{ "url": "https://www.calculator.net", "auditedAt": "2026-07-18T07:55:54.018Z", "mode": "report", "status": "completed", "statusDetail": "Coverage-complete audit of eight representative public paths. Not covered: every one of roughly 200 calculators, authenticated account states, account creation/recovery completion, ad click-throughs, and real payment/subscription flows; sampled pages represent the shared homepage, listing, calculator/article, account, locale-data and HTTP-error templates.", "page": { "appType": "mpa", "framework": "server-rendered PHP/vanilla JavaScript", "notes": "Server-rendered calculator/reference MPA with shared CSS, inline handlers, a web manifest and Google advertising. Core content is available without JavaScript." }, "evidenceUsed": [ "screenshot", "dom", "layout-metrics", "evaluate-probe", "discoverability", "trace", "har", "headers", "cookies", "trackers", "secrets", "images", "heap-summary", "Lighthouse", "axe-core", "raw HTTP/robots/sitemap/manifest" ], "guidanceConsulted": [ "accessibility", "accessible-error-announcement", "language-detection", "language-model", "summarizer", "translator", "css", "highlight-text-ranges", "css-layout", "animated-select-picker", "autofill-address-form", "autofill-highlight-inputs", "autofill-payment-form", "autofill-sign-in-form", "autofill-sign-up-form", "brand-consistent-forms", "branded-select-styling", "custom-select-picker-layouts", "form-fields-automatically-fit-contents", "forms", "required-field-feedback", "rich-media-picker", "select-menu-interaction", "validate-input-after-interaction", "html", "passkey-authentication", "passkey-conditional-create", "passkey-management", "passkey-reauthentication", "passkey-registration", "passkeys", "batch-analytics-events", "break-up-long-tasks", "calculate-total-foreground-time", "conditional-async-dependencies", "defer-rendering-heavy-content", "defer-work-until-scroll-ends", "deprioritize-background-fetches", "detect-initial-visibility-state", "efficient-background-processing", "faster-spa-view-transitions", "full-session-analytics", "identify-heavy-scripts", "identify-inp-causes", "improve-next-page-load-performance", "interactions-in-complex-layouts", "optimize-image-priority", "optimize-preload-priority", "optimize-script-priority", "performance", "resolution-optimized-pseudo-elements", "schedule-tasks-by-priority", "sequence-distributed-events", "privacy", "security", "adapt-scrollbar-to-contrast-preferences", "anchor-positioning-tab-underline", "animate-element-entry-exit", "animate-to-from-top-layer", "animate-to-intrinsic-sizes", "apply-webgl-shaders", "calculate-event-differentials", "calculate-with-intrinsic-sizes", "capture-location-agnostic-data", "carousel-slide-effects", "carousel-snap-highlights", "child-state-based-styling", "complex-shapes", "component-specific-light-dark-theme", "consistent-cross-document-transitions", "content-based-styling", "coordinate-global-events", "cross-document-transitions", "customize-scrollbar-color-and-thickness", "dark-mode", "declarative-button-actions", "declarative-dialog-popover-control", "deliver-optimized-decorative-images", "design-token-reactivity", "directional-navigation-transitions", "dynamic-sibling-animations", "dynamic-sibling-styling", "export-html-media-from-canvas", "expose-canvas-content-to-browser-features", "flicker-free-client-side-ab-testing", "fluid-scaling", "format-human-readable-durations", "group-element-transitions", "improve-text-layout-and-legibility", "individual-transform-properties", "interactive-content-in-3d-scenes", "interactive-content-reveal", "interest-triggered-action-previews", "interest-triggered-tooltips", "light-dismiss-a-dialog", "manage-recurring-intervals", "model-partial-time-concepts", "move-dom-element-without-losing-state", "navigation-drawer", "overflow-clipping-control", "parallax-scroll-effects", "persistent-app-tours", "persistent-toast-notifications", "persistent-top-layer-ui", "physics-based-easing", "platform-controls-dismiss-dialog", "position-aware-tooltips", "precise-text-alignment", "prevent-text-wrapping", "pull-to-reveal", "reduce-style-repetition", "resilient-context-menus-and-nested-dropdowns", "same-document-transitions", "scroll-entry-exit-effects", "scroll-position-aware-elements", "scroll-progress-indicator", "scroll-snap-realtime-feedback", "scroll-snap-state-sync", "scroll-target-on-load", "scrollability-affordance-hints", "scrollytelling", "search-hidden-content", "shaped-cutouts", "shrinking-header-on-scroll", "size-aware-styling", "soft-edge-content-fade", "stabilize-reactive-state", "stack-drill-down", "style-parent-with-has", "support-global-calendar-systems", "swipe-to-remove", "visually-stable-font-fallbacks", "visually-stable-mixed-fonts", "visually-texture-content", "agentic-forms", "agentic-javascript-tools", "webmcp" ], "artifacts": [ { "type": "other", "path": "evidence/404-headers.txt", "caption": "404 headers", "findingIds": [] }, { "type": "other", "path": "evidence/404.html", "caption": "404", "findingIds": [] }, { "type": "other", "path": "evidence/axe-bmi.json", "caption": "axe bmi", "findingIds": [ "F08", "F09", "F10", "F22" ] }, { "type": "other", "path": "evidence/axe-home.json", "caption": "axe home", "findingIds": [ "F04", "F08" ] }, { "type": "dom", "path": "evidence/bmi-dom.json", "caption": "bmi dom", "findingIds": [ "F05", "F12", "F14" ] }, { "type": "screenshot", "path": "evidence/bmi-forced-colors.png", "caption": "bmi forced colors", "condition": "forced-colors: active", "findingIds": [] }, { "type": "other", "path": "evidence/bmi-images.json", "caption": "bmi images", "findingIds": [ "F12", "F25" ] }, { "type": "screenshot", "path": "evidence/bmi-invalid.png", "caption": "bmi invalid", "findingIds": [] }, { "type": "layout", "path": "evidence/bmi-mobile-layout.json", "caption": "bmi mobile layout", "condition": "viewport: 360x800", "findingIds": [ "F11" ] }, { "type": "screenshot", "path": "evidence/bmi-mobile.png", "caption": "bmi mobile", "condition": "viewport: 360x800", "findingIds": [ "F06", "F09" ] }, { "type": "other", "path": "evidence/bmi-probe.json", "caption": "bmi probe", "findingIds": [ "F03", "F04", "F06", "F14", "F20", "F28" ] }, { "type": "other", "path": "evidence/bmi-validation-probe.json", "caption": "bmi validation probe", "findingIds": [ "F22" ] }, { "type": "other", "path": "evidence/cookies.json", "caption": "cookies", "findingIds": [ "F15", "F24" ] }, { "type": "other", "path": "evidence/currency-locale-probe.json", "caption": "currency locale probe", "findingIds": [ "F21" ] }, { "type": "other", "path": "evidence/date-locale-probe.json", "caption": "date locale probe", "findingIds": [ "F21" ] }, { "type": "dom", "path": "evidence/financial-dom.json", "caption": "financial dom", "findingIds": [] }, { "type": "other", "path": "evidence/guidance-list.json", "caption": "guidance list", "findingIds": [] }, { "type": "other", "path": "evidence/guides-0.md", "caption": "guides 0", "findingIds": [] }, { "type": "other", "path": "evidence/guides-1.md", "caption": "guides 1", "findingIds": [] }, { "type": "other", "path": "evidence/guides-2.md", "caption": "guides 2", "findingIds": [] }, { "type": "other", "path": "evidence/guides-3.md", "caption": "guides 3", "findingIds": [] }, { "type": "other", "path": "evidence/guides-4.md", "caption": "guides 4", "findingIds": [] }, { "type": "other", "path": "evidence/guides-5.md", "caption": "guides 5", "findingIds": [] }, { "type": "other", "path": "evidence/guides-6.md", "caption": "guides 6", "findingIds": [] }, { "type": "other", "path": "evidence/headers.json", "caption": "headers", "findingIds": [ "F15", "F18" ] }, { "type": "heap", "path": "evidence/heap-home-baseline.json", "caption": "heap home baseline", "findingIds": [] }, { "type": "heap", "path": "evidence/heap-home-post.json", "caption": "heap home post", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-dark.png", "caption": "home dark", "condition": "prefers-color-scheme: dark", "findingIds": [ "F01" ] }, { "type": "screenshot", "path": "evidence/home-desktop.png", "caption": "home desktop", "findingIds": [ "F01" ] }, { "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": [] }, { "type": "dom", "path": "evidence/home-dom.json", "caption": "home dom", "findingIds": [ "F01", "F02", "F04", "F05", "F20" ] }, { "type": "layout", "path": "evidence/home-mobile-layout.json", "caption": "home mobile layout", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "screenshot", "path": "evidence/home-mobile.png", "caption": "home mobile", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "other", "path": "evidence/home-recon.json", "caption": "home recon", "findingIds": [] }, { "type": "other", "path": "evidence/lighthouse-bmi-summary.json", "caption": "lighthouse bmi summary", "findingIds": [ "F06", "F08", "F09", "F10", "F11", "F12", "F28" ] }, { "type": "lighthouse", "path": "evidence/lighthouse-bmi.json", "caption": "lighthouse bmi", "findingIds": [] }, { "type": "other", "path": "evidence/lighthouse-home-summary.json", "caption": "lighthouse home summary", "findingIds": [] }, { "type": "lighthouse", "path": "evidence/lighthouse-home.json", "caption": "lighthouse home", "findingIds": [] }, { "type": "other", "path": "evidence/manifest.json", "caption": "manifest", "findingIds": [ "F19" ] }, { "type": "screenshot", "path": "evidence/mortgage-discoverability-crawler.png", "caption": "mortgage discoverability crawler", "findingIds": [] }, { "type": "screenshot", "path": "evidence/mortgage-discoverability-rendered.png", "caption": "mortgage discoverability rendered", "findingIds": [] }, { "type": "discoverability", "path": "evidence/mortgage-discoverability.json", "caption": "mortgage discoverability", "findingIds": [] }, { "type": "dom", "path": "evidence/mortgage-dom.json", "caption": "mortgage dom", "findingIds": [ "F02", "F03" ] }, { "type": "layout", "path": "evidence/mortgage-mobile-layout.json", "caption": "mortgage mobile layout", "condition": "viewport: 360x800", "findingIds": [ "F11" ] }, { "type": "screenshot", "path": "evidence/mortgage-mobile.png", "caption": "mortgage mobile", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "other", "path": "evidence/mortgage-platform-probe.json", "caption": "mortgage platform probe", "findingIds": [ "F19" ] }, { "type": "har-summary", "path": "evidence/mortgage-summary.json", "caption": "mortgage summary", "findingIds": [ "F07", "F16", "F26", "F27" ] }, { "type": "trace-summary", "path": "evidence/mortgage-trace-summary.json", "caption": "mortgage trace summary", "findingIds": [] }, { "type": "trace", "path": "evidence/mortgage-trace.json", "caption": "mortgage trace", "findingIds": [] }, { "type": "har", "path": "evidence/mortgage.har", "caption": "mortgage", "findingIds": [ "F07", "F16", "F27" ] }, { "type": "other", "path": "evidence/reduced-motion-probe.json", "caption": "reduced motion probe", "findingIds": [] }, { "type": "other", "path": "evidence/robots-headers.txt", "caption": "robots headers", "findingIds": [] }, { "type": "other", "path": "evidence/robots.txt", "caption": "robots", "findingIds": [] }, { "type": "other", "path": "evidence/secrets.json", "caption": "secrets", "findingIds": [] }, { "type": "dom", "path": "evidence/signin-dom.json", "caption": "signin dom", "findingIds": [ "F13", "F17", "F23", "F24" ] }, { "type": "screenshot", "path": "evidence/signin-mobile.png", "caption": "signin mobile", "condition": "viewport: 360x800", "findingIds": [] }, { "type": "other", "path": "evidence/signin-probe.json", "caption": "signin probe", "findingIds": [ "F13", "F17", "F23", "F24" ] }, { "type": "other", "path": "evidence/sitemap-headers.txt", "caption": "sitemap headers", "findingIds": [] }, { "type": "other", "path": "evidence/sitemap.xml", "caption": "sitemap", "findingIds": [] }, { "type": "other", "path": "evidence/trackers.json", "caption": "trackers", "findingIds": [ "F16", "F26" ] } ], "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": "dark screenshot + computed media/CSS probe on home and calculator", "evidence": "The dark-condition screenshot is pixel-identical to the default capture (both 77,004-byte PNGs), and the DOM CSS fixes body and panels to white without color-scheme or prefers-color-scheme rules.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dark.png", "evidence/home-desktop.png", "evidence/home-dom.json" ], "findingIds": [ "F01" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-reduced-motion", "status": "pass", "confidence": "high", "method": "reduced-motion animation probe across representative paths", "evidence": "Reduced-motion probe matched reduce=true and found zero active animations or autoplay; there is no non-essential motion to suppress.", "pathIds": [ "home" ], "artifacts": [ "evidence/reduced-motion-probe.json" ] }, { "principleId": "respect-user-preferences", "checkId": "respects-contrast", "status": "pass", "confidence": "high", "method": "forced-colors screenshot/probe", "evidence": "Forced-colors screenshot kept text, controls, focus rings and chart labels visible at 360px.", "pathIds": [ "home" ], "artifacts": [ "evidence/bmi-forced-colors.png" ] }, { "principleId": "implement-natural-interactions", "checkId": "view-transitions", "status": "issues", "confidence": "medium", "method": "DOM/CSS feature usage + interaction observation", "evidence": "DOM/CSS inspection across the MPA templates found no @view-transition rule, view-transition-name, or pageswap/pagereveal handling.", "pathIds": [ "financial-listing" ], "artifacts": [ "evidence/home-dom.json", "evidence/mortgage-dom.json" ], "findingIds": [ "F02" ] }, { "principleId": "implement-natural-interactions", "checkId": "scroll-driven-animations", "status": "pass", "confidence": "high", "method": "DOM/CSS and scroll-listener probe", "evidence": "DOM/CSS inspection found no scroll-linked animation or custom scroll event animation to move onto the main thread.