{ "url": "https://trilltrill.jp", "auditedAt": "2026-07-22T21:05:00.000Z", "mode": "report", "status": "completed", "statusDetail": "Coverage-complete audit of the homepage, a current article, and terms/policy template.", "page": { "appType": "mpa", "framework": "server-rendered Rails-style MPA with extensive third-party scripts", "notes": "Public Japanese lifestyle publication; a Google Funding Choices consent layer appears on fresh visits." }, "evidenceUsed": [ "screenshot", "dom", "layout-metrics", "evaluate-probe", "reduced-motion emulation", "trace", "har", "discoverability", "headers", "cookies", "trackers", "secrets", "images", "lighthouse", "axe-core", "heap-summary", "robots/sitemap fetch" ], "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/article-desktop.png", "caption": "article desktop", "findingIds": [] }, { "type": "screenshot", "path": "evidence/article-discoverability-crawler.png", "caption": "article discoverability crawler", "findingIds": [] }, { "type": "screenshot", "path": "evidence/article-discoverability-rendered.png", "caption": "article discoverability rendered", "findingIds": [] }, { "type": "discoverability", "path": "evidence/article-discoverability.json", "caption": "article discoverability", "findingIds": [ "F33" ] }, { "type": "dom", "path": "evidence/article-dom.json", "caption": "article dom", "findingIds": [] }, { "type": "other", "path": "evidence/article-images.json", "caption": "article images", "findingIds": [ "F21", "F30" ] }, { "type": "layout", "path": "evidence/article-mobile-layout.json", "caption": "article mobile layout", "findingIds": [ "F04" ] }, { "type": "other", "path": "evidence/axe.json", "caption": "axe", "findingIds": [ "F02", "F16", "F17", "F18" ] }, { "type": "other", "path": "evidence/cookies.json", "caption": "cookies", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-consulted.tar.gz", "caption": "guidance consulted.tar", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-list.json", "caption": "guidance list", "findingIds": [] }, { "type": "other", "path": "evidence/headers.json", "caption": "headers", "findingIds": [ "F25", "F27" ] }, { "type": "heap", "path": "evidence/heap-baseline.json", "caption": "heap baseline", "findingIds": [ "F34" ] }, { "type": "heap", "path": "evidence/heap-post-scroll.json", "caption": "heap post scroll", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-post.json", "caption": "heap post", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark", "findingIds": [ "F01" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop", "findingIds": [ "F05" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "home discoverability crawler", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "home discoverability rendered", "findingIds": [] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "home discoverability", "findingIds": [ "F23" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom", "findingIds": [] }, { "type": "other", "path": "evidence/home-images.json", "caption": "home images", "findingIds": [] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "home mobile layout", "findingIds": [ "F08" ] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile", "findingIds": [ "F06", "F09", "F11" ] }, { "type": "other", "path": "evidence/home-probe.json", "caption": "home probe", "findingIds": [ "F03", "F10", "F24" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "home summary", "findingIds": [ "F07", "F14", "F32" ] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "home trace summary", "findingIds": [] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "home trace", "findingIds": [] }, { "type": "har", "path": "evidence/home.har", "caption": "home", "findingIds": [] }, { "type": "lighthouse", "path": "evidence/lighthouse-summary.json", "caption": "lighthouse summary", "findingIds": [ "F12", "F13", "F15", "F19", "F20", "F22", "F28", "F31" ] }, { "type": "lighthouse", "path": "evidence/lighthouse.json", "caption": "lighthouse", "findingIds": [] }, { "type": "other", "path": "evidence/reduced-motion-probe.json", "caption": "reduced motion probe", "findingIds": [] }, { "type": "other", "path": "evidence/references-consulted.json", "caption": "references consulted", "findingIds": [] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots", "findingIds": [] }, { "type": "other", "path": "evidence/secrets.json", "caption": "secrets", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "sitemap", "findingIds": [] }, { "type": "screenshot", "path": "evidence/terms-desktop.png", "caption": "terms desktop", "findingIds": [] }, { "type": "dom", "path": "evidence/terms-dom.json", "caption": "terms dom", "findingIds": [] }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers", "findingIds": [ "F26", "F29" ] } ], "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": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "A dark-mode screenshot is visually identical to the light rendering and the computed root colorScheme is normal.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Under emulated reduced motion, matchMedia is true, there are zero active animations, and scroll behavior is auto.