{ "url": "https://m.daum.net", "auditedAt": "2026-07-21T16:47:58.052Z", "mode": "report", "status": "completed", "statusDetail": "Coverage-complete agentic audit across five representative paths/conditions. Dynamic content and ad inventory may vary by run.", "page": { "appType": "hybrid", "framework": "Mixed server HTML plus Svelte/dynamic modules", "notes": "Mobile Korean portal with search, long personalized/current-content feed, separate search/article templates, and a content-menu editor. Not covered: authenticated account pages, native Daum app, checkout/subscription (none in representative public flow), and destructive/personalized actions requiring credentials." }, "evidenceUsed": [ "screenshot", "dom+computed-styles", "layout-metrics", "evaluate-probes", "trace", "har", "discoverability/no-JS", "headers", "cookies", "trackers", "images", "secrets-with-context-review", "heap-summary-before/after", "lighthouse" ], "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", "declarative-button-actions" ], "artifacts": [ { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "Homepage at 390x844 with on-load app promotion.", "condition": "viewport: 390x844", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-light.png", "caption": "Homepage under light preference.", "condition": "prefers-color-scheme: light", "findingIds": [ "F05", "F06", "F32" ] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "Homepage under dark preference.", "condition": "prefers-color-scheme: dark", "findingIds": [ "F05", "F16", "F32" ] }, { "type": "screenshot", "path": "evidence/home-high-contrast.png", "caption": "Homepage under increased contrast preference.", "condition": "prefers-contrast: more", "findingIds": [ "F02" ] }, { "type": "screenshot", "path": "evidence/search-mobile.png", "caption": "Representative search results.", "condition": "viewport: 390x844", "findingIds": [] }, { "type": "screenshot", "path": "evidence/article-mobile.png", "caption": "Representative article clipped at mobile width.", "condition": "viewport: 390x844", "findingIds": [ "F07", "F18" ] }, { "type": "screenshot", "path": "evidence/settings-mobile.png", "caption": "Content-menu editor.", "condition": "viewport: 390x844", "findingIds": [] }, { "type": "screenshot", "path": "evidence/search-empty.png", "caption": "Low-relevance search edge state.", "condition": "viewport: 390x844", "findingIds": [] }, { "type": "layout", "path": "evidence/home-layout.json", "caption": "Homepage CLS, long-task, and overflow metrics.", "findingIds": [ "F04", "F10", "F11", "F37" ] }, { "type": "layout", "path": "evidence/article-layout.json", "caption": "Article 794 px horizontal-overflow evidence.", "findingIds": [ "F07", "F18", "F19" ] }, { "type": "layout", "path": "evidence/search-layout.json", "caption": "Search layout metrics.", "findingIds": [] }, { "type": "layout", "path": "evidence/settings-layout.json", "caption": "Settings layout metrics.", "findingIds": [] }, { "type": "trace", "path": "evidence/home-trace.json", "caption": "Raw DevTools trace.", "findingIds": [] }, { "type": "trace-summary", "path": "evidence/home-trace-summary.json", "caption": "Compact trace timings and long tasks.", "findingIds": [ "F10", "F12" ] }, { "type": "har", "path": "evidence/home.har", "caption": "Raw network archive.", "findingIds": [ "F13", "F35" ] }, { "type": "har-summary", "path": "evidence/home-summary.json", "caption": "Network totals, third parties, blockers, and offenders.", "findingIds": [ "F13", "F14", "F20", "F28", "F34", "F35", "F37" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-home.json", "caption": "Full Lighthouse report.", "findingIds": [] }, { "type": "other", "path": "evidence/lighthouse-summary.json", "caption": "Compact Lighthouse categories/metrics.", "findingIds": [ "F10", "F12", "F13", "F14", "F33", "F34" ] }, { "type": "other", "path": "evidence/lighthouse-failures.json", "caption": "Focused Lighthouse failure details.", "findingIds": [ "F02", "F09", "F11", "F15", "F16", "F17", "F19", "F20", "F21", "F22" ] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "Homepage DOM, CSS, and computed styles.", "findingIds": [ "F23", "F24", "F31" ] }, { "type": "other", "path": "evidence/home-probe.json", "caption": "Semantic, focus, feature, script, and metadata probe.", "findingIds": [ "F03", "F04", "F06", "F08", "F09", "F17", "F24", "F25", "F26", "F31" ] }, { "type": "other", "path": "evidence/article-probe.json", "caption": "Article metadata, structured data, focus, and width probe.", "findingIds": [ "F07", "F23", "F26" ] }, { "type": "other", "path": "evidence/reduced-motion.json", "caption": "Reduced-motion animation probe.", "findingIds": [ "F01" ] }, { "type": "other", "path": "evidence/images.json", "caption": "Image dimensions, loading, format, responsive-source, and alt audit.", "findingIds": [ "F11", "F15", "F21", "F33" ] }, { "type": "other", "path": "evidence/headers.json", "caption": "Security-header audit.", "findingIds": [ "F27", "F29" ] }, { "type": "other", "path": "evidence/cookies.json", "caption": "Cookie posture audit.", "findingIds": [ "F27" ] }, { "type": "other", "path": "evidence/trackers.json", "caption": "Third-party tracker inventory.", "findingIds": [ "F28", "F34" ] }, { "type": "other", "path": "evidence/secrets.json", "caption": "Redacted client-token scan.", "findingIds": [] }, { "type": "other", "path": "evidence/secrets-context.json", "caption": "Decoded, redacted token context showing short-lived media playback tokens rather than account credentials.", "findingIds": [] }, { "type": "discoverability", "path": "evidence/home-discoverability.json", "caption": "Raw HTML versus rendered content coverage.", "findingIds": [ "F30" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-crawler.png", "caption": "Crawler/no-JS view showing header but no feed.", "condition": "JavaScript disabled", "findingIds": [ "F30" ] }, { "type": "screenshot", "path": "evidence/home-discoverability-rendered.png", "caption": "Rendered counterpart for crawler comparison.", "condition": "JavaScript enabled", "findingIds": [ "F30" ] }, { "type": "heap", "path": "evidence/heap-baseline.json", "caption": "Baseline heap summary.", "findingIds": [ "F36", "F37" ] }, { "type": "heap", "path": "evidence/heap-post-tabs.json", "caption": "Heap summary after ten tab activations.", "findingIds": [ "F36" ] }, { "type": "other", "path": "evidence/robots-sitemap.json", "caption": "robots.txt and sitemap.xml response probe.", "findingIds": [ "F25" ] }, { "type": "other", "path": "evidence/pwa-permissions.json", "caption": "Service-worker registration and permission-on-load probe.", "findingIds": [] }, { "type": "other", "path": "evidence/settings-controls.json", "caption": "Settings control and aria-live probe.", "findingIds": [] }, { "type": "other", "path": "evidence/search-empty.json", "caption": "Search edge-state text and recovery links.", "findingIds": [] } ], "config": { "loaded": false }, "coverage": { "catalogVersion": "modern-web-guidance@0.0.172", "catalogChecksum": "sha256:78ccfdb2d483f4c57d9dafed80fd86c6265585a56457c8dcfddc254b80fb44d7", "expected": 58, "recorded": 58, "judged": 58, "blocked": 0, "notRun": 0, "missing": 0, "unknown": 0, "duplicates": 0, "complete": true }, "checkOutcomes": [ { "principleId": "respect-user-preferences", "checkId": "respects-color-scheme", "status": "pass", "confidence": "high", "method": "screenshot comparison", "evidence": "Light and dark captures show coordinated surface, text, icon, and illustration changes driven by prefers-color-scheme.", "artifacts": [ "evidence/home-light.png", "evidence/home-dark.png" ], "pathIds": [ "home" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The reduced-motion probe matched prefers-reduced-motion: reduce but found a 1,400 ms fade animation still running and no prefers-reduced-motion CSS rules.", "findingIds": [ "F01" ], "artifacts": [ "evidence/reduced-motion.json" ], "pathIds": [ "home" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Lighthouse measured repeated 14 px metadata at 4.36:1 and blue labels at 3.75:1 against #2c2e33; the high-contrast capture did not expose a distinct higher-contrast theme.", "findingIds": [ "F02" ], "artifacts": [ "evidence/home-high-contrast.png", "evidence/lighthouse-failures.json" ], "pathIds": [ "home" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The CSS/DOM probe found no view-transition usage while the homepage exposes many dynamic category tabs and separate settings/search routes.", "findingIds": [ "F03" ], "artifacts": [ "evidence/home-probe.json" ], "pathIds": [ "home" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "pass", "confidence": "high", "method": "DOM/CSS and interaction-pattern inspection", "evidence": "The inspected homepage uses native scroll-snap for horizontal carousels and the CSS probe found no scroll-timeline or scroll-linked animation surface requiring main-thread scroll handlers.", "artifacts": [ "evidence/home-probe.json" ], "pathIds": [ "home" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "high", "method": "CSS/DOM probe", "evidence": "Horizontal modules use CSS scroll-snap; the settings editor exposes keyboard-focusable move buttons rather than requiring pointer-only drag gestures.", "artifacts": [ "evidence/home-probe.json", "evidence/settings-controls.json" ], "pathIds": [ "home", "settings" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The homepage layout is 14,746 px tall, while CSS inspection found no scroll-state container behavior or progress affordance and the navigation is not retained in long scrolled states.", "findingIds": [ "F04" ], "artifacts": [ "evidence/home-layout.json", "evidence/home-probe.json" ], "pathIds": [ "home" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "not-applicable", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "No tooltip, anchored menu, or edge-positioned transient overlay was present in the representative paths; the observed interruption is a centered modal, not an anchored surface.", "reason": "No tooltip, anchored menu, or edge-positioned transient overlay was present in the representative paths; the observed interruption is a centered modal, not an anchored surface." }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "visual and DOM inspection", "evidence": "Selected homepage/search tabs have visible underline/color state, descriptive labels, and settings changes expose an aria-live region.", "artifacts": [ "evidence/home-mobile.png", "evidence/search-mobile.png", "evidence/settings-controls.json" ], "pathIds": [ "home", "search", "settings" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Both light and dark first-viewport screenshots show a large centered “다음 커뮤니티 오픈!” app promotion covering headlines and feed content.", "findingIds": [ "F05" ], "artifacts": [ "evidence/home-light.png", "evidence/home-dark.png" ], "pathIds": [ "home" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The screenshot shows a modal, but the DOM probe found zero dialog, popover, or role=dialog elements, so modal semantics and platform dismissal are absent.", "findingIds": [ "F06" ], "artifacts": [ "evidence/home-light.png", "evidence/home-probe.json" ], "pathIds": [ "home" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "multi-path screenshot review", "evidence": "Outside the identified acquisition modal, the portal uses edge-to-edge content sections and a compact header; article and search templates prioritize content rather than decorative application framing.", "artifacts": [ "evidence/search-mobile.png", "evidence/article-mobile.png", "evidence/settings-mobile.png" ], "pathIds": [ "search", "article", "settings" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Article layout reported inner/scroll width 