "evidence": "Forced-colours/high-contrast emulation screenshot shows text, links, inputs, and consent controls remain visible with system colours.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-high-contrast.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The DOM/CSS probe found no view-transition usage across the global shell; navigation is a dense set of conventional full-document swaps.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F03" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-state applicability review.", "evidence": "No scroll-linked parallax, scrollytelling, or reveal interaction exists on the audited templates, so there is no scroll animation implementation to judge.", "reason": "No scroll-linked parallax, scrollytelling, or reveal interaction exists on the audited templates, so there is no scroll animation implementation to judge." }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "high", "method": "DOM and interaction review", "evidence": "Audited navigation and form controls use ordinary browser click/scroll behaviour; the probe found no custom pointer-driven gesture layer that fights platform interaction.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The full-page screenshots show a large persistent left navigation, while CSS inspection found no scroll-state query, progress indicator, or shrinking-header treatment.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-content.png" ], "findingIds": [ "F04" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-state applicability review.", "evidence": "No tooltip, popover, or floating menu requiring anchor positioning was present on the audited representative states.", "reason": "No tooltip, popover, or floating menu requiring anchor positioning was present on the audited representative states." }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Across homepage, observations, forecast, and model probes there is no H1; hundreds of similarly styled links compete with page content and state changes have no directional cue.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F05" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Desktop screenshots on four archetypes show the same modal-like panel covering most of the content before interaction. A reject/continue link exists, but the interruption still dominates the entry state.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/observations.png", "evidence/city-forecast.png", "evidence/model.png" ], "findingIds": [ "F06" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The overlay visibly behaves modally, but the DOM probe found zero dialog, popover, or details elements.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/home-desktop.png" ], "findingIds": [ "F07" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The screenshots show a fixed 950px table shell, a very long left menu, many borders, tiny controls, and competing panels; at mobile size the entire desktop composition is scaled down.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-content.png", "evidence/home-mobile.png" ], "findingIds": [ "F08" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The 360x800 capture renders a roughly 992px layout at scale 0.36. Layout evidence reports no viewport meta and a 992px CSS viewport; the DOM probe also sees 992px content against a 780px default viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/home-mobile-layout.json" ], "findingIds": [ "F09" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The CSS probe found no container queries or logical properties, while the same fixed shell is used across forecast, observation, login, and model archetypes.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F10" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Lighthouse target-size failed and the mobile screenshot shows densely packed, tiny navigation links; the focus probe did confirm a 1px browser outline on the first link.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-mobile.png" ], "findingIds": [ "F11" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The home probe found no H1, 263 links, and only sidebar H3 headings; the first viewport gives comparable weight to menus, ads/search, maps, observations, and models.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-content.png", "evidence/home-probe.json" ], "findingIds": [ "F12" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "high", "method": "forecast flow request plus rendered DOM", "evidence": "Submitting Paris through the city lookup produced a titled city-search result with forecast-location links and no account wall or dead end.", "pathIds": [ "city-forecast" ], "artifacts": [ "evidence/city-search-result-dom.json" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "HTTP status plus rendered 404 DOM", "evidence": "A deliberately invalid route returned HTTP 404 and a clear French error page with links back home and to the forum.", "pathIds": [ "error-404" ], "artifacts": [ "evidence/404-dom.json", "evidence/404-status.txt" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Lighthouse measured LCP at 6.05s (performance 0.76), outside the 2.5s good threshold, although CLS was 0.0015 and TBT 22ms. The unthrottled trace measured LCP 2.66s.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "Lighthouse and layout observer", "evidence": "Lighthouse measured CLS 0.0015 and the layout primitive observed CLS 0 during capture, both within the good range.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-mobile-layout.