{
  "url": "https://fastdl.app",
  "auditedAt": "2026-07-23T08:26:13.025Z",
  "mode": "report",
  "status": "completed",
  "statusDetail": "Atomic audit of 58 checks across home, primary-flow entry, FAQ, and Arabic localization templates.",
  "page": {
    "appType": "mpa",
    "framework": "server-rendered MPA",
    "notes": "Root redirects to /en4. Public Instagram download utility with localized routes, content pages, ads, analytics, and a Google consent platform."
  },
  "evidenceUsed": [
    "screenshot",
    "dom",
    "evaluate-probe",
    "layout-metrics",
    "trace",
    "har",
    "discoverability",
    "headers",
    "cookies",
    "trackers",
    "secrets",
    "images",
    "heap-summary",
    "lighthouse",
    "Modern Web Guidance 0.0.172"
  ],
  "guidanceConsulted": [
    "dark-mode",
    "component-specific-light-dark-theme",
    "accessibility",
    "adapt-scrollbar-to-contrast-preferences",
    "same-document-transitions",
    "cross-document-transitions",
    "group-element-transitions",
    "faster-spa-view-transitions",
    "scrollytelling",
    "parallax-scroll-effects",
    "scroll-entry-exit-effects",
    "carousel-slide-effects",
    "physics-based-easing",
    "individual-transform-properties",
    "animate-element-entry-exit",
    "animate-to-from-top-layer",
    "animate-to-intrinsic-sizes",
    "dynamic-sibling-animations",
    "interactive-content-reveal",
    "pull-to-reveal",
    "swipe-to-remove",
    "shrinking-header-on-scroll",
    "scroll-progress-indicator",
    "scroll-position-aware-elements",
    "scroll-snap-realtime-feedback",
    "scroll-snap-state-sync",
    "scroll-target-on-load",
    "soft-edge-content-fade",
    "scrollability-affordance-hints",
    "anchor-positioning-tab-underline",
    "position-aware-tooltips",
    "interest-triggered-tooltips",
    "interest-triggered-action-previews",
    "directional-navigation-transitions",
    "carousel-snap-highlights",
    "navigation-drawer",
    "stack-drill-down",
    "persistent-app-tours",
    "persistent-toast-notifications",
    "light-dismiss-a-dialog",
    "platform-controls-dismiss-dialog",
    "declarative-dialog-popover-control",
    "animated-select-picker",
    "branded-select-styling",
    "brand-consistent-forms",
    "custom-select-picker-layouts",
    "rich-media-picker",
    "complex-shapes",
    "shaped-cutouts",
    "overflow-clipping-control",
    "visually-texture-content",
    "apply-webgl-shaders",
    "interactive-content-in-3d-scenes",
    "highlight-text-ranges",
    "prevent-text-wrapping",
    "customize-scrollbar-color-and-thickness",
    "export-html-media-from-canvas",
    "fluid-scaling",
    "calculate-with-intrinsic-sizes",
    "css-layout",
    "size-aware-styling",
    "content-based-styling",
    "child-state-based-styling",
    "design-token-reactivity",
    "dynamic-sibling-styling",
    "form-fields-automatically-fit-contents",
    "improve-text-layout-and-legibility",
    "forms",
    "accessible-error-announcement",
    "required-field-feedback",
    "validate-input-after-interaction",
    "identify-inp-causes",
    "schedule-tasks-by-priority",
    "optimize-preload-priority",
    "improve-next-page-load-performance",
    "interactions-in-complex-layouts",
    "performance",
    "visually-stable-font-fallbacks",
    "break-up-long-tasks",
    "identify-heavy-scripts",
    "optimize-script-priority",
    "defer-rendering-heavy-content",
    "defer-work-until-scroll-ends",
    "optimize-image-priority",
    "conditional-async-dependencies",
    "expose-canvas-content-to-browser-features",
    "move-dom-element-without-losing-state",
    "precise-text-alignment",
    "visually-stable-mixed-fonts",
    "css",
    "html",
    "reduce-style-repetition",
    "security",
    "privacy",
    "batch-analytics-events",
    "full-session-analytics",
    "calculate-total-foreground-time",
    "passkeys",
    "passkey-registration",
    "passkey-authentication",
    "passkey-reauthentication",
    "passkey-conditional-create",
    "passkey-management",
    "flicker-free-client-side-ab-testing",
    "consistent-cross-document-transitions",
    "stabilize-reactive-state",
    "resilient-context-menus-and-nested-dropdowns",
    "persistent-top-layer-ui",
    "detect-initial-visibility-state",
    "sequence-distributed-events",
    "translator",
    "language-detection",
    "support-global-calendar-systems",
    "capture-location-agnostic-data",
    "format-human-readable-durations",
    "manage-recurring-intervals",
    "calculate-event-differentials",
    "coordinate-global-events",
    "model-partial-time-concepts",
    "search-hidden-content",
    "select-menu-interaction",
    "style-parent-with-has",
    "autofill-address-form",
    "autofill-payment-form",
    "autofill-sign-in-form",
    "autofill-sign-up-form",
    "autofill-highlight-inputs",
    "deliver-optimized-decorative-images",
    "resolution-optimized-pseudo-elements",
    "deprioritize-background-fetches",
    "efficient-background-processing",
    "webmcp",
    "agentic-forms",
    "agentic-javascript-tools",
    "language-model",
    "summarizer"
  ],
  "artifacts": [
    {
      "type": "screenshot",
      "path": "evidence/arabic-dismissed.png",
      "caption": "arabic dismissed",
      "findingIds": []
    },
    {
      "type": "dom",
      "path": "evidence/arabic-dom.json",
      "caption": "arabic dom",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/arabic-mobile.png",
      "caption": "arabic mobile",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/cookies.json",
      "caption": "cookies",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/discoverability-crawler.png",
      "caption": "discoverability crawler",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/discoverability-rendered.png",
      "caption": "discoverability rendered",
      "findingIds": []
    },
    {
      "type": "discoverability",
      "path": "evidence/discoverability.json",
      "caption": "discoverability",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/faq-dismissed.png",
      "caption": "faq dismissed",
      "findingIds": []
    },
    {
      "type": "dom",
      "path": "evidence/faq-dom.json",
      "caption": "faq dom",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/faq.png",
      "caption": "faq",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/guidance-list.json",
      "caption": "guidance list",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/guidance-plan.json",
      "caption": "guidance plan",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/guidance-query-results.json",
      "caption": "guidance query results",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/guidance-retrieved.md",
      "caption": "guidance retrieved",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/guidance-search.json",
      "caption": "guidance search",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/headers.json",
      "caption": "headers",
      "findingIds": [
        "F12",
        "F14"
      ]
    },
    {
      "type": "heap",
      "path": "evidence/heap-baseline.json",
      "caption": "heap baseline",
      "findingIds": [
        "F20"
      ]
    },
    {
      "type": "heap",
      "path": "evidence/heap-post.json",
