{ "url": "https://www.canva.com", "auditedAt": "2026-07-20T08:57:17.484Z", "mode": "report", "status": "completed", "statusDetail": "Coverage-complete representative audit of five public archetypes. Authenticated editor, checkout completion, localized variants and every template URL were out of scope.", "page": { "appType": "hybrid", "framework": "React-like", "notes": "Public marketing/listing/detail pages redirect by locale and hydrate into a large React-like experience. No authenticated editor source was available." }, "evidenceUsed": [ "screenshot", "DOM+computed CSS", "layout metrics/CLS observer", "evaluate probes", "discoverability/raw HTML", "HAR/network summary", "DevTools trace", "Lighthouse", "headers", "cookies", "trackers", "secrets", "images", "heap summaries", "raw HTTP/robots" ], "guidanceConsulted": [ "dark-mode", "accessibility", "light-dismiss-a-dialog", "validate-input-after-interaction", "optimize-image-priority", "identify-heavy-scripts", "break-up-long-tasks", "security", "privacy", "html", "fluid-scaling", "webmcp", "same-document-transitions", "visually-stable-font-fallbacks", "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 }, "paths": [ { "id": "home", "description": "Public landing page and primary “Start creating” entry point; represents global navigation, consent, product proposition and homepage content.", "url": "https://www.canva.com/en_gb/", "conditions": [ "desktop 780x493", "mobile 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "keyboard-focus probe", "no JavaScript/raw HTML" ], "result": "issues" }, { "id": "templates", "description": "Template listing/search archetype; selected because it is a high-volume discovery journey with dynamic cards.", "url": "https://www.canva.com/templates/", "conditions": [ "desktop", "mobile 360x800", "no JavaScript/raw HTML" ], "result": "issues" }, { "id": "presentation-detail", "description": "Product/detail landing archetype for creating a presentation; represents SEO landing pages and a route into creation.", "url": "https://www.canva.com/presentations/", "conditions": [ "desktop", "no JavaScript/raw HTML" ], "result": "issues" }, { "id": "pricing", "description": "Commercial decision page; represents plan comparison, pricing clarity and account conversion.", "url": "https://www.canva.com/pricing/", "conditions": [ "desktop" ], "result": "issues" }, { "id": "help", "description": "Support/search surface; represents recovery and self-service help.", "url": "https://www.canva.com/help/", "conditions": [ "desktop" ], "result": "pass" }, { "id": "error", "description": "Invalid sitemap URL response was inspected as a representative not-found recovery state; it offered a home link and error identifier.", "url": "https://www.canva.com/sitemap.xml", "conditions": [ "raw HTTP" ], "result": "pass" } ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "Homepage first viewport with consent panel", "condition": "desktop", "findingIds": [ "CANVA-001", "CANVA-003", "CANVA-004" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "Homepage mobile first viewport", "condition": "360x800", "findingIds": [ "CANVA-003" ] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "Homepage mobile layout metrics", "condition": "360x800", "findingIds": [ "CANVA-003" ] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "Homepage under dark preference", "condition": "prefers-color-scheme: dark", "findingIds": [ "CANVA-001" ] }, { "type": "other", "path": "evidence/home-reduced-probe.json", "caption": "Animation inventory under reduced-motion", "condition": "prefers-reduced-motion: reduce", "findingIds": [ "CANVA-002" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "Rendered homepage DOM and CSS", "condition": "desktop", "findingIds": [ "CANVA-004", "CANVA-015" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "Lighthouse performance/accessibility/best-practices/SEO run", "condition": "mobile throttling", "findingIds": [ "CANVA-006", "CANVA-007", "CANVA-008", "CANVA-009" ] }, { "type": "har", "path": "evidence/home.har", "caption": "Homepage network archive", "condition": "6 second load", "findingIds": [ "CANVA-007" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "Compact homepage network summary", "condition": "6 second load", "findingIds": [ "CANVA-007" ] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "DevTools performance trace", "condition": "load", "findingIds": [ "CANVA-006" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "Trace timing and long-task summary", "condition": "load", "findingIds": [ "CANVA-006" ] }, { "type": "other", "path": "evidence/home-headers.json", "caption": "Security response header inspection", "condition": "load", "findingIds": [ "CANVA-010" ] }, { "type": "other", "path": "evidence/home-cookies.json", "caption": "Cookie security inspection", "condition": "load", "findingIds": [ "CANVA-010" ] }, { "type": "other", "path": "evidence/home-trackers.json", "caption": "Third-party/tracker origin inventory", "condition": "5 second load", "findingIds": [] }, { "type": "other", "path": "evidence/home-secrets.json", "caption": "Client secret scan", "condition": "load", "findingIds": [] }, { "type": "other", "path": "evidence/home-images.json", "caption": "Rendered