1,184 px and 794 px horizontal overflow; the screenshot clips the headline and lead image far beyond the right edge.", "findingIds": [ "F07" ], "artifacts": [ "evidence/article-mobile.png", "evidence/article-layout.json", "evidence/article-probe.json" ], "pathIds": [ "article" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "medium", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "CSS inspection across the dense, reused homepage card/tab surface found no @container rules or container-type declarations.", "findingIds": [ "F08" ], "artifacts": [ "evidence/home-probe.json" ], "pathIds": [ "home" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The homepage viewport declares user-scalable=no and maximum-scale=1.0; Lighthouse also found overlapping/insufficient safe target space in the main tab strip.", "findingIds": [ "F09" ], "artifacts": [ "evidence/lighthouse-failures.json", "evidence/home-probe.json" ], "pathIds": [ "home" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "first-viewport screenshot and heading review", "evidence": "The first viewport clearly exposes Daum search and labeled content categories; the search-results page immediately identifies the query and result types.", "artifacts": [ "evidence/home-mobile.png", "evidence/search-mobile.png" ], "pathIds": [ "home", "search" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "high", "method": "representative journey and DOM review", "evidence": "The primary search journey completes from the homepage search model to a populated results template with filters and destination links; settings controls are keyboard-focusable.", "artifacts": [ "evidence/search-mobile.png", "evidence/settings-controls.json" ], "pathIds": [ "home", "search", "settings" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "edge-state evaluation", "evidence": "The low-relevance query still returns labeled, usable results and support links; explicit 404 documents are branded and explain that the page was not found rather than rendering a blank shell.", "artifacts": [ "evidence/search-empty.png", "evidence/search-empty.json", "evidence/robots-sitemap.json" ], "pathIds": [ "search-edge" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Mobile Lighthouse measured LCP 14.4 s, CLS 0.159, and TBT 240 ms (performance 0.46); the independent layout observer measured CLS 0.260.", "findingIds": [ "F10" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json", "evidence/home-layout.json" ], "pathIds": [ "home" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The layout observer recorded four shifts totaling CLS 0.260, including two roughly 0.09–0.10 shifts after 8.7 s; 94 of 100 images lacked both dimensions.", "findingIds": [ "F11" ], "artifacts": [ "evidence/home-layout.json", "evidence/images.json", "evidence/lighthouse-failures.json" ], "pathIds": [ "home" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The trace found two long tasks, longest 153 ms and 114 ms TBT; Lighthouse attributed 5.1 s to main-thread work and 1.5 s to script bootup.", "findingIds": [ "F12" ], "artifacts": [ "evidence/home-trace-summary.json", "evidence/lighthouse-summary.json" ], "pathIds": [ "home" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "HAR captured 195 requests and 3.07 MB; parser-inserted CSS and a synchronous head analytics script were high-priority candidates. Lighthouse estimated 1.23 s render-blocking savings and 1.76 MB cache savings.", "findingIds": [ "F13" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse-summary.json" ], "pathIds": [ "home" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Lighthouse estimated 698 KiB unused JavaScript, 80 KiB unused CSS, and 132 KiB legacy JavaScript; HAR shows 1.24 MB across 22 scripts.", "findingIds": [ "F14" ], "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-summary.json" ], "pathIds": [ "home" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Lighthouse found an unnamed Daum-logo link, ad iframes without titles, and tab roles without required tablist parents; the image audit reported 80 images without alt.", "findingIds": [ "F15" ], "artifacts": [ "evidence/lighthouse-failures.json", "evidence/images.json" ], "pathIds": [ "home" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Lighthouse identified repeated 14 px metadata at 4.36:1 and blue labels at 3.75:1, both below 4.5:1.", "findingIds": [ "F16" ], "artifacts": [ "evidence/lighthouse-failures.json", "evidence/home-dark.png" ], "pathIds": [ "home" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Lighthouse reported multiple role=tab links whose required role=tablist parent is missing. Native focus was visible, but incomplete relationships impair assistive navigation.", "findingIds": [ "F17" ], "artifacts": [ "evidence/lighthouse-failures.json", "evidence/home-probe.json" ], "pathIds": [ "home" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "At 390 px, the 1,184 px article canvas clips the headline, metadata, and image; users must pan horizontally.", "findingIds": [ "F18" ], "artifacts": [ "evidence/article-mobile.png", "evidence/article-layout.json" ], "pathIds": [ "article" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Lighthouse failed meta-viewport because user-scalable=no disables zoom; article layout has 794 px overflow at a 390 px visual viewport.", "findingIds": [ "F19" ], "artifacts": [ "evidence/lighthouse-failures.json", "evidence/article-layout.json" ], "pathIds": [ "home" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Lighthouse console evidence and HAR both recorded a 404 for noimg_224_150.gif.", "findingIds": [ "F20" ], "artifacts": [ "evidence/lighthouse-failures.json", "evidence/home-summary.json" ], "pathIds": [ "home" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Image audit found 94/100 images without both dimensions; Lighthouse showed thumbnails declared width=\"100%\" with a 0.57 