      "caption": "heap post",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/home-content-desktop.png",
      "caption": "home content desktop",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/home-dark-reduced.png",
      "caption": "home dark reduced",
      "findingIds": [
        "F01"
      ]
    },
    {
      "type": "screenshot",
      "path": "evidence/home-desktop.png",
      "caption": "home desktop",
      "findingIds": [
        "F16"
      ]
    },
    {
      "type": "screenshot",
      "path": "evidence/home-dismissed.png",
      "caption": "home dismissed",
      "findingIds": []
    },
    {
      "type": "dom",
      "path": "evidence/home-dom.json",
      "caption": "home dom",
      "findingIds": [
        "F03",
        "F06"
      ]
    },
    {
      "type": "layout",
      "path": "evidence/home-mobile-layout.json",
      "caption": "home mobile layout",
      "findingIds": [
        "F04"
      ]
    },
    {
      "type": "screenshot",
      "path": "evidence/home-mobile.png",
      "caption": "home mobile",
      "findingIds": [
        "F05"
      ]
    },
    {
      "type": "other",
      "path": "evidence/home-summary.json",
      "caption": "home summary",
      "findingIds": [
        "F10",
        "F18",
        "F19"
      ]
    },
    {
      "type": "trace",
      "path": "evidence/home-trace",
      "caption": "home trace",
      "findingIds": []
    },
    {
      "type": "trace-summary",
      "path": "evidence/home-trace-summary.json",
      "caption": "home trace summary",
      "findingIds": []
    },
    {
      "type": "har",
      "path": "evidence/home.har",
      "caption": "home",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/images.json",
      "caption": "images",
      "findingIds": [
        "F17"
      ]
    },
    {
      "type": "screenshot",
      "path": "evidence/invalid-submit-dismissed.png",
      "caption": "invalid submit dismissed",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/invalid-submit.png",
      "caption": "invalid submit",
      "findingIds": []
    },
    {
      "type": "screenshot",
      "path": "evidence/invalid-url-flow.png",
      "caption": "invalid url flow",
      "findingIds": [
        "F08"
      ]
    },
    {
      "type": "lighthouse",
      "path": "evidence/lighthouse-summary.json",
      "caption": "lighthouse summary",
      "findingIds": [
        "F02",
        "F09",
        "F11"
      ]
    },
    {
      "type": "lighthouse",
      "path": "evidence/lighthouse.json",
      "caption": "lighthouse",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/platform-probe.json",
      "caption": "platform probe",
      "findingIds": [
        "F07",
        "F15"
      ]
    },
    {
      "type": "other",
      "path": "evidence/preferences.json",
      "caption": "preferences",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/recon.json",
      "caption": "recon",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/routes.json",
      "caption": "routes",
      "findingIds": []
    },
    {
      "type": "dom",
      "path": "evidence/runtime-dom-probe.json",
      "caption": "runtime dom probe",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/secrets.json",
      "caption": "secrets",
      "findingIds": []
    },
    {
      "type": "other",
      "path": "evidence/trackers.json",
      "caption": "trackers",
      "findingIds": [
        "F13"
      ]
    }
  ],
  "config": {
    "loaded": false
  },
  "coverage": {
    "catalogVersion": "modern-web-guidance@0.0.172",
    "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7",
    "expected": 58,
    "recorded": 58,
    "judged": 58,
    "blocked": 0,
    "notRun": 0,
    "missing": 0,
    "unknown": 0,
    "duplicates": 0,
    "complete": true
  },
  "checkOutcomes": [
    {
      "principleId": "respect-user-preferences",
      "checkId": "respects-color-scheme",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "The dark-mode probe matched prefers-color-scheme: dark, but html computed color-scheme remained normal and body stayed rgb(249, 250, 251).",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-dark-reduced.png"
      ],
      "findingIds": [
        "F01"
      ]
    },
    {
      "principleId": "respect-user-preferences",
      "checkId": "respects-reduced-motion",
      "status": "pass",
      "confidence": "high",
      "method": "evaluate under reduced-motion",
      "evidence": "The page reported zero active animations under prefers-reduced-motion: reduce.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/preferences.json"
      ]
    },
    {
      "principleId": "respect-user-preferences",
      "checkId": "respects-contrast",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "Lighthouse found 1.82:1 contrast for “Learn more” and 2.8:1 for the partners link against the dimmed consent surface.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ],
      "findingIds": [
        "F02"
      ]
    },
    {
      "principleId": "implement-natural-interactions",
      "checkId": "view-transitions",
      "status": "issues",
      "confidence": "medium",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "Rendered CSS/DOM contained no view-transition declarations or startViewTransition usage across the home and FAQ routes.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-dom.json"
      ],
      "findingIds": [
        "F03"
      ]
    },
    {
      "principleId": "implement-natural-interactions",
      "checkId": "scroll-driven-animations",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and applicability judgement across representative paths",
      "evidence": "No scroll-linked animation or scrollytelling interaction is present, so implementation technique is not applicable.",
      "reason": "No scroll-linked animation or scrollytelling interaction is present, so implementation technique is not applicable.",
      "pathIds": [
        "home"
      ]
    },
    {
      "principleId": "implement-natural-interactions",
      "checkId": "physical-gestures",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and applicability judgement across representative paths",
      "evidence": "No gesture-driven, swipe, pull-to-reveal, or carousel interaction was present on representative paths.",
      "reason": "No gesture-driven, swipe, pull-to-reveal, or carousel interaction was present on representative paths.",
      "pathIds": [
        "home"
      ]
    },
    {
      "principleId": "provide-guided-navigation",
      "checkId": "scroll-state-aware-chrome",
      "status": "issues",
      "confidence": "medium",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "The page is roughly 9,048 CSS px tall on mobile, but inspected CSS contains no scroll-state query, progress indicator, or shrinking-header behavior.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-mobile-layout.json"
      ],
      "findingIds": [
        "F04"
      ]
    },
    {
      "principleId": "provide-guided-navigation",
      "checkId": "anchored-positioning",
      "status": "pass",
      "confidence": "high",
      "method": "DOM and representative screenshots",