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "axe reports 78 serious color-contrast failures on homepage article authors and dates.", "pathIds": [ "home" ], "artifacts": [ "evidence/axe.json" ], "findingIds": [ "F02" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "The DOM probe found no active animations or authored transition use on a link-heavy publication experience.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F03" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Screenshots and animation probes show no custom scroll animation that fights native scrolling.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Primary content and pagination use ordinary anchors that work through platform click/tap activation.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "The article content is 10,650px tall, while screenshots and DOM show no progress indicator or state-aware reading chrome.", "pathIds": [ "article" ], "artifacts": [ "evidence/article-mobile-layout.json" ], "findingIds": [ "F04" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Visible category and ranking navigation remains spatially associated with its labels in desktop evidence.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "The homepage and article use clear image/title groupings and recognizable linked cards.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Desktop and mobile screenshots show a full-page dimmer and consent prompt before any article can be read.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ], "findingIds": [ "F05" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Four role=dialog nodes lack aria-modal; at 360px the panel is mostly off-screen and produces 778px horizontal overflow.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ], "findingIds": [ "F06" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "HAR records 145 requests, 140 third-party requests, 63 scripts, and 68 third-party origins while the consent overlay obscures content.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json" ], "findingIds": [ "F07" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Layout at a 360px viewport reports scrollWidth 1138px, clientWidth 360px, and horizontalOverflowPx 778 on both home and article.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json" ], "findingIds": [ "F08" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "The consent panel is clipped almost completely at 360px and the layout retains a 1138px CSS width.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ], "findingIds": [ "F09" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "The focus probe reports outline-style none for all 30 sampled visible interactive elements.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F10" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Title, description, visible article cards, and article headline clearly communicate a Japanese lifestyle publication and reading action.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "At 360px only the right edge of the consent surface is visible, leaving its choice buttons off-screen.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile.png" ], "findingIds": [ "F11" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Consent UI offers explicit consent, decline, and manage-options recovery controls.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Mobile Lighthouse reports performance 0.37, FCP 6.3s, LCP 18.1s, TBT 770ms, and Speed Index 18.4s.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F12" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Layout observer measured CLS 0.0000069 on home and 0.00065 on article, both well within the good threshold.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Lighthouse reports 6.9s main-thread work, 4.4s JavaScript execution, and 770ms TBT; the HAR contains 63 scripts.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "HAR records 3.08MB in one capture; Lighthouse records 4,886KiB and 1,482KiB potential cache-lifetime savings.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Lighthouse estimates 1,311KiB unused JavaScript and 62KiB unused CSS.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "axe finds an unnamed search button and five unnamed pagination/social links.", "pathIds": [ "home" ], "artifacts": [ "evidence/axe.json" ], "findingIds": [ "F16" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "axe reports 78 serious contrast failures, concentrated in bylines and publication dates.", "pathIds": [ "home" ], "artifacts": [ "evidence/axe.json" ], "findingIds": [ "F17" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "axe reports incorrect heading order and a nested complementary landmark; the probe also shows no visible outlines.", "pathIds": [ "home" ], "artifacts": [ "evidence/axe.json" ], "findingIds": [ "F18" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Desktop screenshots show readable primary Japanese headlines and article text with stable alignment.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Lighthouse flags a restrictive viewport and undersized touch targets; raw mobile layout overflows 778px.