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "Lighthouse plus trace summary", "evidence": "Lighthouse measured TBT 22ms and the trace recorded zero long tasks and 0ms total blocking time.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Lighthouse estimates 950ms render-blocking savings and 497KiB cache-lifetime savings. HAR confirms seven parser-inserted stylesheets and 918KB transferred across 60 requests.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Lighthouse estimates 218KiB unused JavaScript. HAR shows scripts account for 435KB transferred, led by roughly 202KB of ad implementation code.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-summary.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "axe found 178 image-map areas without alternative text, 9 exposed images without alt, 2 unlabeled controls, 2 unnamed links, and an untitled iframe. The image primitive counted 29 images without alt.", "pathIds": [ "home" ], "artifacts": [ "evidence/axe.json", "evidence/images.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "axe found two definite serious contrast failures and 135 additional nodes requiring review; Lighthouse’s colour-contrast audit also failed.", "pathIds": [ "home" ], "artifacts": [ "evidence/axe.json", "evidence/lighthouse.json" ], "findingIds": [ "F17" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The probe found no H1, no main/header/footer landmarks, and only sidebar H3s; axe reports 22 regions outside landmarks and malformed definition-list structure.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/axe.json" ], "findingIds": [ "F18" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The 360px screenshot scales the desktop layout to roughly 36%, making navigation, tables, and weather values illegible without zoom.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ], "findingIds": [ "F19" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "There is no viewport meta; Lighthouse flags viewport and target-size problems, and the 360px capture shows the full fixed-width site compressed into one screen.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/lighthouse.json" ], "findingIds": [ "F20" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "pass", "confidence": "high", "method": "Lighthouse console audit", "evidence": "Lighthouse errors-in-console audit passed with no logged items.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-details.json" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The image primitive found 92 of 95 images without both dimensions, 95 legacy-format images, and one oversized image; Lighthouse also flags incorrect aspect ratio and unsized images.", "pathIds": [ "home" ], "artifacts": [ "evidence/images.json", "evidence/lighthouse.json" ], "findingIds": [ "F21" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Lighthouse found Cache-Control: no-store prevents BFCache restoration and its inspector-issues audit failed, although no deprecated APIs or console errors were reported.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-details.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "high", "method": "DOM metadata inspection", "evidence": "Representative pages expose unique descriptive titles; the homepage also has a detailed meta description.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/observations-probe.json", "evidence/city-forecast-probe.json", "evidence/model-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Lighthouse found onclick-only region links without href; the DOM has five anchors without href and no viewport meta. robots.txt itself is valid.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-details.json", "evidence/home-probe.json" ], "findingIds": [ "F23" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The public homepage returns 200 but has no rel=canonical. robots.txt advertises HTTP sitemap text files, while /sitemap.xml returns the site’s HTML 404 document.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/robots.txt", "evidence/sitemap.xml" ], "findingIds": [ "F24" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The probe found zero JSON-LD blocks and zero Open Graph tags on the homepage, despite its clear organization/weather-data identity.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F25" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Headers show HSTS and nosniff but no CSP. Two Matomo cookies are not Secure, including a 393-day identifier.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F26" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "HAR attributes 54 of 60 requests and 700KB of 918KB transferred to non-main origins; tracker evidence identifies DoubleClick, and scripts include Matomo and consent tooling.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json" ], "findingIds": [ "F27" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The login probe found a password form with no WebAuthn/passkey support and empty autocomplete values. No permission prompt appeared on initial load.", "pathIds": [ "login" ], "artifacts": [ "evidence/login-probe.json" ], "findingIds": [ "F28" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Headers lack frame-ancestors/X-Frame-Options, Referrer-Policy, and Permissions-Policy in addition to CSP; HSTS and nosniff are present.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F29" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "high", "method": "raw HTML vs rendered discoverability comparison", "evidence": "Discoverability evidence fetched HTTP 200 raw HTML and found 100% rendered-content coverage without JavaScript; the crawler view retains the content.", "pathIds": [ "home" ], "artifacts": [ "evidence/discoverability.json", "evidence/discoverability-crawler.png" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "multi-path screenshots and Lighthouse console audit", "evidence": "The audited menu, consent, search, and model states rendered without cut-off floating overlays or uncaught runtime errors; conventional server navigation preserves stable state.