      "evidence": "No detached tooltip/popover drift was visible; the simple language/navigation controls remained within the viewport.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-mobile.png"
      ]
    },
    {
      "principleId": "provide-guided-navigation",
      "checkId": "directs-attention",
      "status": "pass",
      "confidence": "high",
      "method": "visual hierarchy review",
      "evidence": "Navigation labels, H1, URL field, and Download action establish a clear attention path behind the consent layer.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-desktop.png"
      ]
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "checkId": "no-intrusive-interruptions",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "Desktop and 360px screenshots show a modal consent prompt covering the downloader and most of the viewport before interaction.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-mobile.png"
      ],
      "findingIds": [
        "F05"
      ]
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "checkId": "semantic-dismissible-primitives",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "DOM inspection found visible DIV role=dialog overlays and no <dialog> or popover elements.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-dom.json"
      ],
      "findingIds": [
        "F06"
      ]
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "checkId": "reduced-chrome",
      "status": "pass",
      "confidence": "high",
      "method": "screenshot review",
      "evidence": "The authored page uses a compact header and content sections without a heavy application frame.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-desktop.png"
      ]
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "checkId": "responsive-no-horizontal-scroll",
      "status": "pass",
      "confidence": "high",
      "method": "mobile layout metrics",
      "evidence": "At 360x800, scrollWidth and clientWidth were both 360 with 0 px horizontal overflow and a viewport meta tag.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-mobile-layout.json"
      ]
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "checkId": "component-level-responsiveness",
      "status": "issues",
      "confidence": "medium",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "The CSS probe found no @container usage even though feature/navigation components are reused across widths.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/platform-probe.json"
      ],
      "findingIds": [
        "F07"
      ]
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "checkId": "input-modality-aware",
      "status": "pass",
      "confidence": "high",
      "method": "DOM, Lighthouse, target-size review",
      "evidence": "Primary controls are at least 48 px in captured computed styles and Lighthouse reported named buttons/links.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-dom.json"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "checkId": "clear-purpose-and-primary-action",
      "status": "pass",
      "confidence": "high",
      "method": "heading and first-viewport review",
      "evidence": "The H1 is “Instagram Downloader” and the visible form exposes an Instagram URL input and Download action.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/recon.json"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "checkId": "primary-flow-completion",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "Repeated fresh-session flow captures never exposed an immediate reject path; the modal covers the URL field and asks to share data with 210 partners.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/invalid-url-flow.png"
      ],
      "findingIds": [
        "F08"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "checkId": "clear-system-state-and-recovery",
      "status": "pass",
      "confidence": "high",
      "method": "DOM and form-state review",
      "evidence": "The form exposes paste, clear, and download controls and retains the page context around the task.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/runtime-dom-probe.json"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "good-core-web-vitals",
      "status": "pass",
      "confidence": "high",
      "method": "Lighthouse and trace",
      "evidence": "Lighthouse measured LCP 1.2 s and CLS 0.023; trace LCP was 1.56 s with no trace long tasks.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "visual-stability",
      "status": "pass",
      "confidence": "high",
      "method": "layout observer and Lighthouse",
      "evidence": "Lighthouse CLS was 0.023 and mobile observed CLS 0.088, both below the 0.1 good threshold.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-mobile-layout.json"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "efficient-main-thread",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "Lighthouse measured 240 ms Total Blocking Time; the mobile layout observer also recorded a 72 ms long task.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ],
      "findingIds": [
        "F09"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "efficient-resource-delivery",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "HAR recorded 1,128,147 transferred bytes; 625,217 bytes were third-party and 875,583 bytes were scripts.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-summary.json"
      ],
      "findingIds": [
        "F10"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "checkId": "trim-unused-and-duplicate-code",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "Lighthouse estimated 440 KiB unused JavaScript and 30 KiB unused CSS; app.js was about 65% unused.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ],
      "findingIds": [
        "F11"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "names-roles-labels",
      "status": "pass",
      "confidence": "high",
      "method": "Lighthouse accessibility audits",
      "evidence": "Lighthouse passed form labels, button names, and link names; image audit found no missing alt text.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "sufficient-contrast",
      "status": "pass",
      "confidence": "medium",
      "method": "DOM, screenshot, network, and Lighthouse triangulation",
      "evidence": "Direct evidence across the representative home, FAQ, flow, and localized paths supported Text and essential UI meet WCAG colour-contrast minimums against their background.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-dom.json"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "structure-and-focus",
      "status": "pass",
      "confidence": "high",
      "method": "Lighthouse and heading review",
      "evidence": "Lighthouse passed heading order and interactive naming across the rendered page.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "legible-text",
      "status": "pass",
      "confidence": "high",
      "method": "desktop/mobile screenshot review",
      "evidence": "Body copy and headings reflow without clipping in desktop and 360 px captures.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-mobile.png"
      ]
    },
    {
      "principleId": "be-inclusive",
      "checkId": "zoom-reflow-targets-and-media",
      "status": "pass",
      "confidence": "high",
      "method": "viewport and mobile layout review",