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F19" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Lighthouse fails the console-errors audit.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F20" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "The article image audit finds 16 images without dimensions, 10 without srcset, and eight below-fold images not lazy-loaded.", "pathIds": [ "article" ], "artifacts": [ "evidence/article-images.json" ], "findingIds": [ "F21" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Lighthouse reports a deprecated API warning and DevTools Issues failures.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Homepage and article both return specific titles and meta descriptions in raw HTML.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Raw-HTML coverage is 32% on home and 29% on article; mobile layout overflows 778px.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json" ], "findingIds": [ "F23" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Homepage probe reports a self-referencing HTTPS canonical and robots.txt is reachable.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "The DOM probe finds zero application/ld+json blocks on the homepage.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-probe.json" ], "findingIds": [ "F24" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "HTTPS is used, but CSP and HSTS are missing; 16 of 20 observed cookies lack Secure, including the Rails session cookie.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F25" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Tracker capture sees 68 third-party origins and 13 known tracker domains; HAR attributes 140 of 145 requests and 3.04MB to third parties.", "pathIds": [ "home" ], "artifacts": [ "evidence/trackers.json" ], "findingIds": [ "F26" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "No browser permission prompt, credential field, auth flow, or exposed secret was observed; secrets scan found zero findings.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "CSP and Permissions-Policy are absent, although nosniff, SAMEORIGIN, and strict-origin referrer policy are present.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F27" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Raw server HTML is non-empty, with title/description and article H1 available without JavaScript.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Lighthouse reports console errors and deprecated API use on the primary path.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F28" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon.", "evidence": "Not applicable to the observed site capability.", "reason": "A public article publisher does not present itself as an installable/offline application; no manifest or offline promise is made." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Primary navigation uses real href anchors, preserving browser reload/back and native HTTP failure behavior.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "All sampled templates declare lang=ja and render Japanese text in the expected horizontal direction.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Visible dates and copy use Japanese ordering and notation appropriate to the declared locale.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "No ambiguous live event, deadline, or cross-zone scheduling surface was found; publication dates are simple calendar dates.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "The initial screenshot shows the consent request, while the same fresh-load tracker capture already records 68 third-party origins and known ad/analytics trackers.", "pathIds": [ "home" ], "artifacts": [ "evidence/trackers.json" ], "findingIds": [ "F29" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "The only exercised decision flow offers decline and manage-options controls rather than trapping the user.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon.", "evidence": "Not applicable to the observed site capability.", "reason": "No authored data-entry form is part of the representative public reading journey; observed checkboxes belong to the third-party consent manager." }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon.", "evidence": "Not applicable to the observed site capability.", "reason": "No purchase, subscription checkout, or account-management flow appears in the audited public templates." }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Lighthouse reports a 4,886KiB page and 288KiB image-delivery savings; article images lack dimensions and srcset.", "pathIds": [ "article" ], "artifacts": [ "evidence/article-images.json" ], "findingIds": [ "F30" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Lighthouse estimates 1,311KiB unused JS, 6.9s main-thread work, and 4.4s JS execution.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-summary.json" ], "findingIds": [ "F31" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "HAR shows 140 third-party requests and 3.04MB third-party transfer on initial load.