displayed ratio versus 1.80 intrinsic ratio.", "findingIds": [ "F21" ], "artifacts": [ "evidence/images.json", "evidence/lighthouse-failures.json" ], "pathIds": [ "home" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Lighthouse found an unload listener, deprecated Topics API usage, BFCache blockers, broken/missing source maps, and inspector issues.", "findingIds": [ "F22" ], "artifacts": [ "evidence/lighthouse-failures.json" ], "pathIds": [ "home" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The article recon returned a descriptive title but an empty meta description, while the homepage had both.", "findingIds": [ "F23" ], "artifacts": [ "evidence/article-probe.json", "evidence/home-dom.json" ], "pathIds": [ "article" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Recon found app/search controls with href=\"javascript:;\" and category tabs with href=\"#none\"; these are neither semantic buttons nor crawlable destinations.", "findingIds": [ "F24" ], "artifacts": [ "evidence/home-dom.json", "evidence/home-probe.json" ], "pathIds": [ "home" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The homepage probe found no canonical URL; both /robots.txt and /sitemap.xml returned branded 404 documents.", "findingIds": [ "F25" ], "artifacts": [ "evidence/robots-sitemap.json", "evidence/home-probe.json" ], "pathIds": [ "home" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The homepage has four Open Graph tags but zero JSON-LD blocks; the article template does provide DiscussionForumPosting JSON-LD and rich OG tags.", "findingIds": [ "F26" ], "artifacts": [ "evidence/home-probe.json", "evidence/article-probe.json" ], "pathIds": [ "home" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Headers evidence shows no CSP or X-Content-Type-Options. Cookie evidence found four non-Secure cookies and all six with SameSite=None.", "findingIds": [ "F27" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "pathIds": [ "home" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Tracker capture found 20 third-party origins and known DoubleClick/Google ad trackers; HAR recorded 190 third-party requests and 2.66 MB attributed outside the exact m.daum.net origin.", "findingIds": [ "F28" ], "artifacts": [ "evidence/trackers.json", "evidence/home-summary.json" ], "pathIds": [ "home" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "pass", "confidence": "high", "method": "permission/network and journey inspection", "evidence": "No permission request was observed on load and the service-worker/permission probe found no permission-triggering resources. Authentication is an external optional journey, not required for homepage search/content use.", "artifacts": [ "evidence/pwa-permissions.json", "evidence/home-summary.json" ], "pathIds": [ "home" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The main response has HSTS and X-Frame-Options but lacks CSP, Referrer-Policy, Permissions-Policy, and X-Content-Type-Options.", "findingIds": [ "F29" ], "artifacts": [ "evidence/headers.json" ], "pathIds": [ "home" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Discoverability measured only 7% raw/rendered content overlap; the no-JS screenshot preserves header chrome but leaves the feed blank although raw HTML is 2.5 MB.", "findingIds": [ "F30" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/home-discoverability-crawler.png", "evidence/home-discoverability-rendered.png" ], "pathIds": [ "home" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "multi-path screenshots and controls probe", "evidence": "The acquisition modal remains within the mobile viewport with a visible close control; search, settings controls, and dynamic category surfaces rendered stable actionable states.", "artifacts": [ "evidence/home-mobile.png", "evidence/search-mobile.png", "evidence/settings-mobile.png", "evidence/settings-controls.json" ], "pathIds": [ "home", "search", "settings" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "not-applicable", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "This current-events/search portal depends on live, changing network data; no offline/installability intent is declared, so an offline PWA is not required for the audited public content task.", "reason": "This current-events/search portal depends on live, changing network data; no offline/installability intent is declared, so an offline PWA is not required for the audited public content task." }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "error and edge-state evaluation", "evidence": "The tested low-relevance search remained useful, and missing robots/sitemap endpoints returned a branded page-not-found document with explanatory text instead of a blank shell.", "artifacts": [ "evidence/search-empty.json", "evidence/robots-sitemap.json" ], "pathIds": [ "search-edge" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "issues", "confidence": "medium", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The DOM correctly declares lang=\"ko\", while CSS inspection found no logical inline/block properties across the representative homepage styles.", "findingIds": [ "F31" ], "artifacts": [ "evidence/home-probe.json", "evidence/home-dom.json" ], "pathIds": [ "home" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "pass", "confidence": "high", "method": "rendered multi-path content inspection", "evidence": "The Korean locale is declared and visible dates, temperatures, counts, and Korean date notation are consistently localized across homepage, search, and article templates.", "artifacts": [ "evidence/home-mobile.png", "evidence/search-mobile.png", "evidence/article-probe.json" ], "pathIds": [ "home", "search", "article" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "No scheduling, recurring-event, cross-time-zone, or user-entered date/time flow appears in the representative portal, search, article, or settings