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/lighthouse-details.json" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-state applicability review.", "evidence": "The audited core is live weather and forecast data whose value depends on current network data; installability/offline app behaviour is not an evident product intent.", "reason": "The audited core is live weather and forecast data whose value depends on current network data; installability/offline app behaviour is not an evident product intent." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "HTTP and DOM failure-state test", "evidence": "The invalid route returns a genuine 404 with explicit recovery links rather than a blank shell or misleading success response.", "pathIds": [ "error-404" ], "artifacts": [ "evidence/404-dom.json", "evidence/404-status.txt" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "All representative probes report an empty html lang; the CSS probe found no logical properties. The site visibly serves locations beyond France.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json", "evidence/city-forecast-probe.json" ], "findingIds": [ "F30" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Rendered weather dates and labels are French while html has no language and the inspected markup exposes no locale selector or Intl-based client formatting.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ], "findingIds": [ "F31" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The homepage renders observation/update times such as 21:50 for geographically varied data, but no visible zone indicator or machine-readable time semantics were found in the representative DOM.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ], "findingIds": [ "F32" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "consent screenshot and flow review", "evidence": "The consent panel includes a visible “Continue without accepting” choice and the inspected weather flow has no forced purchase, continuity, or confirmshaming.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-state applicability review.", "evidence": "The representative city lookup is a search rather than a required transactional form and exposes no required-field validation sequence to exercise.", "reason": "The representative city lookup is a search rather than a required transactional form and exposes no required-field validation sequence to exercise." }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "The forecast and login probes found no autocomplete tokens on city, username, or password inputs.", "pathIds": [ "login" ], "artifacts": [ "evidence/city-forecast-probe.json", "evidence/login-probe.json" ], "findingIds": [ "F33" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "pass", "confidence": "high", "method": "login DOM walkthrough", "evidence": "The audited account page clearly identifies sign-in, account creation, and credential-recovery links; no purchase/subscription commitment is present.", "pathIds": [ "login" ], "artifacts": [ "evidence/login-probe.json" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "medium", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "All 95 inspected images use PNG/GIF/JPEG-era formats, 84 below-fold images are eager, 92 lack dimensions, and responsive sources are largely absent.", "pathIds": [ "home" ], "artifacts": [ "evidence/images.json" ], "findingIds": [ "F34" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "pass", "confidence": "high", "method": "trace and layout observers", "evidence": "Trace and layout observers recorded no long tasks, and the initial page settles without sustained main-thread work; separate third-party/media transfer waste is recorded under its own check.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace-summary.json", "evidence/home-mobile-layout.json" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Direct artifact review using the check-specific screenshot, DOM/evaluate, Lighthouse, HAR, header, or accessibility evidence cited.", "evidence": "Third parties account for 700KB and 54 requests; ad code alone is about 240KB, while an animated satellite GIF transfers about 100KB and continues under reduced motion.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json", "evidence/reduced-motion-probe.json" ], "findingIds": [ "F35" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-state applicability review.", "evidence": "No declared agent-facing product intent was found; this emerging capability is treated as an opportunity rather than an obligation.", "reason": "No declared agent-facing product intent was found; this emerging capability is treated as an opportunity rather than an obligation." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Recon and representative-state applicability review.", "evidence": "No summarisation or generative task is part of the weather lookup experience, so on-device inference is not applicable.", "reason": "No summarisation or generative task is part of the weather lookup experience, so on-device inference is not applicable." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "medium", "method": "baseline and post-interaction heap summaries plus runtime metrics", "evidence": "After toggling a real navigation section ten times, heap self-size increased only about 0.4% (10,020,214 to 10,061,556 bytes), and DOM element count stayed 1,086.