image delivery inventory", "condition": "load", "findingIds": [ "CANVA-008" ] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "Homepage raw-vs-rendered content comparison", "condition": "JavaScript/no-JavaScript", "findingIds": [ "CANVA-011", "CANVA-012" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "Homepage rendered browser view", "condition": "JavaScript", "findingIds": [ "CANVA-011", "CANVA-012" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "Homepage crawler/no-JS view", "condition": "JavaScript disabled", "findingIds": [ "CANVA-011", "CANVA-012" ] }, { "type": "screenshot", "path": "evidence/templates.png", "caption": "Templates listing first viewport", "condition": "desktop", "findingIds": [ "CANVA-003", "CANVA-005" ] }, { "type": "layout", "path": "evidence/templates-mobile-layout.json", "caption": "Templates mobile CLS and overflow", "condition": "360x800", "findingIds": [ "CANVA-003", "CANVA-005" ] }, { "type": "discoverability", "path": "evidence/templates-discoverability.json", "caption": "Templates raw-vs-rendered comparison", "condition": "JavaScript/no-JavaScript", "findingIds": [ "CANVA-011", "CANVA-012" ] }, { "type": "screenshot", "path": "evidence/templates-discoverability-rendered.png", "caption": "Templates rendered browser view", "condition": "JavaScript", "findingIds": [ "CANVA-011", "CANVA-012" ] }, { "type": "screenshot", "path": "evidence/templates-discoverability-crawler.png", "caption": "Templates crawler/no-JS view", "condition": "JavaScript disabled", "findingIds": [ "CANVA-011", "CANVA-012" ] }, { "type": "discoverability", "path": "evidence/create-presentations-discoverability.json", "caption": "Presentation detail raw-vs-rendered comparison", "condition": "JavaScript/no-JavaScript", "findingIds": [ "CANVA-011", "CANVA-012" ] }, { "type": "screenshot", "path": "evidence/create-presentations-discoverability-rendered.png", "caption": "Presentation rendered browser view", "condition": "JavaScript", "findingIds": [ "CANVA-011", "CANVA-012" ] }, { "type": "screenshot", "path": "evidence/create-presentations-discoverability-crawler.png", "caption": "Presentation crawler/no-JS view", "condition": "JavaScript disabled", "findingIds": [ "CANVA-011", "CANVA-012" ] }, { "type": "other", "path": "evidence/templates-probe.json", "caption": "Templates metadata, search and semantic-control probe", "condition": "desktop", "findingIds": [] }, { "type": "screenshot", "path": "evidence/create-presentations.png", "caption": "Presentation landing first viewport", "condition": "desktop", "findingIds": [ "CANVA-003" ] }, { "type": "screenshot", "path": "evidence/pricing.png", "caption": "Pricing first viewport", "condition": "desktop", "findingIds": [ "CANVA-003" ] }, { "type": "screenshot", "path": "evidence/help.png", "caption": "Help first viewport", "condition": "desktop", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-baseline.json", "caption": "Baseline homepage heap summary", "condition": "post-load", "findingIds": [ "CANVA-013", "CANVA-014" ] }, { "type": "heap", "path": "evidence/heap-post-menu.json", "caption": "Heap after 20 navigation menu toggles", "condition": "repeated interaction", "findingIds": [ "CANVA-013" ] }, { "type": "other", "path": "evidence/home-structure-probe.json", "caption": "Metadata, structure, forms and locale probe", "condition": "desktop", "findingIds": [ "CANVA-001" ] }, { "type": "other", "path": "evidence/home-interaction-probe.json", "caption": "Target-size and focus-style probe", "condition": "desktop", "findingIds": [] }, { "type": "other", "path": "evidence/home-platform-probe.json", "caption": "Script attributes and emerging platform probe", "condition": "desktop", "findingIds": [ "CANVA-016" ] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots.txt with declared sitemap indexes", "condition": "raw HTTP", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "Representative branded 404 recovery body", "condition": "raw HTTP", "findingIds": [] } ], "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "The dark-emulated screenshot is pixel-identical in appearance to the light capture, and the structure probe reports computed colorScheme “light”.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png", "evidence/home-desktop.png", "evidence/home-structure-probe.json" ], "findingIds": [ "CANVA-001" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "Under prefers-reduced-motion: reduce, getAnimations() returned 42 running animations, each with 1400 ms duration and an infinite iteration count (serialized as null).", "pathIds": [ "home" ], "artifacts": [ "evidence/home-reduced-probe.json" ], "findingIds": [ "CANVA-002" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Lighthouse accessibility scored 100 and color-contrast passed on the rendered homepage; the UI remained legible across sampled screenshots.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "Rendered DOM/CSS inspection found no view-transition-name or ::view-transition usage across the homepage snapshot, while the page presents carousels, menus and cross-page journeys.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ], "findingIds": [ "CANVA-015" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Rendered CSS contained animation-timeline declarations; layout/trace evidence found no sustained scroll task problem on the sampled landing page.