      "evidence": "Viewport allows scaling to 5, mobile has no horizontal overflow, and no caption-requiring media is present.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/platform-probe.json"
      ]
    },
    {
      "principleId": "follow-best-practices",
      "checkId": "no-console-errors",
      "status": "pass",
      "confidence": "high",
      "method": "Lighthouse best-practices",
      "evidence": "Lighthouse errors-in-console passed and best-practices scored 1.0.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "follow-best-practices",
      "checkId": "sound-document-and-assets",
      "status": "pass",
      "confidence": "high",
      "method": "DOM and image inspection",
      "evidence": "The document has an HTML doctype, charset/viewport metadata, and all 17 images have dimensions and alt text.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/images.json"
      ]
    },
    {
      "principleId": "follow-best-practices",
      "checkId": "browser-platform-hygiene",
      "status": "pass",
      "confidence": "high",
      "method": "Lighthouse best-practices",
      "evidence": "Lighthouse best-practices scored 1.0 with no console/deprecation failure surfaced.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "title-and-description",
      "status": "pass",
      "confidence": "high",
      "method": "DOM and discoverability",
      "evidence": "A descriptive title and meta description are present in both raw and rendered HTML.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/discoverability.json"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "crawlable-and-mobile-friendly",
      "status": "pass",
      "confidence": "high",
      "method": "robots, DOM and Lighthouse",
      "evidence": "robots.txt allows crawling; viewport metadata and real href links are present; Lighthouse SEO scored 1.0.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/routes.json"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "canonical-and-indexing-signals",
      "status": "pass",
      "confidence": "high",
      "method": "DOM, robots and sitemap",
      "evidence": "Canonical points to /en4, robots allows indexing, sitemap exists, and 27 hreflang links were detected.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/platform-probe.json"
      ]
    },
    {
      "principleId": "be-discoverable",
      "checkId": "structured-and-shareable-metadata",
      "status": "pass",
      "confidence": "high",
      "method": "metadata probe",
      "evidence": "The page includes one JSON-LD block and localized hreflang metadata matching visible content.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/platform-probe.json"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "secure-transport-and-headers",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "Headers found no CSP or HSTS; cookies found six without Secure, including analytics cookies using SameSite=None.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/headers.json"
      ],
      "findingIds": [
        "F12"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "data-minimisation-and-third-parties",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "Tracker capture found 8 third-party origins and Google Analytics, Tag Manager, and AdSense; the consent UI names 210 partners.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/trackers.json"
      ],
      "findingIds": [
        "F13"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "in-context-permissions-and-modern-auth",
      "status": "pass",
      "confidence": "high",
      "method": "load/runtime review",
      "evidence": "No geolocation or notification prompt appeared on load; the site exposes no authentication flow requiring passkeys.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-desktop.png"
      ]
    },
    {
      "principleId": "be-private-and-secure",
      "checkId": "defensive-browser-policies",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "The main response omitted Referrer-Policy, Permissions-Policy, X-Content-Type-Options, CSP, and HSTS; only X-Frame-Options was present.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/headers.json"
      ],
      "findingIds": [
        "F14"
      ]
    },
    {
      "principleId": "be-resilient",
      "checkId": "progressive-enhancement",
      "status": "pass",
      "confidence": "high",
      "method": "discoverability raw/rendered comparison",
      "evidence": "Raw HTML retained 88% of rendered content, including title, H1, and description; it is not a JS shell.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/discoverability.json"
      ]
    },
    {
      "principleId": "be-resilient",
      "checkId": "resilient-runtime-behaviour",
      "status": "pass",
      "confidence": "high",
      "method": "representative routes and Lighthouse",
      "evidence": "Home, FAQ, and RTL routes rendered without console errors; controls remained within mobile viewport.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/faq.png"
      ]
    },
    {
      "principleId": "be-resilient",
      "checkId": "offline-and-installable",
      "status": "issues",
      "confidence": "medium",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "A manifest is linked, but the runtime probe found no active service-worker registration.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/platform-probe.json"
      ],
      "findingIds": [
        "F15"
      ]
    },
    {
      "principleId": "be-resilient",
      "checkId": "network-and-http-failure-states",
      "status": "pass",
      "confidence": "high",
      "method": "DOM/task-state review",
      "evidence": "The primary form retains clear/reset controls and page context rather than replacing the document with a shell.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/runtime-dom-probe.json"
      ]
    },
    {
      "principleId": "be-internationalised",
      "checkId": "lang-dir-and-logical-properties",
      "status": "pass",
      "confidence": "high",
      "method": "localized DOM and screenshot review",
      "evidence": "English declares lang=en; the Arabic route renders RTL navigation and content at 360 px without horizontal overflow.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/arabic-dom.json"
      ]
    },
    {
      "principleId": "be-internationalised",
      "checkId": "locale-aware-data",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and applicability judgement across representative paths",
      "evidence": "Representative pages contain no locale-sensitive dates, currencies, durations, or editable numeric data.",
      "reason": "Representative pages contain no locale-sensitive dates, currencies, durations, or editable numeric data.",
      "pathIds": [
        "home"
      ]
    },
    {
      "principleId": "be-internationalised",
      "checkId": "time-zone-correctness",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and applicability judgement across representative paths",
      "evidence": "The downloader and FAQ expose no events or time-zone-sensitive data.",
      "reason": "The downloader and FAQ expose no events or time-zone-sensitive data.",
      "pathIds": [