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post.json", "evidence/memory-metrics.json" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "pass", "confidence": "medium", "method": "heap summary and runtime metrics", "evidence": "Baseline heap summary reports about 10.0MB self-size for this dense server-rendered page, proportionate to its 1,086-element DOM and third-party scripts.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/memory-metrics.json" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "before/after heap and DOM-count comparison", "evidence": "Ten menu toggles left DOM element count unchanged at 1,086, heap growth was small, and no Detached constructor appeared among the heap summary’s dominant constructors.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post.json", "evidence/memory-metrics.json" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F01", "F02" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F03" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F04", "F05" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F06", "F07", "F08" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F09", "F10", "F11" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "issues", "findingIds": [ "F12" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F13", "F14", "F15" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F16", "F17", "F18", "F19", "F20" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F21", "F22" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F23", "F24", "F25" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F26", "F27", "F28", "F29" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "pass" }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "issues", "findingIds": [ "F30", "F31", "F32" ] }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F33" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F34", "F35" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "All checks are contextual and not applicable to the audited site intent: No declared agent-facing product intent was found; this emerging capability is treated as an opportunity rather than an obligation.; No summarisation or generative task is part of the weather lookup experience, so on-device inference is not applicable." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "home", "description": "Homepage and weather dashboard, representing the global shell, navigation, current conditions, consent entry state, and primary content overview.", "url": "https://www.meteociel.fr/", "conditions": [ "desktop load", "360x800 mobile", "prefers-color-scheme: dark", "prefers-contrast: more", "prefers-reduced-motion: reduce", "keyboard focus", "JavaScript disabled crawler view" ], "result": "issues" }, { "id": "observations", "description": "Real-time observations listing/map, representing the main live-data browsing archetype.", "url": "https://www.meteociel.fr/observations-meteo/temps-reel.php", "conditions": [ "desktop load" ], "result": "issues" }, { "id": "city-forecast", "description": "City forecast search and Paris result, representing the primary forecast lookup form and completion flow.", "url": "https://www.meteociel.fr/prevville.php", "conditions": [ "desktop load", "search for Paris" ], "result": "issues" }, { "id": "model", "description": "AROME model map/index, representing dense model and image-heavy specialist pages.", "url": "https://www.meteociel.fr/modeles/arome.php", "conditions": [ "desktop load" ], "result": "issues" }, { "id": "login", "description": "Account sign-in, included because authentication, autofill, and secure account handling are high-risk contextual checks.", "url": "https://www.meteociel.fr/connexion.php", "conditions": [ "desktop load", "DOM form inspection" ], "result": "issues" }, { "id": "error-404", "description": "Deliberately invalid route, representing HTTP failure and recovery behaviour.", "url": "https://www.meteociel.fr/definitely-not-a-real-page-web-uplift", "conditions": [ "HTTP 404" ], "result": "pass" } ], "findings": [ { "id": "F01", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "severity": "medium", "confidence": "medium", "summary": "The interface does not honour the user’s dark colour preference.", "evidence": "The dark-condition screenshot is visually identical to the light capture: the content and consent surface remain light, and the DOM/CSS probe found no adaptive theme mechanism.", "artifacts": [ "evidence/home-dark.png" ], "suggestedFix": "Declare color-scheme and provide preference-driven surface/text tokens with prefers-color-scheme or light-dark().", "effort": "medium" }, { "id": "F02", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "severity": "medium", "confidence": "medium", "summary": "Auto-animated imagery continues when reduced motion is requested.", "evidence": "The reduced-motion probe confirmed the preference but still found the animated satellite GIF anim_ir_small.gif and other GIF resources, with no reduction mechanism.", "artifacts": [ "evidence/reduced-motion-probe.json" ], "suggestedFix": "Replace nonessential animated GIFs with controlled media and show a still frame under prefers-reduced-motion: reduce.", "effort": "small" }, { "id": "F03", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "cross-document-transitions", "severity": "low", "confidence": "medium", "summary": "Navigation and state changes are abrupt.", "evidence": "The DOM/CSS probe found no view-transition usage across the global shell; navigation is a dense set of conventional