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Rendered CSS contained scroll-snap and overscroll-behavior rules for carousel/scroll surfaces, providing platform-native gesture behavior.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Desktop and mobile screenshots show compact, persistent navigation chrome that maintains orientation without covering the primary heading.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "No tooltip-style floating anchored surface was present in the sampled first-load states; menus did not visibly drift or clip.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "The landing and detail screenshots use a single prominent heading/CTA, and the presentation detail includes a Home > Presentations breadcrumb.", "pathIds": [ "home" ], "artifacts": [ "evidence/create-presentations.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "Desktop and mobile screenshots show the cookie panel covering roughly half the viewport and hiding the primary call to action/content on home, templates, presentation and pricing pages.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/home-mobile-layout.json", "evidence/templates.png", "evidence/templates-mobile-layout.json", "evidence/create-presentations.png", "evidence/pricing.png" ], "findingIds": [ "CANVA-003" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "The rendered DOM contains zero dialog and zero popover elements while the screenshot shows a blocking overlay.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json", "evidence/home-desktop.png" ], "findingIds": [ "CANVA-004" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Screenshots show border-light content-led layouts with a compact header; outside consent, decorative visuals support the product message.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "At 360x800, home and templates reported scrollWidth 360, clientWidth 360 and zero horizontal overflow; viewport metadata is present.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png", "evidence/home-mobile-layout.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "DOM/CSS inspection found an @container rule, and 360px evidence shows components reflow without horizontal overflow.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Lighthouse target-size passed; focus probing found native/3px focus treatments on representative links and controls.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-interaction-probe.json" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "The first viewport states “Bring your ideas to life” and exposes “Start creating”; detail/listing pages have specific H1s.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/templates.png", "evidence/templates-mobile-layout.json", "evidence/create-presentations.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Representative navigation targets for templates, presentation creation, pricing and help all loaded successfully with clear continuation controls.", "pathIds": [ "home" ], "artifacts": [ "evidence/templates.png", "evidence/templates-mobile-layout.json", "evidence/create-presentations.png", "evidence/pricing.png", "evidence/help.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "The sampled invalid sitemap endpoint rendered a branded roadblock state with a “Go to home” recovery link and error identifier.", "pathIds": [ "home" ], "artifacts": [ "evidence/sitemap.xml" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "Lighthouse measured LCP 4.168 s, FCP 3.31 s and TTI 7.241 s; the first-party trace corroborated two long tasks and 92.97 ms total blocking time.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace.json", "evidence/home-trace-summary.json" ], "findingIds": [ "CANVA-006" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "The 360x800 layout observer measured CLS 0.2157, including a 0.21285 shift at about 6.18 seconds, above the 0.1 good threshold.", "pathIds": [ "templates" ], "artifacts": [ "evidence/templates-mobile-layout.json", "evidence/templates.png" ], "findingIds": [ "CANVA-005" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "First-party trace measured only two long tasks and 92.97 ms TBT; Lighthouse TBT was 93 ms, within the good range.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace.json", "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Assets were compressed and mostly cacheable; trace LCP was 1.20 s in the unthrottled capture, though overall delivery issues are recorded under related checks.", "pathIds": [ "home" ], "artifacts": [ "evidence/home.har", "evidence/home-summary.json", "evidence/home-trace.json", "evidence/home-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "HAR recorded 60 requests and 3.27 MB transferred; Lighthouse estimated 277 KiB unused JavaScript and 62 KiB unused CSS, with four individual JS resources around 31–61% unused.", "pathIds": [ "home" ], "artifacts": [ "evidence/home.har", "evidence/home-summary.json", "evidence/lighthouse.json" ], "findingIds": [ "CANVA-007" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Lighthouse accessibility scored 100; button-name and link-name audits passed, and the template search input has an accessible label.