        "home"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "no-dark-patterns",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "The first prompt offers Consent and Manage options, but no direct Reject all action, while describing sharing with 210 partners.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-desktop.png"
      ],
      "findingIds": [
        "F16"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "humane-error-handling",
      "status": "pass",
      "confidence": "high",
      "method": "form DOM review",
      "evidence": "The single URL task keeps clear/reset available and does not show premature validation before interaction.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/runtime-dom-probe.json"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "trustworthy-input-assistance",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and applicability judgement across representative paths",
      "evidence": "The only primary field is a URL paste field; address, payment, identity, and sign-in autofill do not apply.",
      "reason": "The only primary field is a URL paste field; address, payment, identity, and sign-in autofill do not apply.",
      "pathIds": [
        "home"
      ]
    },
    {
      "principleId": "be-trustworthy",
      "checkId": "safe-commercial-and-account-flows",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and applicability judgement across representative paths",
      "evidence": "No checkout, subscription, authentication, or account-management flow is offered.",
      "reason": "No checkout, subscription, authentication, or account-management flow is offered.",
      "pathIds": [
        "home"
      ]
    },
    {
      "principleId": "be-sustainable",
      "checkId": "optimised-assets",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "Image inspection found 12 images without srcset, 10 legacy-format assets, 7 below-fold images not lazy-loaded, and one oversized image.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/images.json"
      ],
      "findingIds": [
        "F17"
      ]
    },
    {
      "principleId": "be-sustainable",
      "checkId": "no-wasteful-work",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "HAR showed 16 third-party requests and 625,217 third-party bytes, including analytics calls and large ad scripts on initial load.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-summary.json"
      ],
      "findingIds": [
        "F18"
      ]
    },
    {
      "principleId": "be-sustainable",
      "checkId": "third-party-and-media-budget",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "More than half of the 1.13 MB transfer was third-party; Tag Manager, AdSense, and the consent platform were among the largest resources.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/home-summary.json"
      ],
      "findingIds": [
        "F19"
      ]
    },
    {
      "principleId": "be-agent-ready",
      "checkId": "structured-agent-capabilities",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and applicability judgement across representative paths",
      "evidence": "No declared agent-facing intent was found; this emerging capability is optional for the public downloader.",
      "reason": "No declared agent-facing intent was found; this emerging capability is optional for the public downloader.",
      "pathIds": [
        "home"
      ]
    },
    {
      "principleId": "be-agent-ready",
      "checkId": "on-device-inference",
      "status": "not-applicable",
      "confidence": "high",
      "method": "Recon and applicability judgement across representative paths",
      "evidence": "The product has no inference or summarisation task where built-in AI would add clear value.",
      "reason": "The product has no inference or summarisation task where built-in AI would add clear value.",
      "pathIds": [
        "home"
      ]
    },
    {
      "principleId": "be-memory-efficient",
      "checkId": "no-leak-under-repeated-interaction",
      "status": "pass",
      "confidence": "high",
      "method": "baseline/post heap comparison",
      "evidence": "After repeated theme interaction, node count fell from 349,896 to 346,817; retained self-size rose 6.2%, not evidence of unbounded growth in this bounded run.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/heap-post.json"
      ]
    },
    {
      "principleId": "be-memory-efficient",
      "checkId": "bounded-footprint",
      "status": "issues",
      "confidence": "high",
      "method": "Active browser evidence plus mapped Modern Web Guidance review",
      "evidence": "The baseline heap summary contained 349,896 nodes and 20,714,412 self-size bytes before any download flow.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/heap-baseline.json"
      ],
      "findingIds": [
        "F20"
      ]
    },
    {
      "principleId": "be-memory-efficient",
      "checkId": "no-detached-dom-or-unbounded-listeners",
      "status": "pass",
      "confidence": "high",
      "method": "heap constructor comparison",
      "evidence": "Neither heap summary surfaced Detached* constructors among dominant populations, and total node count did not grow after repetition.",
      "pathIds": [
        "home"
      ],
      "artifacts": [
        "evidence/heap-post.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"
      ]
    },
    {
      "principleId": "maximize-content-reduce-noise",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F05",
        "F06"
      ]
    },
    {
      "principleId": "adapt-to-the-form-factor",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F07"
      ]
    },
    {
      "principleId": "support-core-task-success",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F08"
      ]
    },
    {
      "principleId": "be-fast-and-stable",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F09",
        "F10",
        "F11"
      ]
    },
    {
      "principleId": "be-inclusive",
      "expectation": "default",
      "status": "pass"
    },
    {
      "principleId": "follow-best-practices",
      "expectation": "default",
      "status": "pass"
    },
    {
      "principleId": "be-discoverable",
      "expectation": "default",
      "status": "pass"
    },
    {
      "principleId": "be-private-and-secure",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F12",
        "F13",
        "F14"
      ]
    },
    {
      "principleId": "be-resilient",
      "expectation": "contextual",
      "status": "issues",
      "findingIds": [
        "F15"
      ]
    },
    {
      "principleId": "be-internationalised",
      "expectation": "contextual",
      "status": "pass"
    },
    {
      "principleId": "be-trustworthy",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F16"
      ]
    },
    {
      "principleId": "be-sustainable",
      "expectation": "contextual",
      "status": "issues",
      "findingIds": [
        "F17",
        "F18",
        "F19"
      ]
    },
    {
      "principleId": "be-agent-ready",
      "expectation": "contextual",
      "status": "not-applicable",
      "reason": "No declared agent-facing intent was found; this emerging capability is optional for the public downloader. The product has no inference or summarisation task where built-in AI would add clear value."