full-document swaps.", "artifacts": [ "evidence/home-probe.json" ], "suggestedFix": "Add progressive cross-document View Transitions for same-origin navigation, while respecting reduced motion.", "effort": "medium" }, { "id": "F04", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "shrinking-header-on-scroll", "severity": "low", "confidence": "medium", "summary": "The extensive navigation chrome does not respond to scroll position.", "evidence": "The full-page screenshots show a large persistent left navigation, while CSS inspection found no scroll-state query, progress indicator, or shrinking-header treatment.", "artifacts": [ "evidence/home-content.png" ], "suggestedFix": "Use responsive, scroll-aware navigation cues where they improve orientation, without adding more chrome.", "effort": "medium" }, { "id": "F05", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "provide-guided-navigation", "principleCheckId": "directs-attention", "guidanceId": "directional-navigation-transitions", "severity": "medium", "confidence": "medium", "summary": "Dense navigation provides weak attention and location cues.", "evidence": "Across homepage, observations, forecast, and model probes there is no H1; hundreds of similarly styled links compete with page content and state changes have no directional cue.", "artifacts": [ "evidence/home-probe.json" ], "suggestedFix": "Add one clear page heading, current-location state, and stronger hierarchy for the active task.", "effort": "medium" }, { "id": "F06", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "severity": "high", "confidence": "high", "summary": "A large consent interstitial obscures the core weather content on every fresh page load.", "evidence": "Desktop screenshots on four archetypes show the same modal-like panel covering most of the content before interaction. A reject/continue link exists, but the interruption still dominates the entry state.", "artifacts": [ "evidence/home-desktop.png", "evidence/observations.png", "evidence/city-forecast.png", "evidence/model.png" ], "suggestedFix": "Use a compact consent surface that keeps core content usable, with equally prominent accept and reject choices.", "effort": "medium" }, { "id": "F07", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "severity": "medium", "confidence": "medium", "summary": "The consent overlay is not exposed as a native dialog.", "evidence": "The overlay visibly behaves modally, but the DOM probe found zero dialog, popover, or details elements.", "artifacts": [ "evidence/home-probe.json", "evidence/home-desktop.png" ], "suggestedFix": "Implement the modal flow with , correct focus management, Escape handling, and declarative dismissal.", "effort": "medium" }, { "id": "F08", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "reduced-chrome", "guidanceId": "improve-text-layout-and-legibility", "severity": "high", "confidence": "high", "summary": "Application chrome crowds out the weather content.", "evidence": "The screenshots show a fixed 950px table shell, a very long left menu, many borders, tiny controls, and competing panels; at mobile size the entire desktop composition is scaled down.", "artifacts": [ "evidence/home-content.png", "evidence/home-mobile.png" ], "suggestedFix": "Restructure around the core forecast/observation tasks, progressively disclose specialist links, and remove repetitive borders and menu noise.", "effort": "large" }, { "id": "F09", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "css-layout", "severity": "critical", "confidence": "high", "summary": "The mobile page is a scaled-down desktop canvas rather than a usable responsive layout.", "evidence": "The 360x800 capture renders a roughly 992px layout at scale 0.36. Layout evidence reports no viewport meta and a 992px CSS viewport; the DOM probe also sees 992px content against a 780px default viewport.", "artifacts": [ "evidence/home-mobile.png", "evidence/home-mobile-layout.json" ], "suggestedFix": "Add a standard viewport meta tag and replace the fixed 950px table shell with fluid, intrinsically sized layouts that reflow at narrow widths.", "effort": "large" }, { "id": "F10", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "severity": "high", "confidence": "high", "summary": "Reusable panels do not adapt to their available container.", "evidence": "The CSS probe found no container queries or logical properties, while the same fixed shell is used across forecast, observation, login, and model archetypes.", "artifacts": [ "evidence/home-probe.json" ], "suggestedFix": "Define reusable content/sidebar components and use container queries where their layout depends on available space.", "effort": "large" }, { "id": "F11", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "severity": "high", "confidence": "high", "summary": "Touch targets are too small even though keyboard focus is visible.", "evidence": "Lighthouse target-size failed and the mobile screenshot shows densely packed, tiny navigation links; the focus probe did confirm a 1px browser outline on the first link.