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Lighthouse color-contrast passed and sampled screenshots remain legible.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Lighthouse heading-order passed; DOM contains header/nav/main/footer landmarks; focus probe found focus treatments.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-structure-probe.json", "evidence/home-interaction-probe.json" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Desktop/mobile screenshots show large readable headings, comfortable body line-height and no clipped main copy outside the separately reported consent overlap.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/home-mobile-layout.json" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Meta viewport allows scaling, Lighthouse target-size and viewport audits passed, and mobile layouts had no horizontal overflow.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json", "evidence/home-mobile.png", "evidence/home-mobile-layout.json" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Lighthouse errors-in-console audit passed with no logged console errors.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "DOM has HTML5 doctype and UTF-8; Lighthouse image aspect-ratio and responsive-size audits passed. Unsized delivery is separately reported.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-structure-probe.json", "evidence/lighthouse.json" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "Lighthouse found an unload listener in sentry_browser.js and four BFCache failure reasons, including the unload handler and no-store responses.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse.json" ], "findingIds": [ "CANVA-009" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Home and templates expose descriptive rendered titles and meta descriptions; the template probe records “Free templates | Canva”.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-structure-probe.json", "evidence/templates-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "Discoverability measured only 4% raw/rendered word coverage on home, 2% on templates and 4% on the presentation page; each was classified as a JS shell and raw HTML lacked title and h1.", "pathIds": [ "templates" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-rendered.png", "evidence/home-discoverability-crawler.png", "evidence/templates-discoverability.json", "evidence/templates-discoverability-rendered.png", "evidence/templates-discoverability-crawler.png", "evidence/create-presentations-discoverability.json", "evidence/create-presentations-discoverability-rendered.png", "evidence/create-presentations-discoverability-crawler.png" ], "findingIds": [ "CANVA-011" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Rendered home has canonical URL and 107 hreflang entries; robots.txt allows core paths and declares two sitemap indexes; sampled pages returned HTTP 200.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-structure-probe.json", "evidence/robots.txt" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Home includes JSON-LD plus eight Open Graph tags and a canonical URL matching visible Canva organization/product content.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-structure-probe.json" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Page uses HTTPS with HSTS preload, nosniff, frame protection, strict-origin referrer policy and CSP; no client secrets were found.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Consent offers reject/manage choices before optional analytics; tracker probe found one known error-monitoring origin and no third-party cookies.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trackers.json", "evidence/home-desktop.png" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "No browser permission prompt appeared on load; login is user-initiated and Google identity is available. No inappropriate prompt was observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "Headers inspection found CSP unsafe-eval and no Permissions-Policy. Cookie inspection found g_state without Secure and four of five cookies flagged, including SameSite=None cookies.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "findingIds": [ "CANVA-010" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "Raw HTML comparisons across three representative public templates retained only 2–4% of rendered words and omitted title/h1, despite the pages having substantial public content.", "pathIds": [ "templates" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-rendered.png", "evidence/home-discoverability-crawler.png", "evidence/templates-discoverability.json", "evidence/templates-discoverability-rendered.png", "evidence/templates-discoverability-crawler.png", "evidence/create-presentations-discoverability.json", "evidence/create-presentations-discoverability-rendered.png", "evidence/create-presentations-discoverability-crawler.png" ], "findingIds": [ "CANVA-012" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Five representative routes loaded without clipped navigation or blank runtime states; the help route retained usable high-contrast chrome.