paths.", "reason": "No scheduling, recurring-event, cross-time-zone, or user-entered date/time flow appears in the representative portal, search, article, or settings paths." }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The promotion appears immediately above the portal content and makes the app CTA dominant; dismissal exists but the interruption precedes any expressed intent.", "findingIds": [ "F32" ], "artifacts": [ "evidence/home-light.png", "evidence/home-dark.png" ], "pathIds": [ "home" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "not-applicable", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The audited first-party form is unconstrained search with no invalid state; no checkout, signup, or required-field form exists on the representative paths.", "reason": "The audited first-party form is unconstrained search with no invalid state; no checkout, signup, or required-field form exists on the representative paths." }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "pass", "confidence": "high", "method": "form DOM and visual inspection", "evidence": "The primary field uses native input type=search and presents explicit clear/search controls; address, payment, and credential autocomplete tokens are not relevant to this search-only form.", "artifacts": [ "evidence/home-probe.json", "evidence/search-mobile.png" ], "pathIds": [ "home", "search" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "not-applicable", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "No checkout, subscription, consent, or first-party account-management flow is part of the audited public portal paths; optional login redirects to a separate account host.", "reason": "No checkout, subscription, consent, or first-party account-management flow is part of the audited public portal paths; optional login redirects to a separate account host." }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "Image audit found 79 below-fold images without lazy loading, 31 oversized images, 70 without srcset, and 27 legacy-format images; Lighthouse estimated 422 KiB image savings.", "findingIds": [ "F33" ], "artifacts": [ "evidence/images.json", "evidence/lighthouse-summary.json" ], "pathIds": [ "home" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The page performs 195 requests, including 20 ad API requests and 15 analytics-origin requests, while Lighthouse reports 5.1 s of main-thread work.", "findingIds": [ "F34" ], "artifacts": [ "evidence/home-summary.json", "evidence/trackers.json", "evidence/lighthouse-summary.json" ], "pathIds": [ "home" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "HAR totals 3.07 MB, with 2.66 MB and 190 requests classified outside the exact homepage origin; images and scripts each transfer about 1.25 MB.", "findingIds": [ "F35" ], "artifacts": [ "evidence/home-summary.json", "evidence/home.har" ], "pathIds": [ "home" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "not-applicable", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "No declared agent-facing intent or transaction capability was found; this emerging check is not imposed on the public news/search portal.", "reason": "No declared agent-facing intent or transaction capability was found; this emerging check is not imposed on the public news/search portal." }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "No experience in the representative paths calls for local language-model or summarization inference; absence is not a failure for this emerging contextual check.", "reason": "No experience in the representative paths calls for local language-model or summarization inference; absence is not a failure for this emerging contextual check." }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "issues", "confidence": "medium", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "After ten representative tab activations, heap self-size rose from 46.27 MB to 58.75 MB (+27%), objects from 55,184 to 88,938, and closures from 39,133 to 59,177. Separate fresh sessions and dynamic feed variance lower certainty, but the retained delta warrants investigation.", "findingIds": [ "F36" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post-tabs.json" ], "pathIds": [ "home" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "issues", "confidence": "medium", "method": "Evidence-backed check-specific judgement from the planned visual/CDP/objective probes.", "evidence": "The baseline heap summary contains 687,161 nodes and 46.27 MB self size before deliberate interaction; the page also renders a 14,746 px feed and ships 22 scripts.", "findingIds": [ "F37" ], "artifacts": [ "evidence/heap-baseline.json", "evidence/home-summary.json", "evidence/home-layout.json" ], "pathIds": [ "home" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "high", "method": "before/after heap-summary comparison", "evidence": "Neither heap summary surfaced Detached* constructors among the largest retained constructors; native node count fell after the repeated-tab run (201,961 to 183,726), providing no direct detached-DOM growth signal. Listener/timer retention was not asserted beyond this evidence.", "artifacts": [ "evidence/heap-baseline.json", "evidence/heap-post-tabs.json" ], "pathIds": [ "home" ] } ], "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", "F08", "F09" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "pass" }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F10", "F11", "F12", "F13", "F14" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F15", "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", "F25", "F26" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F27", "F28", "F29" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F30" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "issues", "findingIds": [ "F31" ] }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F32" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F33", "F34", "F35" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "not-applicable", "reason": "No declared agent-facing intent or transaction capability was found; this emerging check is not imposed on the public news/search portal. No experience in the representative paths calls for local language-model or summarization inference; absence is not a failure for this emerging contextual check." }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "issues", "findingIds": [ "F36", "F37" ] } ], "paths": [ { "id": "home", "description": "Mobile portal homepage: primary search, navigation, content feed, on-load overlays, preference adaptation, security, performance, and memory.", "url": "https://m.daum.net/", "conditions": [ "viewport: 390x844", "prefers-color-scheme: light/dark", "prefers-contrast: more", "prefers-reduced-motion: reduce", "keyboard focus", "JavaScript disabled" ], "result": "issues" }, { "id": "search", "description": "Search-results archetype and primary search journey, using a representative Daum query.", "url": "https://m.search.daum.net/search?w=tot&q=Daum", "conditions": [ "viewport: 390x844" ], "result": "issues" }, { "id": "article", "description": "Public detail/content archetype reached from the homepage feed; checked metadata, structured data, reading layout, and mobile reflow.", "url": "https://v.daum.net/v/FOtkdbztoQ", "conditions": [ "viewport: 390x844" ], "result": "issues" }, { "id": "settings", "description": "Interactive content-menu editor archetype; checked controls, keyboard exposure, live feedback, and compact layout.", "url": "https://m.daum.net/tabs/setting", "conditions": [ "viewport: 390x844", "keyboard controls" ], "result": "pass" }, { "id": "search-edge", "description": "Low-relevance search query plus error-document responses used to inspect system state and recovery.", "url": "https://m.search.daum.net/search?w=tot&q=zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz", "conditions": [ "viewport: 390x844" ], "result": "pass" } ], "findings": [ { "id": "F01", "severity": "medium", "confidence": "high", "summary": "Motion continues when reduced motion is requested.", "evidence": "The reduced-motion probe matched prefers-reduced-motion: reduce but found a 1,400 ms fade animation still running and no prefers-reduced-motion CSS rules.", "artifacts": [ "evidence/reduced-motion.json" ], "suggestedFix": "Add a prefers-reduced-motion: reduce override that removes non-essential rolling/fade animation and disables auto-advance.", "effort": "small", "principleId": "respect-user-preferences", "principleCheckId": "respects-reduced-motion", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F02", "severity": "medium", "confidence": "high", "summary": "Some dark-theme text remains below WCAG contrast minimums.", "evidence": "Lighthouse measured repeated 14 px metadata at 4.36:1 and blue labels at 3.75:1 against #2c2e33; the high-contrast capture did not expose a distinct higher-contrast theme.", "artifacts": [ "evidence/home-high-contrast.png", "evidence/lighthouse-failures.json" ], "suggestedFix": "Raise dark-theme token contrast to at least 4.5:1 and add prefers-contrast/forced-colors adaptations for essential UI.", "effort": "small", "principleId": "respect-user-preferences", "principleCheckId": "respects-contrast", "guidanceId": "adapt-scrollbar-to-contrast-preferences", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F03", "severity": "low", "confidence": "high", "summary": "Major state and route changes are abrupt.", "evidence": "The CSS/DOM probe found no view-transition usage while the homepage exposes many dynamic category tabs and separate settings/search routes.", "artifacts": [ "evidence/home-probe.json" ], "suggestedFix": "Progressively enhance category and route changes with same-document/cross-document View Transitions, with reduced-motion handling.", "effort": "medium", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "same-document-transitions", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F04", "severity": "low", "confidence": "high", "summary": "The 14,746 px feed has no scroll-state-aware orientation aid.", "evidence": "The homepage layout is 14,746 px tall, while CSS inspection found no scroll-state container behavior or progress affordance and the navigation is not retained in long scrolled states.", "artifacts": [ "evidence/home-layout.json", "evidence/home-probe.json" ], "suggestedFix": "Keep key section navigation available and add a lightweight scroll-state/progress affordance using CSS where supported.", "effort": "medium", "principleId": "provide-guided-navigation", "principleCheckId": "scroll-state-aware-chrome", "guidanceId": "shrinking-header-on-scroll", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F05", "severity": "high", "confidence": "high", "summary": "An app-promotion modal obscures the main content on arrival.", "evidence": "Both light and dark first-viewport screenshots show a large centered “다음 커뮤니티 오픈!” app promotion covering headlines and feed content.", "artifacts": [ "evidence/home-light.png", "evidence/home-dark.png" ], "suggestedFix": "Do not open the promotion before user intent; use a non-blocking inline placement or delayed, frequency-capped prompt with obvious dismiss.", "effort": "small", "principleId": "maximize-content-reduce-noise", "principleCheckId": "no-intrusive-interruptions", "guidanceId": "light-dismiss-a-dialog", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F06", "severity": "medium", "confidence": "high", "summary": "The on-load modal is not exposed through a semantic top-layer primitive.", "evidence": "The screenshot shows a modal, but the DOM probe found zero dialog, popover, or role=dialog elements, so modal semantics and platform dismissal are absent.", "artifacts": [ "evidence/home-light.png", "evidence/home-probe.json" ], "suggestedFix": "Use