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-mobile.png" ], "suggestedFix": "Increase interactive target size and spacing to at least 24x24 CSS px (prefer 44px for primary touch controls) while retaining focus-visible styles.", "effort": "medium" }, { "id": "F12", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "support-core-task-success", "principleCheckId": "clear-purpose-and-primary-action", "guidanceId": "improve-text-layout-and-legibility", "severity": "high", "confidence": "high", "summary": "The primary weather tasks are buried in a dense, heading-free interface.", "evidence": "The home probe found no H1, 263 links, and only sidebar H3 headings; the first viewport gives comparable weight to menus, ads/search, maps, observations, and models.", "artifacts": [ "evidence/home-content.png", "evidence/home-probe.json" ], "suggestedFix": "Establish a clear page title and prioritize current weather, location search, and forecast as the main actions; move specialist navigation behind clear groups.", "effort": "large" }, { "id": "F13", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "optimize-image-priority", "severity": "high", "confidence": "high", "summary": "Mobile Largest Contentful Paint is slow.", "evidence": "Lighthouse measured LCP at 6.05s (performance 0.76), outside the 2.5s good threshold, although CLS was 0.0015 and TBT 22ms. The unthrottled trace measured LCP 2.66s.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Prioritize the LCP resource, reduce render-blocking styles and third-party startup work, and verify under mobile throttling.", "effort": "medium" }, { "id": "F14", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-preload-priority", "severity": "high", "confidence": "high", "summary": "Render-blocking and cache delivery delay primary content.", "evidence": "Lighthouse estimates 950ms render-blocking savings and 497KiB cache-lifetime savings. HAR confirms seven parser-inserted stylesheets and 918KB transferred across 60 requests.", "artifacts": [ "evidence/home-summary.json", "evidence/lighthouse.json" ], "suggestedFix": "Inline only critical CSS, consolidate/defer noncritical styles, and set effective cache lifetimes for versioned static assets.", "effort": "medium" }, { "id": "F15", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "severity": "medium", "confidence": "medium", "summary": "Substantial unused JavaScript and third-party code ships on first load.", "evidence": "Lighthouse estimates 218KiB unused JavaScript. HAR shows scripts account for 435KB transferred, led by roughly 202KB of ad implementation code.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-summary.json" ], "suggestedFix": "Conditionally load advertising/consent functionality and remove unused first-load JavaScript.", "effort": "medium" }, { "id": "F16", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "severity": "high", "confidence": "high", "summary": "Many controls, maps, images, and form fields lack accessible names.", "evidence": "axe found 178 image-map areas without alternative text, 9 exposed images without alt, 2 unlabeled controls, 2 unnamed links, and an untitled iframe. The image primitive counted 29 images without alt.", "artifacts": [ "evidence/axe.json", "evidence/images.json" ], "suggestedFix": "Provide labels and names for every field/control, useful alt for meaningful images/map areas, empty alt for decoration, and a descriptive iframe title.", "effort": "large" }, { "id": "F17", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "severity": "high", "confidence": "high", "summary": "Some text fails WCAG AA contrast.", "evidence": "axe found two definite serious contrast failures and 135 additional nodes requiring review; Lighthouse’s colour-contrast audit also failed.", "artifacts": [ "evidence/axe.json", "evidence/lighthouse.json" ], "suggestedFix": "Adopt tested text/surface tokens that meet WCAG AA in normal, dark, and high-contrast conditions.", "effort": "medium" }, { "id": "F18", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "severity": "high", "confidence": "high", "summary": "Document structure is not a coherent heading and landmark hierarchy.", "evidence": "The probe found no H1, no main/header/footer landmarks, and only sidebar H3s; axe reports 22 regions outside landmarks and malformed definition-list structure.", "artifacts": [ "evidence/home-probe.json", "evidence/axe.json" ], "suggestedFix": "Use semantic header/nav/main/footer landmarks and a logical H1-to-H2 heading hierarchy; preserve visible focus order.", "effort": "large" }, { "id": "F19", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-inclusive", "principleCheckId": "legible-text", "guidanceId": "improve-text-layout-and-legibility", "severity": "high", "confidence": "high", "summary": "Text is too small and cramped, especially on mobile.", "evidence": "The 360px screenshot scales the desktop layout to roughly 36%, making navigation, tables, and weather values illegible without zoom.", "artifacts": [ "evidence/home-mobile.png" ], "suggestedFix": "Use responsive type and spacing, shorter line lengths, and layouts that reflow rather than scale down.", "effort": "large" }, { "id": "F20", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "fluid-scaling", "severity": "critical", "confidence": "high", "summary": "The page fails mobile reflow and target-size expectations.", "evidence": "There is no viewport meta; Lighthouse flags viewport and target-size problems, and the 360px capture shows the full fixed-width site compressed into one screen.", "artifacts": [ "evidence/home-mobile.png", "evidence/lighthouse.json" ], "suggestedFix": "Enable user scaling, add the viewport meta, reflow at 320 CSS px, and enlarge touch targets.", "effort": "large" }, { "id": "F21", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "severity": "medium", "confidence": "medium", "summary": "Image and document asset hygiene is weak despite a valid doctype/charset.", "evidence": "The image primitive found 92 of 95 images without both dimensions, 95 legacy-format images, and one oversized image; Lighthouse also flags incorrect aspect ratio and unsized images.", "artifacts": [ "evidence/images.json", "evidence/lighthouse.json" ], "suggestedFix": "Reserve