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-summary.json" ], "findingIds": [ "F32" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "The public article has only 29% raw/rendered content-word coverage and homepage has no JSON-LD.", "pathIds": [ "article" ], "artifacts": [ "evidence/article-discoverability.json" ], "findingIds": [ "F33" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Applicability judgement from representative-path recon.", "evidence": "Not applicable to the observed site capability.", "reason": "The site exposes no AI inference feature, summarizer, or local-model promise for which on-device inference would apply." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "After ten repeated top/bottom scroll cycles, heap totals were lower than baseline (889,844 vs 896,651 nodes; 47.28MB vs 47.63MB), showing no retained growth in this interaction.", "pathIds": [ "home", "article", "terms" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "high", "method": "Direct visual/CDP/Lighthouse/axe evidence evaluated against mapped guidance.", "evidence": "Baseline heap contains 896,651 nodes, 3,832,781 edges, and 47.6MB self size before extended interaction.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-baseline.json" ], "findingIds": [ "F34" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "Direct screenshot, DOM, layout, accessibility, network, discoverability, or heap inspection across representative paths.", "evidence": "Heap summaries show no Detached* constructor among top retained constructors, and repeated scrolling did not increase node count.", "pathIds": [ "home", "article", "terms" ] } ], "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", "F07" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F08", "F09", "F10" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "issues", "findingIds": [ "F11" ] }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F12", "F13", "F14", "F15" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F16", "F17", "F18", "F19" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F20", "F21", "F22" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F23", "F24" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F25", "F26", "F27" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F28" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "pass" }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F29" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F30", "F31", "F32" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "F33" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F34" ] } ], "paths": [ { "id": "home", "description": "Homepage/listing archetype and primary article-discovery journey; tested desktop, 360px mobile, dark/reduced-motion preferences, keyboard focus, accessibility, performance, network, security, privacy, and memory.", "url": "https://trilltrill.jp/", "conditions": [ "1440x1000", "360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce", "keyboard focus", "fresh consent state" ], "result": "issues" }, { "id": "article", "description": "Current article/detail archetype representing the core reading journey; tested desktop, mobile layout, crawler visibility, and image delivery.", "url": "https://trilltrill.jp/articles/4881896", "conditions": [ "1440x1000", "360x800", "JavaScript disabled crawler view" ], "result": "issues" }, { "id": "terms", "description": "Terms/policy archetype used to verify legal-content rendering and language consistency.", "url": "https://trilltrill.jp/terms", "conditions": [ "1440x1000", "fresh consent state" ], "result": "issues" } ], "findings": [ { "id": "F01", "severity": "medium", "summary": "The site ignores the user’s dark-color preference", "evidence": "A dark-mode screenshot is visually identical to the light rendering and the computed root colorScheme is normal.", "suggestedFix": "Add color-scheme: light dark and preference-driven surface and text tokens.", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-dark.png" ] }, { "id": "F02", "severity": "high", "summary": "Text contrast is insufficient across article metadata", "evidence": "axe reports 78 serious color-contrast failures on homepage article authors and dates.", "suggestedFix": "Raise text/background contrast to WCAG AA and verify under high-contrast preferences.", "principleId": "respect-user-preferences", "principleCheckId": "respects-contrast", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/axe.json" ] }, { "id": "F03", "severity": "low", "summary": "Navigation changes have no continuity cue", "evidence": "The DOM probe found no active animations or authored transition use on a link-heavy publication experience.", "suggestedFix": "Use restrained cross-document view transitions for article navigation, with reduced-motion fallback.", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-probe.json" ] }, { "id": "F04", "severity": "low", "summary": "Long pages provide no scroll-progress or state-aware navigation", "evidence": "The article content is 10,650px tall, while screenshots and DOM show no progress indicator or state-aware reading chrome.", "suggestedFix": "Add a lightweight reading-progress indicator or compact sticky article context.", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "scroll-progress-indicator", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "article", "url": "https://trilltrill.jp/articles/4881896", "artifacts": [ "evidence/article-mobile-layout.json" ] }, { "id": "F05", "severity": "high", "summary": "Consent UI blocks the entire reading experience on arrival", "evidence": "Desktop and mobile screenshots show a full-page dimmer and consent prompt before any article can be read.", "suggestedFix": "Make the initial consent choice compact, responsive, and non-obscuring while preserving a clear decline option.", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "persistent-top-layer-ui", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-desktop.png" ] }, { "id": "F06", "severity": "high", "summary": "Consent dialogs are not robust semantic modals and fail on mobile", "evidence": "Four role=dialog nodes lack aria-modal; at 360px the panel is mostly off-screen and produces 778px horizontal overflow.", "suggestedFix": "Use a native dialog/top-layer pattern with aria-modal, focus containment, Escape handling, and responsive inline sizing.", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "platform-controls-dismiss-dialog", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-mobile.png" ] }, { "id": "F07", "severity": "high", "summary": "Advertising and tracking machinery dominates page cost and attention", "evidence": "HAR records 145 requests, 140 third-party requests, 63 scripts, and 68 third-party origins while the consent overlay obscures content.", "suggestedFix": "Gate non-essential advertising and recommendation chrome until needed and after a valid choice.", "principleId": "maximize-content-reduce-noise", "principleCheckId": "reduced-chrome", "guidanceId": "defer-rendering-heavy-content", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-summary.json" ] }, { "id": "F08", "severity": "critical", "summary": "The mobile experience overflows by 778px", "evidence": "Layout at a 360px viewport reports scrollWidth 1138px, clientWidth 360px, and horizontalOverflowPx 778 on both home and article.", "suggestedFix": "Remove fixed desktop widths and constrain every overlay and content component to the visual viewport.", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "css-layout", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "large", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-mobile-layout.json" ] }, { "id": "F09", "severity": "high", "summary": "Core components do not adapt to the available inline size", "evidence": "The consent panel is clipped almost completely at 360px and the layout retains a 1138px CSS width.", "suggestedFix": "Use container/media queries, minmax(), and max-inline-size:100% for cards, article columns, and overlays.", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-mobile.png" ] }, { "id": "F10", "severity": "high", "summary": "Keyboard focus is visually suppressed", "evidence": "The focus probe reports outline-style none for all 30 sampled visible interactive elements.", "suggestedFix": "Add a high-contrast :focus-visible indicator without removing native outlines.", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-probe.json" ] }, { "id": "F11", "severity": "high", "summary": "The primary reading journey is blocked by a broken mobile consent step", "evidence": "At 360px only the right edge of the consent surface is visible, leaving its choice buttons off-screen.", "suggestedFix": "Make both consent choices reachable at all supported viewports and test the full decline/continue journey.", "principleId": "support-core-task-success", "principleCheckId": "primary-flow-completion", "guidanceId": "forms", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-mobile.png" ] }, { "id": "F12", "severity": "critical", "summary": "Loading performance is far outside good thresholds", "evidence": "Mobile Lighthouse reports performance 0.37, FCP 6.3s, LCP 18.1s, TBT 770ms, and Speed Index 18.4s.", "suggestedFix": "Prioritize the LCP resource, reduce server latency, and delay ad/analytics work until after useful content.", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "large", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/lighthouse-summary.json" ] }, { "id": "F13", "severity": "high", "summary": "Third-party JavaScript keeps the main thread busy", "evidence": "Lighthouse reports 6.9s main-thread work, 4.4s JavaScript execution, and 770ms TBT; the HAR contains 63 scripts.", "suggestedFix": "Remove or defer low-value tags, split long tasks, and schedule non-urgent work after interaction readiness.", "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://trilltrill.jp/", "artifacts": [ "evidence/lighthouse-summary.json" ] }, { "id": "F14", "severity": "high", "summary": "The page transfers a large, mostly third-party payload", "evidence": "HAR records 3.08MB in one capture; Lighthouse records 4,886KiB and 1,482KiB potential cache-lifetime savings.", "suggestedFix": "Set explicit resource priorities and caching, compress assets, and defer non-critical third parties.", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-preload-priority", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-summary.json" ] }, { "id": "F15", "severity": "high", "summary": "Large amounts of shipped CSS and JavaScript are