for the modal flow, invoke showModal(), label it, manage initial focus, and support Escape/platform close.", "effort": "medium", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "declarative-dialog-popover-control", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F07", "severity": "high", "confidence": "high", "summary": "The representative article template renders as a desktop-width page on a 390 px phone.", "evidence": "Article layout reported inner/scroll width 1,184 px and 794 px horizontal overflow; the screenshot clips the headline and lead image far beyond the right edge.", "artifacts": [ "evidence/article-mobile.png", "evidence/article-layout.json", "evidence/article-probe.json" ], "suggestedFix": "Remove the desktop minimum width, keep width=device-width effective, and use fluid/intrinsic sizing so the article reflows at 320–390 px.", "effort": "medium", "principleId": "adapt-to-the-form-factor", "principleCheckId": "responsive-no-horizontal-scroll", "guidanceId": "css-layout", "guidanceCategory": "modern-web-guidance", "pathId": "article", "url": "https://v.daum.net/v/FOtkdbztoQ" }, { "id": "F08", "severity": "low", "confidence": "medium", "summary": "Reusable feed components depend on global layout rather than container-aware adaptation.", "evidence": "CSS inspection across the dense, reused homepage card/tab surface found no @container rules or container-type declarations.", "artifacts": [ "evidence/home-probe.json" ], "suggestedFix": "Introduce container queries for cards, tab strips, and embedded modules that appear at multiple widths; keep viewport queries as fallback.", "effort": "medium", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F09", "severity": "high", "confidence": "high", "summary": "Zoom and several touch interactions are constrained.", "evidence": "The homepage viewport declares user-scalable=no and maximum-scale=1.0; Lighthouse also found overlapping/insufficient safe target space in the main tab strip.", "artifacts": [ "evidence/lighthouse-failures.json", "evidence/home-probe.json" ], "suggestedFix": "Allow pinch zoom, remove maximum-scale/user-scalable restrictions, and provide at least 24x24 CSS px target size and spacing.", "effort": "small", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F10", "severity": "critical", "confidence": "high", "summary": "The homepage misses the Core Web Vitals loading and stability bars.", "evidence": "Mobile Lighthouse measured LCP 14.4 s, CLS 0.159, and TBT 240 ms (performance 0.46); the independent layout observer measured CLS 0.260.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-trace-summary.json", "evidence/home-layout.json" ], "suggestedFix": "Profile the LCP dependency chain, prioritize the actual LCP resource, reserve dynamic regions, and defer non-critical feed/ad work.", "effort": "large", "principleId": "be-fast-and-stable", "principleCheckId": "good-core-web-vitals", "guidanceId": "performance", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F11", "severity": "high", "confidence": "high", "summary": "Late content causes substantial layout movement.", "evidence": "The layout observer recorded four shifts totaling CLS 0.260, including two roughly 0.09–0.10 shifts after 8.7 s; 94 of 100 images lacked both dimensions.", "artifacts": [ "evidence/home-layout.json", "evidence/images.json", "evidence/lighthouse-failures.json" ], "suggestedFix": "Reserve exact aspect-ratio space for images, ads, and asynchronous feed modules before content arrives.", "effort": "medium", "principleId": "be-fast-and-stable", "principleCheckId": "visual-stability", "guidanceId": "visually-stable-font-fallbacks", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F12", "severity": "medium", "confidence": "high", "summary": "Main-thread work delays interactivity.", "evidence": "The trace found two long tasks, longest 153 ms and 114 ms TBT; Lighthouse attributed 5.1 s to main-thread work and 1.5 s to script bootup.", "artifacts": [ "evidence/home-trace-summary.json", "evidence/lighthouse-summary.json" ], "suggestedFix": "Break long tasks, schedule non-essential work by priority, and delay ad/feed initialization until after the critical experience.", "effort": "large", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-main-thread", "guidanceId": "break-up-long-tasks", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F13", "severity": "high", "confidence": "high", "summary": "The critical delivery chain is large and render-blocking.", "evidence": "HAR captured 195 requests and 3.07 MB; parser-inserted CSS and a synchronous head analytics script were high-priority candidates. Lighthouse estimated 1.23 s render-blocking savings and 1.76 MB cache savings.", "artifacts": [ "evidence/home-summary.json", "evidence/home.har", "evidence/lighthouse-summary.json" ], "suggestedFix": "Inline only critical CSS, defer non-critical styles/scripts, remove synchronous analytics from the head, and set effective cache headers.", "effort": "large", "principleId": "be-fast-and-stable", "principleCheckId": "efficient-resource-delivery", "guidanceId": "optimize-image-priority", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F14", "severity": "high", "confidence": "high", "summary": "The page ships substantial unused and legacy code.", "evidence": "Lighthouse estimated 698 KiB unused JavaScript, 80 KiB unused CSS, and 132 KiB legacy JavaScript; HAR shows 1.24 MB across 22 scripts.", "artifacts": [ "evidence/lighthouse-summary.json", "evidence/home-summary.json" ], "suggestedFix": "Use route/component-level code splitting, conditionally load feed/ad features, and stop serving unnecessary legacy bundles to modern browsers.", "effort": "large", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F15", "severity": "high", "confidence": "high", "summary": "Several controls and embedded frames lack complete accessible