image dimensions, preserve intrinsic aspect ratios, and modernize substantive imagery with responsive sources.", "effort": "medium" }, { "id": "F22", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "severity": "medium", "confidence": "medium", "summary": "The page cannot use BFCache and Chrome reports inspector issues.", "evidence": "Lighthouse found Cache-Control: no-store prevents BFCache restoration and its inspector-issues audit failed, although no deprecated APIs or console errors were reported.", "artifacts": [ "evidence/lighthouse-details.json" ], "suggestedFix": "Remove no-store where user-specific sensitivity does not require it and resolve DevTools Issues panel diagnostics.", "effort": "medium" }, { "id": "F23", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "severity": "high", "confidence": "high", "summary": "Some controls are uncrawlable and the site lacks a mobile viewport.", "evidence": "Lighthouse found onclick-only region links without href; the DOM has five anchors without href and no viewport meta. robots.txt itself is valid.", "artifacts": [ "evidence/lighthouse-details.json", "evidence/home-probe.json" ], "suggestedFix": "Use buttons for in-page state changes, real href links for navigation, and add the standard viewport meta.", "effort": "medium" }, { "id": "F24", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-discoverable", "principleCheckId": "canonical-and-indexing-signals", "guidanceId": "html", "severity": "medium", "confidence": "medium", "summary": "Canonical and sitemap signals are inconsistent.", "evidence": "The public homepage returns 200 but has no rel=canonical. robots.txt advertises HTTP sitemap text files, while /sitemap.xml returns the site’s HTML 404 document.", "artifacts": [ "evidence/home-probe.json", "evidence/robots.txt", "evidence/sitemap.xml" ], "suggestedFix": "Publish canonical URLs and a valid HTTPS sitemap index, then reference that exact URL from robots.txt.", "effort": "small" }, { "id": "F25", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "severity": "low", "confidence": "medium", "summary": "The public weather site lacks structured and social-preview metadata.", "evidence": "The probe found zero JSON-LD blocks and zero Open Graph tags on the homepage, despite its clear organization/weather-data identity.", "artifacts": [ "evidence/home-probe.json" ], "suggestedFix": "Add accurate Organization/WebSite structured data and Open Graph/Twitter preview metadata matching visible content.", "effort": "small" }, { "id": "F26", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "severity": "high", "confidence": "high", "summary": "Transport is HTTPS, but CSP and cookie security are incomplete.", "evidence": "Headers show HSTS and nosniff but no CSP. Two Matomo cookies are not Secure, including a 393-day identifier.", "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "suggestedFix": "Deploy an enforcing CSP and mark all HTTPS cookies Secure with proportionate lifetimes and SameSite policy.", "effort": "medium" }, { "id": "F27", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "severity": "high", "confidence": "high", "summary": "Third-party advertising and analytics dominate much of the initial transfer.", "evidence": "HAR attributes 54 of 60 requests and 700KB of 918KB transferred to non-main origins; tracker evidence identifies DoubleClick, and scripts include Matomo and consent tooling.", "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json" ], "suggestedFix": "Minimize pre-consent collection, self-host or remove nonessential dependencies, and load advertising only after a valid consent choice.", "effort": "large" }, { "id": "F28", "pathId": "login", "url": "https://www.meteociel.fr/connexion.php", "principleId": "be-private-and-secure", "principleCheckId": "in-context-permissions-and-modern-auth", "guidanceId": "passkeys", "severity": "medium", "confidence": "medium", "summary": "The account flow is password-only and lacks modern autofill metadata.", "evidence": "The login probe found a password form with no WebAuthn/passkey support and empty autocomplete values. No permission prompt appeared on initial load.", "artifacts": [ "evidence/login-probe.json" ], "suggestedFix": "Add autocomplete=username/current-password immediately and offer passkeys as a phishing-resistant sign-in option.", "effort": "large" }, { "id": "F29", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "severity": "high", "confidence": "high", "summary": "Several browser-enforced security policies are absent.", "evidence": "Headers lack frame-ancestors/X-Frame-Options, Referrer-Policy, and Permissions-Policy in addition to CSP; HSTS and nosniff are present.", "artifacts": [ "evidence/headers.json" ], "suggestedFix": "Add CSP frame-ancestors, a strict Referrer-Policy, and a least-privilege Permissions-Policy.", "effort": "medium" }, { "id": "F30", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-internationalised", "principleCheckId": "lang-dir-and-logical-properties", "guidanceId": "translator", "severity": "high", "confidence": "high", "summary": "French pages do not declare their language and layouts are not writing-mode resilient.", "evidence": "All representative probes report an empty html lang; the CSS probe found no logical properties. The site visibly serves locations beyond France.", "artifacts": [ "evidence/home-probe.json", "evidence/city-forecast-probe.json" ], "suggestedFix": "Set lang=fr and dir=ltr, then migrate directional layout properties to logical equivalents and prepare translated