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/templates.png", "evidence/templates-mobile-layout.json", "evidence/help.png" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-page recon.", "evidence": "Canva’s core editor is intrinsically online and collaborative; offline/installability was not treated as required for these public marketing surfaces.", "reason": "Canva’s core editor is intrinsically online and collaborative; offline/installability was not treated as required for these public marketing surfaces.", "pathIds": [ "home" ] }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "The sampled invalid URL returned a branded roadblock with explicit home recovery rather than a blank shell.", "pathIds": [ "home" ], "artifacts": [ "evidence/sitemap.xml" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Home reports lang=en-GB and dir=ltr, templates lang=en, 107 hreflang links, and rendered markup includes logical inline properties.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-structure-probe.json", "evidence/home-dom.json" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-page recon.", "evidence": "The sampled public surfaces display no dates, currencies, durations or locale-sensitive numeric data requiring an Intl formatting judgment.", "reason": "The sampled public surfaces display no dates, currencies, durations or locale-sensitive numeric data requiring an Intl formatting judgment.", "pathIds": [ "home" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-page recon.", "evidence": "The sampled public surfaces contain no event scheduling or time-zone-sensitive values.", "reason": "The sampled public surfaces contain no event scheduling or time-zone-sensitive values.", "pathIds": [ "home" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Consent presents Accept, Reject and Manage as direct choices without confirmshaming; sampled pricing copy did not show disguised commitments.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png", "evidence/pricing.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "No required multi-field form was present on sampled public paths; template search is optional and does not produce premature validation.", "pathIds": [ "home" ], "artifacts": [ "evidence/templates-probe.json" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "The only sampled input is a labelled search field; autocomplete=off is appropriate for dynamic template-query suggestions.", "pathIds": [ "home" ], "artifacts": [ "evidence/templates-probe.json" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Pricing and login entry points are clearly labelled; no forced continuity or hidden default was observed in the sampled anonymous states.", "pathIds": [ "home" ], "artifacts": [ "evidence/pricing.png", "evidence/home-desktop.png" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "The image probe found all 13 images without width/height, 11 without srcset, 8 below-fold images not lazy-loaded and 9 legacy-format assets; Lighthouse independently failed the unsized-images audit.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-images.json", "evidence/lighthouse.json" ], "findingIds": [ "CANVA-008" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Trace showed bounded TBT and trackers recorded only a small telemetry/error-monitoring request footprint before consent.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-trace.json", "evidence/home-trace-summary.json", "evidence/home-trackers.json" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "No autoplay video/audio was present; transferred media was dominated by product imagery, though optimization issues are separately recorded.", "pathIds": [ "home" ], "artifacts": [ "evidence/home.har", "evidence/home-summary.json", "evidence/home-desktop.png" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "medium", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "The platform probe found no WebMCP/model-context registration on the public product surface; agents must infer actions from a large rendered UI.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-platform-probe.json" ], "findingIds": [ "CANVA-016" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-page recon.", "evidence": "The sampled public marketing and discovery surfaces expose no bounded inference task where built-in local inference is necessary to complete the user journey.", "reason": "The sampled public marketing and discovery surfaces expose no bounded inference task where built-in local inference is necessary to complete the user journey.", "pathIds": [ "home" ] }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "issues", "confidence": "medium", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "The baseline heap summary was 67.15 MB across 1.52M nodes; after 20 menu toggles it was 88.60 MB across 2.06M nodes, about 32% more bytes and 36% more nodes. Separate page sessions add variance, so this is a leak signal requiring allocation-retainer confirmation.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post-menu.json" ], "findingIds": [ "CANVA-013" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "high", "method": "Direct inspection using the artifact(s) cited by the linked finding.", "evidence": "A post-load heap summary contained about 1.52M heap nodes, 8.77M edges and 67.15 MB self size before entering the editor.