semantics.", "evidence": "Lighthouse found an unnamed Daum-logo link, ad iframes without titles, and tab roles without required tablist parents; the image audit reported 80 images without alt.", "artifacts": [ "evidence/lighthouse-failures.json", "evidence/images.json" ], "suggestedFix": "Name icon links, title or hide decorative frames, implement complete tablist/tab/tabpanel relationships, and give meaningful images accurate alt text.", "effort": "medium", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F16", "severity": "medium", "confidence": "high", "summary": "Text contrast fails in dark mode.", "evidence": "Lighthouse identified repeated 14 px metadata at 4.36:1 and blue labels at 3.75:1, both below 4.5:1.", "artifacts": [ "evidence/lighthouse-failures.json", "evidence/home-dark.png" ], "suggestedFix": "Adjust dark-theme color tokens and verify all foreground/background combinations with automated and visual checks.", "effort": "small", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F17", "severity": "medium", "confidence": "high", "summary": "ARIA tab structure is incomplete.", "evidence": "Lighthouse reported multiple role=tab links whose required role=tablist parent is missing. Native focus was visible, but incomplete relationships impair assistive navigation.", "artifacts": [ "evidence/lighthouse-failures.json", "evidence/home-probe.json" ], "suggestedFix": "Use a conforming tab pattern with tablist, tab, aria-controls, tabpanel, roving tabindex, and keyboard arrow behavior.", "effort": "medium", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F18", "severity": "high", "confidence": "high", "summary": "The article cannot be read comfortably at the audited phone width.", "evidence": "At 390 px, the 1,184 px article canvas clips the headline, metadata, and image; users must pan horizontally.", "artifacts": [ "evidence/article-mobile.png", "evidence/article-layout.json" ], "suggestedFix": "Make article typography and media fluid, cap line length, and test reflow at 320 CSS px and 400% zoom.", "effort": "medium", "principleId": "be-inclusive", "principleCheckId": "legible-text", "guidanceId": "improve-text-layout-and-legibility", "guidanceCategory": "modern-web-guidance", "pathId": "article", "url": "https://v.daum.net/v/FOtkdbztoQ" }, { "id": "F19", "severity": "high", "confidence": "high", "summary": "The homepage prevents zoom and the article fails mobile reflow.", "evidence": "Lighthouse failed meta-viewport because user-scalable=no disables zoom; article layout has 794 px overflow at a 390 px visual viewport.", "artifacts": [ "evidence/lighthouse-failures.json", "evidence/article-layout.json" ], "suggestedFix": "Permit user scaling and ensure all templates reflow without two-dimensional scrolling at narrow/zoomed conditions.", "effort": "medium", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "fluid-scaling", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F20", "severity": "low", "confidence": "high", "summary": "A shipped fallback image returns 404.", "evidence": "Lighthouse console evidence and HAR both recorded a 404 for noimg_224_150.gif.", "artifacts": [ "evidence/lighthouse-failures.json", "evidence/home-summary.json" ], "suggestedFix": "Publish the fallback asset or update/remove the stale URL, then ensure expected network failures are handled without console noise.", "effort": "trivial", "principleId": "follow-best-practices", "principleCheckId": "no-console-errors", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F21", "severity": "medium", "confidence": "high", "summary": "Image markup is frequently unsized and sometimes uses incorrect aspect ratios.", "evidence": "Image audit found 94/100 images without both dimensions; Lighthouse showed thumbnails declared width=\"100%\" with a 0.57 displayed ratio versus 1.80 intrinsic ratio.", "artifacts": [ "evidence/images.json", "evidence/lighthouse-failures.json" ], "suggestedFix": "Provide numeric width/height attributes that match source aspect ratio and use CSS width:100%;height:auto plus aspect-ratio where appropriate.", "effort": "medium", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F22", "severity": "medium", "confidence": "high", "summary": "Deprecated APIs and platform hygiene issues remain.", "evidence": "Lighthouse found an unload listener, deprecated Topics API usage, BFCache blockers, broken/missing source maps, and inspector issues.", "artifacts": [ "evidence/lighthouse-failures.json" ], "suggestedFix": "Replace unload with pagehide/visibility handling, remove deprecated Topics calls, restore source maps, and make BFCache-compatible lifecycle choices.", "effort": "medium", "principleId": "follow-best-practices", "principleCheckId": "browser-platform-hygiene", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "pathId": "home", "url": "https://m.daum.net/" }, { "id": "F23", "severity": "medium", "confidence": "high", "summary": "The article has no meta description.", "evidence": "The article recon returned a descriptive title but an empty meta description, while the homepage had both.", "artifacts": [ "evidence/article-probe.json", "evidence/home-dom.json" ], "suggestedFix": "Generate a concise, content-specific description for every article/detail page.", "effort": "small", "principleId": "be-discoverable", "principleCheckId": "title-and-description", "guidanceId": "html", "guidanceCategory": "modern-web-guidance", "pathId": "article", "url": "https://v.daum.net/v/FOtkdbztoQ" }, { "id": "F24", "severity": "medium", "confidence": "high", "summary": "Many navigation controls are implemented as non-crawlable links.", "evidence": "Recon found app/search controls with href=\"javascript:;\" and category tabs with href=\"#none\"; these are neither semantic buttons nor crawlable destinations.", "artifacts": [ "evidence/home-dom.json", "evidence/home-probe.json" ], "suggestedFix": "Use