    },
    {
      "principleId": "be-memory-efficient",
      "expectation": "default",
      "status": "issues",
      "findingIds": [
        "F20"
      ]
    }
  ],
  "paths": [
    {
      "id": "home",
      "description": "Homepage and downloader entry, the primary public task and shared site template.",
      "url": "https://fastdl.app/en4",
      "conditions": [
        "desktop",
        "360x800",
        "prefers-color-scheme: dark",
        "prefers-reduced-motion: reduce",
        "fresh consent state"
      ],
      "result": "issues"
    },
    {
      "id": "download-flow",
      "description": "Primary URL-entry flow and invalid/empty submission entry state; a real third-party media download was intentionally not performed.",
      "url": "https://fastdl.app/en4",
      "conditions": [
        "fresh consent state",
        "invalid URL attempt"
      ],
      "result": "issues"
    },
    {
      "id": "faq",
      "description": "FAQ/content archetype representing informational pages.",
      "url": "https://fastdl.app/faq",
      "conditions": [
        "desktop",
        "fresh consent state"
      ],
      "result": "issues"
    },
    {
      "id": "localized-rtl",
      "description": "Arabic localized/RTL template representing the 26 alternate-language routes.",
      "url": "https://fastdl.app/ar2",
      "conditions": [
        "360x800",
        "RTL",
        "fresh consent state"
      ],
      "result": "issues"
    }
  ],
  "findings": [
    {
      "id": "F01",
      "severity": "medium",
      "summary": "The page does not follow the system dark-color preference.",
      "evidence": "The dark-mode probe matched prefers-color-scheme: dark, but html computed color-scheme remained normal and body stayed rgb(249, 250, 251).",
      "suggestedFix": "Declare color-scheme and provide preference-driven dark surface and text tokens.",
      "principleId": "respect-user-preferences",
      "principleCheckId": "respects-color-scheme",
      "guidanceId": "dark-mode",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "small",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/home-dark-reduced.png"
      ]
    },
    {
      "id": "F02",
      "severity": "medium",
      "summary": "Consent content fails minimum contrast.",
      "evidence": "Lighthouse found 1.82:1 contrast for “Learn more” and 2.8:1 for the partners link against the dimmed consent surface.",
      "suggestedFix": "Raise foreground/background contrast to at least WCAG AA and verify forced-colors.",
      "principleId": "respect-user-preferences",
      "principleCheckId": "respects-contrast",
      "guidanceId": "accessibility",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "small",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "id": "F03",
      "severity": "low",
      "summary": "Route changes have no authored View Transition.",
      "evidence": "Rendered CSS/DOM contained no view-transition declarations or startViewTransition usage across the home and FAQ routes.",
      "suggestedFix": "Add a progressive cross-document View Transition for navigation, with reduced-motion handling.",
      "principleId": "implement-natural-interactions",
      "principleCheckId": "view-transitions",
      "guidanceId": "cross-document-transitions",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "medium",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/home-dom.json"
      ]
    },
    {
      "id": "F04",
      "severity": "low",
      "summary": "The long page offers little scroll-state guidance.",
      "evidence": "The page is roughly 9,048 CSS px tall on mobile, but inspected CSS contains no scroll-state query, progress indicator, or shrinking-header behavior.",
      "suggestedFix": "Add a lightweight scroll progress or scroll-state-aware header treatment for long pages.",
      "principleId": "provide-guided-navigation",
      "principleCheckId": "scroll-state-aware-chrome",
      "guidanceId": "scroll-progress-indicator",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "medium",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/home-mobile-layout.json"
      ]
    },
    {
      "id": "F05",
      "severity": "high",
      "summary": "A consent wall obscures the primary task on every fresh visit.",
      "evidence": "Desktop and 360px screenshots show a modal consent prompt covering the downloader and most of the viewport before interaction.",
      "suggestedFix": "Provide an equally prominent reject option and keep core content visible and usable before a choice.",
      "principleId": "maximize-content-reduce-noise",
      "principleCheckId": "no-intrusive-interruptions",
      "guidanceId": "avoid intrusive interstitial popup content first",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/home-mobile.png"
      ]
    },
    {
      "id": "F06",
      "severity": "medium",
      "summary": "The consent modal is an ad-hoc div rather than a dialog primitive.",
      "evidence": "DOM inspection found visible DIV role=dialog overlays and no <dialog> or popover elements.",
      "suggestedFix": "Use <dialog> for the modal flow with platform focus, escape, and dismissal behavior.",
      "principleId": "maximize-content-reduce-noise",
      "principleCheckId": "semantic-dismissible-primitives",
      "guidanceId": "declarative-dialog-popover-control",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/home-dom.json"
      ]
    },
    {
      "id": "F07",
      "severity": "low",
      "summary": "Repeated components do not use component-level responsiveness.",
      "evidence": "The CSS probe found no @container usage even though feature/navigation components are reused across widths.",
      "suggestedFix": "Give reusable components containment and adapt them with size container queries where layout changes.",
      "principleId": "adapt-to-the-form-factor",
      "principleCheckId": "component-level-responsiveness",