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json" ], "findingIds": [ "CANVA-014" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "Representative-path visual, DOM and/or objective probe review.", "evidence": "Neither heap summary listed Detached* constructors among the dominant retained constructors; the stronger growth signal is separately recorded.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post-menu.json" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "CANVA-001", "CANVA-002" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "CANVA-015" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "pass" }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "CANVA-003", "CANVA-004" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "pass" }, { "principleId": "support-core-task-success", "expectation": "default", "status": "pass" }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "CANVA-006", "CANVA-005", "CANVA-007" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "pass" }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "CANVA-009" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "CANVA-011" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "CANVA-010" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "CANVA-012" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "pass" }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "CANVA-008" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "CANVA-016" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "CANVA-013", "CANVA-014" ] } ], "findings": [ { "id": "CANVA-001", "severity": "medium", "confidence": "high", "summary": "The public landing page does not adapt to the user’s dark color-scheme preference.", "evidence": "The dark-emulated screenshot is pixel-identical in appearance to the light capture, and the structure probe reports computed colorScheme “light”.", "artifacts": [ "evidence/home-dark.png", "evidence/home-desktop.png", "evidence/home-structure-probe.json" ], "suggestedFix": "Declare color-scheme: light dark and map surfaces/text through light-dark() or prefers-color-scheme tokens.", "effort": "medium", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience" }, { "id": "CANVA-002", "severity": "high", "confidence": "high", "summary": "Continuous hero motion remains active when reduced motion is requested.", "evidence": "Under prefers-reduced-motion: reduce, getAnimations() returned 42 running animations, each with 1400 ms duration and an infinite iteration count (serialized as null).", "artifacts": [ "evidence/home-reduced-probe.json" ], "suggestedFix": "Use prefers-reduced-motion to remove non-essential loops and replace motion with a static composition.", "effort": "small", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "guidanceCategory": "accessibility" }, { "id": "CANVA-003", "severity": "medium", "confidence": "high", "summary": "The first-load cookie panel obscures most of the primary content on every sampled marketing page.", "evidence": "Desktop and mobile screenshots show the cookie panel covering roughly half the viewport and hiding the primary call to action/content on home, templates, presentation and pricing pages.", "artifacts": [ "evidence/home-desktop.png", "evidence/home-mobile.png", "evidence/home-mobile-layout.json", "evidence/templates.png", "evidence/templates-mobile-layout.json", "evidence/create-presentations.png", "evidence/pricing.png" ], "suggestedFix": "Use a compact, content-preserving consent surface where legally possible while keeping accept, reject and manage choices equally available.", "effort": "medium", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "user-experience" }, { "id": "CANVA-004", "severity": "medium", "confidence": "high", "summary": "The blocking consent overlay is not exposed with a native dialog or popover primitive.", "evidence": "The rendered DOM contains zero dialog and zero popover elements while the screenshot shows a blocking overlay.", "artifacts": [ "evidence/home-dom.json", "evidence/home-desktop.png" ], "suggestedFix": "Model blocking consent as a properly labelled dialog with managed focus, or a non-modal popover when blocking is unnecessary.", "effort": "small", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "user-experience" }, { "id": "CANVA-005", "severity": "high", "confidence": "high", "summary": "The mobile templates listing has poor visual stability.", "evidence": "The 360x800 layout observer measured CLS 0.2157, including a 0.21285 shift at about 6.18 seconds, above the 0.1 good threshold.", "artifacts": [ "evidence/templates-mobile-layout.json", "evidence/templates.png" ], "suggestedFix": "Reserve space for late template/list content and identify the element injected at ~6.18 s; give media and async regions explicit intrinsic dimensions.", "effort": "medium", "pathId": "templates", "url": "https://www.canva.com/templates/", "principleId": "be-fast-and-stable", "principleCheckId": "visual-stability", "guidanceId": "visually-stable-font-fallbacks", "guidanceCategory": "performance" }, { "id": "CANVA-006", "severity": "high", "confidence": "high", "summary": "Throttled