unused", "evidence": "Lighthouse estimates 1,311KiB unused JavaScript and 62KiB unused CSS.", "suggestedFix": "Inventory bundles and tags, remove duplicate/unused code, and load route-specific code on demand.", "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://trilltrill.jp/", "artifacts": [ "evidence/lighthouse-summary.json" ] }, { "id": "F16", "severity": "high", "summary": "Interactive controls lack accessible names", "evidence": "axe finds an unnamed search button and five unnamed pagination/social links.", "suggestedFix": "Give every icon-only control a visible or programmatic accessible name.", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/axe.json" ] }, { "id": "F17", "severity": "high", "summary": "Secondary text fails minimum contrast", "evidence": "axe reports 78 serious contrast failures, concentrated in bylines and publication dates.", "suggestedFix": "Use AA-compliant semantic color tokens and test all states.", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/axe.json" ] }, { "id": "F18", "severity": "high", "summary": "Heading, landmark, and focus structure is unreliable", "evidence": "axe reports incorrect heading order and a nested complementary landmark; the probe also shows no visible outlines.", "suggestedFix": "Repair heading hierarchy and landmark placement, then implement visible focus and modal focus management.", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/axe.json" ] }, { "id": "F19", "severity": "critical", "summary": "Zoom and mobile reflow are restricted or broken", "evidence": "Lighthouse flags a restrictive viewport and undersized touch targets; raw mobile layout overflows 778px.", "suggestedFix": "Permit user zoom, reflow to 320 CSS px, and size touch targets to at least 44px with spacing.", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "large", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/lighthouse-summary.json" ] }, { "id": "F20", "severity": "medium", "summary": "The page logs browser errors", "evidence": "Lighthouse fails the console-errors audit.", "suggestedFix": "Resolve runtime and network errors and monitor regressions in production.", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/lighthouse-summary.json" ] }, { "id": "F21", "severity": "medium", "summary": "Image sizing and delivery metadata are incomplete", "evidence": "The article image audit finds 16 images without dimensions, 10 without srcset, and eight below-fold images not lazy-loaded.", "suggestedFix": "Add intrinsic dimensions, responsive sources, and native lazy loading below the fold.", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "optimize-image-priority", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "article", "url": "https://trilltrill.jp/articles/4881896", "artifacts": [ "evidence/article-images.json" ] }, { "id": "F22", "severity": "medium", "summary": "Deprecated APIs and browser issues remain", "evidence": "Lighthouse reports a deprecated API warning and DevTools Issues failures.", "suggestedFix": "Replace deprecated APIs and clear browser issue-panel warnings.", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/lighthouse-summary.json" ] }, { "id": "F23", "severity": "high", "summary": "Crawler-visible content is sparse and mobile rendering is broken", "evidence": "Raw-HTML coverage is 32% on home and 29% on article; mobile layout overflows 778px.", "suggestedFix": "Server-render primary listing/article text and fix responsive layout without hiding content behind client work.", "principleId": "be-discoverable", "principleCheckId": "crawlable-and-mobile-friendly", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-discoverability.json" ] }, { "id": "F24", "severity": "medium", "summary": "No structured data describes the publication content", "evidence": "The DOM probe finds zero application/ld+json blocks on the homepage.", "suggestedFix": "Add valid Organization/WebSite and Article JSON-LD with canonical, image, author, and dates.", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-probe.json" ] }, { "id": "F25", "severity": "high", "summary": "Security headers and cookie transport controls are incomplete", "evidence": "HTTPS is used, but CSP and HSTS are missing; 16 of 20 observed cookies lack Secure, including the Rails session cookie.", "suggestedFix": "Deploy HSTS and a nonce/hash CSP, and mark every HTTPS cookie Secure with appropriate SameSite and HttpOnly.", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/headers.json" ] }, { "id": "F26", "severity": "critical", "summary": "Tracking starts with an extreme third-party footprint", "evidence": "Tracker capture sees 68 third-party origins and 13 known tracker domains; HAR attributes 140 of 145 requests and 3.04MB to third parties.", "suggestedFix": "Default to data minimisation: block non-essential tags before consent and remove vendors without clear user value.", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "large", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/trackers.json" ] }, { "id": "F27", "severity": "medium", "summary": "Defensive browser policies are incomplete", "evidence": "CSP and Permissions-Policy are absent, although nosniff, SAMEORIGIN, and