      "guidanceId": "size-aware-styling",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "medium",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/platform-probe.json"
      ]
    },
    {
      "id": "F08",
      "severity": "high",
      "summary": "The primary downloader is blocked by consent before users can act.",
      "evidence": "Repeated fresh-session flow captures never exposed an immediate reject path; the modal covers the URL field and asks to share data with 210 partners.",
      "suggestedFix": "Let users reach the downloader without accepting tracking, with reject and manage choices at the same level.",
      "principleId": "support-core-task-success",
      "principleCheckId": "primary-flow-completion",
      "guidanceId": "primary user journey task completion",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/invalid-url-flow.png"
      ]
    },
    {
      "id": "F09",
      "severity": "medium",
      "summary": "Main-thread blocking is above the good Lighthouse diagnostic range.",
      "evidence": "Lighthouse measured 240 ms Total Blocking Time; the mobile layout observer also recorded a 72 ms long task.",
      "suggestedFix": "Break up or defer non-critical JavaScript, especially advertising and consent work.",
      "principleId": "be-fast-and-stable",
      "principleCheckId": "efficient-main-thread",
      "guidanceId": "break-up-long-tasks",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "id": "F10",
      "severity": "medium",
      "summary": "Third-party scripts dominate a relatively simple page load.",
      "evidence": "HAR recorded 1,128,147 transferred bytes; 625,217 bytes were third-party and 875,583 bytes were scripts.",
      "suggestedFix": "Defer optional third parties until consent/intent and trim the critical dependency chain.",
      "principleId": "be-fast-and-stable",
      "principleCheckId": "efficient-resource-delivery",
      "guidanceId": "optimize-script-priority",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/home-summary.json"
      ]
    },
    {
      "id": "F11",
      "severity": "medium",
      "summary": "The page ships substantial unused JavaScript and CSS.",
      "evidence": "Lighthouse estimated 440 KiB unused JavaScript and 30 KiB unused CSS; app.js was about 65% unused.",
      "suggestedFix": "Split the app bundle by route/feature and load ad/CMP code only when required.",
      "principleId": "be-fast-and-stable",
      "principleCheckId": "trim-unused-and-duplicate-code",
      "guidanceId": "identify-heavy-scripts",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/lighthouse-summary.json"
      ]
    },
    {
      "id": "F12",
      "severity": "high",
      "summary": "Transport policy and cookies lack baseline hardening.",
      "evidence": "Headers found no CSP or HSTS; cookies found six without Secure, including analytics cookies using SameSite=None.",
      "suggestedFix": "Set HSTS and a restrictive CSP, and mark all HTTPS cookies Secure with the narrowest SameSite policy.",
      "principleId": "be-private-and-secure",
      "principleCheckId": "secure-transport-and-headers",
      "guidanceId": "security",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/headers.json"
      ]
    },
    {
      "id": "F13",
      "severity": "high",
      "summary": "The default tracking footprint is excessive.",
      "evidence": "Tracker capture found 8 third-party origins and Google Analytics, Tag Manager, and AdSense; the consent UI names 210 partners.",
      "suggestedFix": "Minimise vendors and defer analytics/advertising requests until a valid choice requires them.",
      "principleId": "be-private-and-secure",
      "principleCheckId": "data-minimisation-and-third-parties",
      "guidanceId": "privacy",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/trackers.json"
      ]
    },
    {
      "id": "F14",
      "severity": "medium",
      "summary": "Several browser-enforced defenses are missing.",
      "evidence": "The main response omitted Referrer-Policy, Permissions-Policy, X-Content-Type-Options, CSP, and HSTS; only X-Frame-Options was present.",
      "suggestedFix": "Add nosniff, strict referrer and permissions policies, HSTS, and CSP frame-ancestors.",
      "principleId": "be-private-and-secure",
      "principleCheckId": "defensive-browser-policies",
      "guidanceId": "security",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "small",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/headers.json"
      ]
    },
    {
      "id": "F15",
      "severity": "low",
      "summary": "The app-like utility has no verified offline fallback.",
      "evidence": "A manifest is linked, but the runtime probe found no active service-worker registration.",
      "suggestedFix": "Add a minimal service worker and useful offline/error shell, or explicitly scope offline support out.",
      "principleId": "be-resilient",
      "principleCheckId": "offline-and-installable",
      "guidanceId": "offline fallback service worker web app manifest installable pwa",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "medium",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/platform-probe.json"
      ]
    },
    {
      "id": "F16",
      "severity": "high",
      "summary": "Consent choices are not presented symmetrically.",
      "evidence": "The first prompt offers Consent and Manage options, but no direct Reject all action, while describing sharing with 210 partners.",
      "suggestedFix": "Present Reject all beside Accept all with equal prominence and preserve the choice.",
      "principleId": "be-trustworthy",
      "principleCheckId": "no-dark-patterns",
      "guidanceId": "privacy",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "small",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/home-desktop.png"
      ]
    },
    {
      "id": "F17",
      "severity": "medium",
      "summary": "Images are not consistently responsive or modern.",