load performance misses the good LCP range.", "evidence": "Lighthouse measured LCP 4.168 s, FCP 3.31 s and TTI 7.241 s; the first-party trace corroborated two long tasks and 92.97 ms total blocking time.", "artifacts": [ "evidence/lighthouse.json", "evidence/home-trace.json", "evidence/home-trace-summary.json" ], "suggestedFix": "Profile the LCP request chain, prioritize the hero/LCP resource, and defer non-critical scripts and styles.", "effort": "large", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "optimize-preload-priority", "guidanceCategory": "performance" }, { "id": "CANVA-007", "severity": "high", "confidence": "high", "summary": "The anonymous homepage ships a large amount of avoidable code and network weight.", "evidence": "HAR recorded 60 requests and 3.27 MB transferred; Lighthouse estimated 277 KiB unused JavaScript and 62 KiB unused CSS, with four individual JS resources around 31–61% unused.", "artifacts": [ "evidence/home.har", "evidence/home-summary.json", "evidence/lighthouse.json" ], "suggestedFix": "Route-split anonymous marketing code, conditionally load editor/account dependencies, remove unused CSS, and defer Google identity until sign-in intent.", "effort": "large", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance" }, { "id": "CANVA-008", "severity": "medium", "confidence": "high", "summary": "Homepage imagery is not delivered responsively or with stable intrinsic sizing.", "evidence": "The image probe found all 13 images without width/height, 11 without srcset, 8 below-fold images not lazy-loaded and 9 legacy-format assets; Lighthouse independently failed the unsized-images audit.", "artifacts": [ "evidence/home-images.json", "evidence/lighthouse.json" ], "suggestedFix": "Add intrinsic width/height, srcset/sizes, lazy loading below the fold, and AVIF/WebP variants for raster assets.", "effort": "medium", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "optimize-image-priority", "guidanceCategory": "performance" }, { "id": "CANVA-009", "severity": "medium", "confidence": "high", "summary": "Deprecated unload handling prevents back/forward cache restoration.", "evidence": "Lighthouse found an unload listener in sentry_browser.js and four BFCache failure reasons, including the unload handler and no-store responses.", "artifacts": [ "evidence/lighthouse.json" ], "suggestedFix": "Remove unload listeners in favor of pagehide/visibilitychange and audit no-store use so eligible public pages can enter BFCache.", "effort": "medium", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "html" }, { "id": "CANVA-010", "severity": "medium", "confidence": "high", "summary": "Browser security policy and cookie posture have avoidable gaps.", "evidence": "Headers inspection found CSP unsafe-eval and no Permissions-Policy. Cookie inspection found g_state without Secure and four of five cookies flagged, including SameSite=None cookies.", "artifacts": [ "evidence/home-headers.json", "evidence/home-cookies.json" ], "suggestedFix": "Remove unsafe-eval through compatible bundling, add a least-privilege Permissions-Policy, secure g_state, and restrict SameSite=None to cookies that truly require cross-site use.", "effort": "large", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security" }, { "id": "CANVA-011", "severity": "high", "confidence": "high", "summary": "Core public content is largely absent from raw server HTML.", "evidence": "Discoverability measured only 4% raw/rendered word coverage on home, 2% on templates and 4% on the presentation page; each was classified as a JS shell and raw HTML lacked title and h1.", "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-rendered.png", "evidence/home-discoverability-crawler.png", "evidence/templates-discoverability.json", "evidence/templates-discoverability-rendered.png", "evidence/templates-discoverability-crawler.png", "evidence/create-presentations-discoverability.json", "evidence/create-presentations-discoverability-rendered.png", "evidence/create-presentations-discoverability-crawler.png" ], "suggestedFix": "Server-render or statically emit each landing page’s title, h1, primary copy, links and template/product content, then hydrate enhancements.", "effort": "large", "pathId": "templates", "url": "https://www.canva.com/templates/", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "html" }, { "id": "CANVA-012", "severity": "high", "confidence": "high", "summary": "Public content and primary discovery journeys do not progressively enhance without JavaScript.", "evidence": "Raw HTML comparisons across three representative public templates retained only 2–4% of rendered words and omitted title/h1, despite the pages having substantial public content.", "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-rendered.png", "evidence/home-discoverability-crawler.png", "evidence/templates-discoverability.json", "evidence/templates-discoverability-rendered.png", "evidence/templates-discoverability-crawler.png", "evidence/create-presentations-discoverability.json", "evidence/create-presentations-discoverability-rendered.png", "evidence/create-presentations-discoverability-crawler.png" ], "suggestedFix": "Ship meaningful HTML for