strict-origin referrer policy are present.", "suggestedFix": "Add a restrictive CSP and least-privilege Permissions-Policy, retaining existing defensive headers.", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/headers.json" ] }, { "id": "F28", "severity": "medium", "summary": "Runtime errors reduce resilience", "evidence": "Lighthouse reports console errors and deprecated API use on the primary path.", "suggestedFix": "Handle third-party failures defensively and remove deprecated/runtime-erroring code.", "principleId": "be-resilient", "principleCheckId": "resilient-runtime-behaviour", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/lighthouse-summary.json" ] }, { "id": "F29", "severity": "high", "summary": "Non-essential tracking occurs while consent is still being requested", "evidence": "The initial screenshot shows the consent request, while the same fresh-load tracker capture already records 68 third-party origins and known ad/analytics trackers.", "suggestedFix": "Do not initialize non-essential vendors until an affirmative choice; make reject and accept equally clear.", "principleId": "be-trustworthy", "principleCheckId": "no-dark-patterns", "guidanceId": "privacy", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/trackers.json" ] }, { "id": "F30", "severity": "high", "summary": "Assets are not delivered efficiently", "evidence": "Lighthouse reports a 4,886KiB page and 288KiB image-delivery savings; article images lack dimensions and srcset.", "suggestedFix": "Resize and responsively encode images, set dimensions, and remove unused payload.", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "article", "url": "https://trilltrill.jp/articles/4881896", "artifacts": [ "evidence/article-images.json" ] }, { "id": "F31", "severity": "high", "summary": "Unused code and tag execution waste CPU and energy", "evidence": "Lighthouse estimates 1,311KiB unused JS, 6.9s main-thread work, and 4.4s JS execution.", "suggestedFix": "Eliminate unused code and batch/deprioritize non-visible analytics and ad work.", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "efficient-background-processing", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/lighthouse-summary.json" ] }, { "id": "F32", "severity": "high", "summary": "There is no effective third-party performance budget", "evidence": "HAR shows 140 third-party requests and 3.04MB third-party transfer on initial load.", "suggestedFix": "Set enforceable request/byte/CPU budgets and load vendors only after consent and idle.", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/home-summary.json" ] }, { "id": "F33", "severity": "medium", "summary": "Public content lacks machine-readable structure and has low no-JS coverage", "evidence": "The public article has only 29% raw/rendered content-word coverage and homepage has no JSON-LD.", "suggestedFix": "Expose robust server-rendered semantics and JSON-LD; consider explicit agent tools only for real user tasks.", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "article", "url": "https://trilltrill.jp/articles/4881896", "artifacts": [ "evidence/article-discoverability.json" ] }, { "id": "F34", "severity": "medium", "summary": "The initial page has a very large DOM/heap footprint", "evidence": "Baseline heap contains 896,651 nodes, 3,832,781 edges, and 47.6MB self size before extended interaction.", "suggestedFix": "Reduce embedded vendor DOM/iframes and defer offscreen widgets and recommendation trees.", "principleId": "be-memory-efficient", "principleCheckId": "bounded-footprint", "guidanceId": "defer-rendering-heavy-content", "guidanceCategory": "modern-web-guidance", "confidence": "high", "effort": "medium", "pathId": "home", "url": "https://trilltrill.jp/", "artifacts": [ "evidence/heap-baseline.json" ] } ], "taskList": [ { "id": "T01", "title": "Repair mobile reflow and the consent dialog", "priority": 1, "findingIds": [ "F08", "F09", "F06", "F11" ], "guidanceId": "size-aware-styling", "status": "open" }, { "id": "T02", "title": "Block and remove non-essential third parties before consent", "priority": 2, "findingIds": [ "F26", "F29", "F07", "F32" ], "guidanceId": "privacy", "status": "open" }, { "id": "T03", "title": "Cut the critical rendering path and LCP", "priority": 3, "findingIds": [ "F12", "F13", "F14", "F15" ], "guidanceId": "performance", "status": "open" }, { "id": "T04", "title": "Restore keyboard, zoom, names, and contrast", "priority": 4, "findingIds": [ "F10", "F16", "F17", "F18", "F19" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T05", "title": "Deploy HSTS, CSP, Permissions-Policy, and secure cookies", "priority": 5, "findingIds": [ "F25", "F27" ], "guidanceId": "security", "status": "open" }, { "id": "T06", "title": "Improve SSR coverage and add JSON-LD", "priority": 6, "findingIds": [ "F23", "F24", "F33" ], "guidanceId": "html", "status": "open" }, { "id": "T07", "title": "Optimize responsive images and remove unused payload", "priority": 7, "findingIds": [ "F21", "F30", "F31", "F34" ], "guidanceId": "optimize-image-priority", "status": "open" } ], "budget": { "wallClockSeconds": 900, "pathCount": 3, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-22T20-57-22-895Z" }