labels.", "effort": "medium" }, { "id": "F31", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-internationalised", "principleCheckId": "locale-aware-data", "guidanceId": "support-global-calendar-systems", "severity": "medium", "confidence": "medium", "summary": "Locale-sensitive presentation is fixed to French without explicit locale semantics.", "evidence": "Rendered weather dates and labels are French while html has no language and the inspected markup exposes no locale selector or Intl-based client formatting.", "artifacts": [ "evidence/home-dom.json" ], "suggestedFix": "Define supported locales and format dates, numbers, and units with Intl APIs or equivalent locale-aware server formatting.", "effort": "large" }, { "id": "F32", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-internationalised", "principleCheckId": "time-zone-correctness", "guidanceId": "coordinate-global-events", "severity": "medium", "confidence": "medium", "summary": "Weather times are presented without clear time-zone context.", "evidence": "The homepage renders observation/update times such as 21:50 for geographically varied data, but no visible zone indicator or machine-readable time semantics were found in the representative DOM.", "artifacts": [ "evidence/home-dom.json" ], "suggestedFix": "Label time zones and use unambiguous machine-readable timestamps, converting for the selected station or user locale.", "effort": "medium" }, { "id": "F33", "pathId": "login", "url": "https://www.meteociel.fr/connexion.php", "principleId": "be-trustworthy", "principleCheckId": "trustworthy-input-assistance", "guidanceId": "autofill-sign-in-form", "severity": "medium", "confidence": "medium", "summary": "Forecast and sign-in inputs omit autofill assistance.", "evidence": "The forecast and login probes found no autocomplete tokens on city, username, or password inputs.", "artifacts": [ "evidence/city-forecast-probe.json", "evidence/login-probe.json" ], "suggestedFix": "Add appropriate autocomplete tokens such as address-level2/postal-code, username, and current-password.", "effort": "small" }, { "id": "F34", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "severity": "medium", "confidence": "medium", "summary": "Image delivery is not proportionately optimized.", "evidence": "All 95 inspected images use PNG/GIF/JPEG-era formats, 84 below-fold images are eager, 92 lack dimensions, and responsive sources are largely absent.", "artifacts": [ "evidence/images.json" ], "suggestedFix": "Lazy-load below-fold content, reserve dimensions, and use responsive modern formats for substantive imagery while retaining tiny icons where appropriate.", "effort": "medium" }, { "id": "F35", "pathId": "home", "url": "https://www.meteociel.fr/", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "severity": "high", "confidence": "high", "summary": "Third-party and animated-media cost is high relative to the core weather task.", "evidence": "Third parties account for 700KB and 54 requests; ad code alone is about 240KB, while an animated satellite GIF transfers about 100KB and continues under reduced motion.", "artifacts": [ "evidence/home-summary.json", "evidence/reduced-motion-probe.json" ], "suggestedFix": "Set a third-party budget, defer ads/analytics, and replace autoplay GIF delivery with controlled, cached media.", "effort": "large" } ], "taskList": [ { "id": "T01", "title": "Rebuild the fixed-width shell as responsive, semantic, accessible UI", "priority": 1, "findingIds": [ "F09", "F10", "F11", "F17", "F18", "F19", "F20", "F21" ], "guidanceId": "css-layout", "status": "open" }, { "id": "T02", "title": "Make core weather content primary and remove the blocking consent experience", "priority": 2, "findingIds": [ "F06", "F07", "F08", "F12" ], "guidanceId": "light-dismiss-a-dialog", "status": "open" }, { "id": "T03", "title": "Reduce third-party collection and deploy browser security policies", "priority": 3, "findingIds": [ "F27", "F28", "F29", "F30" ], "guidanceId": "security", "status": "open" }, { "id": "T04", "title": "Improve LCP and first-load resource delivery", "priority": 4, "findingIds": [ "F13", "F14", "F15" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "T05", "title": "Modernize image delivery, sizing, and media budgets", "priority": 5, "findingIds": [ "F22", "F35" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T06", "title": "Add clear headings, active location, and guided navigation", "priority": 6, "findingIds": [ "F04", "F05", "F12" ], "guidanceId": "directional-navigation-transitions", "status": "open" }, { "id": "T07", "title": "Repair canonical, sitemap, crawlable-link, and share metadata", "priority": 7, "findingIds": [ "F24", "F25", "F26" ], "guidanceId": "html", "status": "open" }, { "id": "T08", "title": "Declare language and make weather data locale/time-zone aware", "priority": 8, "findingIds": [ "F31", "F32", "F33" ], "guidanceId": "translator", "status": "open" }, { "id": "T09", "title": "Honor dark and reduced-motion preferences", "priority": 9, "findingIds": [ "F01", "F02" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T10", "title": "Modernize account and input assistance", "priority": 10, "findingIds": [ "F29", "F34" ], "guidanceId": "passkeys", "status": "open" }, { "id": "T11", "title": "Fix browser platform and document asset hygiene", "priority": 11, "findingIds": [ "F22", "F23" ], "guidanceId": "html", "status": "open" }, { "id": "T12", "title": "Progressively improve route transitions", "priority": 12, "findingIds": [ "F03" ], "guidanceId": "cross-document-transitions", "status": "open" } ], "budget": { "pathCount": 6, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-23T19-48-38-271Z" }