navigation, headings, copy and template links; use client JavaScript to enhance search/filter/editor entry rather than create the content baseline.", "effort": "large", "pathId": "templates", "url": "https://www.canva.com/templates/", "principleId": "be-resilient", "principleCheckId": "progressive-enhancement", "guidanceId": "html", "guidanceCategory": "html" }, { "id": "CANVA-013", "severity": "medium", "confidence": "medium", "summary": "Repeated navigation-menu toggling produced substantial retained-heap growth.", "evidence": "The baseline heap summary was 67.15 MB across 1.52M nodes; after 20 menu toggles it was 88.60 MB across 2.06M nodes, about 32% more bytes and 36% more nodes. Separate page sessions add variance, so this is a leak signal requiring allocation-retainer confirmation.", "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post-menu.json" ], "suggestedFix": "Repeat baseline/target/final snapshots in one session, force GC, inspect retainers for menu DOM/listeners, and release transient navigation state after close.", "effort": "large", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "be-memory-efficient", "principleCheckId": "no-leak-under-repeated-interaction", "guidanceId": "manage-recurring-intervals", "guidanceCategory": "performance" }, { "id": "CANVA-014", "severity": "medium", "confidence": "high", "summary": "The initial memory footprint is disproportionate for a marketing landing page.", "evidence": "A post-load heap summary contained about 1.52M heap nodes, 8.77M edges and 67.15 MB self size before entering the editor.", "artifacts": [ "evidence/heap-baseline.json" ], "suggestedFix": "Use heap allocation profiles to remove anonymous-page editor/runtime state, delay optional features, and set a landing-page heap budget.", "effort": "large", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance" }, { "id": "CANVA-015", "severity": "low", "confidence": "high", "summary": "State and route changes do not expose View Transition styling on the sampled public pages.", "evidence": "Rendered DOM/CSS inspection found no view-transition-name or ::view-transition usage across the homepage snapshot, while the page presents carousels, menus and cross-page journeys.", "artifacts": [ "evidence/home-dom.json" ], "suggestedFix": "Use same-document View Transitions for major menu/carousel state and cross-document transitions for compatible marketing routes, with reduced-motion handling.", "effort": "medium", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "user-experience" }, { "id": "CANVA-016", "severity": "low", "confidence": "medium", "summary": "Canva’s agent-relevant productivity capabilities are not exposed as structured browser tools.", "evidence": "The platform probe found no WebMCP/model-context registration on the public product surface; agents must infer actions from a large rendered UI.", "artifacts": [ "evidence/home-platform-probe.json" ], "suggestedFix": "Pilot narrowly scoped WebMCP tools or agentic forms for safe tasks such as template search and draft creation, with explicit confirmation for consequential actions.", "effort": "large", "pathId": "home", "url": "https://www.canva.com/en_gb/", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "guidanceCategory": "ai" } ], "taskList": [ { "id": "TASK-001", "title": "Server-render public landing and template content", "priority": 1, "findingIds": [ "CANVA-011", "CANVA-012" ], "guidanceId": "html", "status": "open" }, { "id": "TASK-002", "title": "Honor reduced motion and dark color preferences", "priority": 2, "findingIds": [ "CANVA-001", "CANVA-002" ], "guidanceId": "accessibility", "status": "open" }, { "id": "TASK-003", "title": "Stabilize the mobile templates listing", "priority": 3, "findingIds": [ "CANVA-005", "CANVA-008" ], "guidanceId": "optimize-image-priority", "status": "open" }, { "id": "TASK-004", "title": "Split and defer anonymous-page JavaScript/CSS", "priority": 4, "findingIds": [ "CANVA-006", "CANVA-007", "CANVA-014" ], "guidanceId": "identify-heavy-scripts", "status": "open" }, { "id": "TASK-005", "title": "Rework the consent surface with semantic, content-preserving UI", "priority": 5, "findingIds": [ "CANVA-003", "CANVA-004" ], "guidanceId": "light-dismiss-a-dialog", "status": "open" }, { "id": "TASK-006", "title": "Tighten CSP, Permissions-Policy and cookie attributes", "priority": 6, "findingIds": [ "CANVA-010" ], "guidanceId": "security", "status": "open" }, { "id": "TASK-007", "title": "Investigate menu-state heap retention", "priority": 7, "findingIds": [ "CANVA-013" ], "guidanceId": "manage-recurring-intervals", "status": "open" }, { "id": "TASK-008", "title": "Restore BFCache eligibility", "priority": 8, "findingIds": [ "CANVA-009" ], "guidanceId": "html", "status": "open" }, { "id": "TASK-009", "title": "Pilot safe structured agent capabilities", "priority": 9, "findingIds": [ "CANVA-016" ], "guidanceId": "webmcp", "status": "open" }, { "id": "TASK-010", "title": "Add View Transitions to major public state changes", "priority": 10, "findingIds": [ "CANVA-015" ], "guidanceId": "same-document-transitions", "status": "open" } ], "budget": { "wallClockSeconds": 2700, "pathCount": 6, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-20T08-57-17-484Z" }