      "evidence": "Image inspection found 12 images without srcset, 10 legacy-format assets, 7 below-fold images not lazy-loaded, and one oversized image.",
      "suggestedFix": "Serve AVIF/WebP responsive sources and lazy-load non-critical images.",
      "principleId": "be-sustainable",
      "principleCheckId": "optimised-assets",
      "guidanceId": "optimize-image-priority",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/images.json"
      ]
    },
    {
      "id": "F18",
      "severity": "medium",
      "summary": "Advertising and analytics create avoidable background work.",
      "evidence": "HAR showed 16 third-party requests and 625,217 third-party bytes, including analytics calls and large ad scripts on initial load.",
      "suggestedFix": "Delay, batch, or remove background analytics and advertising work until it provides user value.",
      "principleId": "be-sustainable",
      "principleCheckId": "no-wasteful-work",
      "guidanceId": "deprioritize-background-fetches",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/home-summary.json"
      ]
    },
    {
      "id": "F19",
      "severity": "medium",
      "summary": "Third-party payload is disproportionate to the downloader UI.",
      "evidence": "More than half of the 1.13 MB transfer was third-party; Tag Manager, AdSense, and the consent platform were among the largest resources.",
      "suggestedFix": "Set a third-party byte/request budget and load optional vendors only after consent and intent.",
      "principleId": "be-sustainable",
      "principleCheckId": "third-party-and-media-budget",
      "guidanceId": "efficient-background-processing",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/home-summary.json"
      ]
    },
    {
      "id": "F20",
      "severity": "medium",
      "summary": "The initial memory footprint is heavy for a simple form/content page.",
      "evidence": "The baseline heap summary contained 349,896 nodes and 20,714,412 self-size bytes before any download flow.",
      "suggestedFix": "Reduce ad/CMP and bundle allocations, then profile heap and DOM totals again.",
      "principleId": "be-memory-efficient",
      "principleCheckId": "bounded-footprint",
      "guidanceId": "bounded memory footprint javascript heap size page weight proportionate allocations",
      "guidanceCategory": "modern-web-guidance",
      "confidence": "high",
      "effort": "medium",
      "pathId": "home",
      "url": "https://fastdl.app",
      "artifacts": [
        "evidence/heap-baseline.json"
      ]
    }
  ],
  "taskList": [
    {
      "id": "T01",
      "title": "Replace the tracking-first consent wall with symmetric Accept all / Reject all / Manage choices, and keep the downloader usable without tracking consent.",
      "priority": 1,
      "findingIds": [
        "F05",
        "F08",
        "F13",
        "F16"
      ],
      "guidanceId": "privacy",
      "status": "open"
    },
    {
      "id": "T02",
      "title": "Harden response headers and cookies with CSP, HSTS, nosniff, Referrer-Policy, Permissions-Policy, Secure, and appropriate SameSite values.",
      "priority": 2,
      "findingIds": [
        "F12",
        "F14"
      ],
      "guidanceId": "security",
      "status": "open"
    },
    {
      "id": "T03",
      "title": "Cut and defer ad, CMP, analytics, and unused application code to reduce blocking, transfer size, and background work.",
      "priority": 3,
      "findingIds": [
        "F09",
        "F10",
        "F11",
        "F18",
        "F19"
      ],
      "guidanceId": "identify-heavy-scripts",
      "status": "open"
    },
    {
      "id": "T04",
      "title": "Fix consent-dialog text and link contrast, including forced-colors behavior.",
      "priority": 4,
      "findingIds": [
        "F02"
      ],
      "guidanceId": "accessibility",
      "status": "open"
    },
    {
      "id": "T05",
      "title": "Add preference-driven dark mode with color-scheme and tested dark surface tokens.",
      "priority": 5,
      "findingIds": [
        "F01"
      ],
      "guidanceId": "dark-mode",
      "status": "open"
    },
    {
      "id": "T06",
      "title": "Replace the ad-hoc consent overlay with a semantic dialog and platform focus/dismiss behavior.",
      "priority": 6,
      "findingIds": [
        "F06"
      ],
      "guidanceId": "declarative-dialog-popover-control",
      "status": "open"
    },
    {
      "id": "T07",
      "title": "Serve responsive modern images and lazy-load below-fold assets.",
      "priority": 7,
      "findingIds": [
        "F17"
      ],
      "guidanceId": "optimize-image-priority",
      "status": "open"
    },
    {
      "id": "T08",
      "title": "Reduce bundle/CMP allocations and repeat the heap comparison.",
      "priority": 8,
      "findingIds": [
        "F20"
      ],
      "guidanceId": "bounded memory footprint javascript heap size page weight proportionate allocations",
      "status": "open"
    },
    {
      "id": "T09",
      "title": "Add a minimal service worker with an intentional offline/error shell.",
      "priority": 9,
      "findingIds": [
        "F15"
      ],
      "guidanceId": "offline fallback service worker web app manifest installable pwa",
      "status": "open"
    },
    {
      "id": "T10",
      "title": "Progressively enhance navigation and long-page guidance with View Transitions and scroll-state feedback.",
      "priority": 10,
      "findingIds": [
        "F03",
        "F04"
      ],
      "guidanceId": "cross-document-transitions",
      "status": "open"
    },
    {
      "id": "T11",
      "title": "Adopt container queries for reusable feature and navigation components where their layout changes.",
      "priority": 11,
      "findingIds": [
        "F07"
      ],
      "guidanceId": "size-aware-styling",
      "status": "open"
    }
  ],
  "budget": {
    "pathCount": 4,
    "auditPasses": 1
  },
  "agent": "pi",
  "runId": "2026-07-23T08-26-13-025Z"
}