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ] }, { "principleId": "implement-natural-interactions", "checkId": "physical-gestures", "status": "pass", "confidence": "high", "method": "DOM/CSS/input handler inspection", "evidence": "Representative templates use native scrolling and ordinary links/forms; no custom pointermove/swipe implementation fights platform gestures.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "scroll-state-aware-chrome", "status": "pass", "confidence": "high", "method": "scroll screenshot and CSS inspection", "evidence": "No sticky or affixed chrome exists on sampled templates, so there is no scroll-state UI that can become stale.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json" ] }, { "principleId": "provide-guided-navigation", "checkId": "anchored-positioning", "status": "issues", "confidence": "high", "method": "overlay inventory and CSS inspection", "evidence": "Computed CSS defines #tt with position:absolute, while calculator help icons use custom click handlers; no anchor-name, position-anchor or position-try rules were found.", "pathIds": [ "mortgage" ], "artifacts": [ "evidence/mortgage-dom.json", "evidence/bmi-probe.json" ], "findingIds": [ "F03" ] }, { "principleId": "provide-guided-navigation", "checkId": "directs-attention", "status": "pass", "confidence": "high", "method": "navigation/scroll interaction observation", "evidence": "Breadcrumbs identify hierarchy, active category navigation is highlighted, and calculator results appear directly after the form with a contrasting Result heading.", "pathIds": [ "home" ], "artifacts": [ "evidence/mortgage-mobile.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "no-intrusive-interruptions", "status": "pass", "confidence": "high", "method": "load screenshots across paths", "evidence": "All load screenshots show core content immediately with no modal, consent wall or full-screen interstitial.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-desktop.png" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "semantic-dismissible-primitives", "status": "issues", "confidence": "high", "method": "DOM overlay/control inventory", "evidence": "The homepage calculator and Search use span[onclick], and the BMI save action is an img[onclick]. The probe counted two non-native click targets on BMI; these controls are absent from normal keyboard semantics.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json", "evidence/bmi-probe.json", "evidence/axe-home.json" ], "findingIds": [ "F04" ] }, { "principleId": "maximize-content-reduce-noise", "checkId": "reduced-chrome", "status": "pass", "confidence": "high", "method": "desktop/mobile screenshots and viewport proportion", "evidence": "At 360px, the calculator and result dominate the first viewport; header is 60px and navigation/sidebar chrome collapses.", "pathIds": [ "home" ], "artifacts": [ "evidence/mortgage-mobile.png" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "responsive-no-horizontal-scroll", "status": "pass", "confidence": "high", "method": "layout + screenshot at 360x800 across paths", "evidence": "Layout evidence on home, mortgage and BMI reported scrollWidth=clientWidth=360 and horizontalOverflowPx=0.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-mobile-layout.json", "evidence/mortgage-mobile-layout.json", "evidence/bmi-mobile-layout.json" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "component-level-responsiveness", "status": "issues", "confidence": "high", "method": "CSS inspection and component widths", "evidence": "CSS inspection found no @container/container-type usage; calculator, result and navigation components are sized with fixed widths and global max-width media queries.", "pathIds": [ "bmi" ], "artifacts": [ "evidence/home-dom.json", "evidence/bmi-dom.json" ], "findingIds": [ "F05" ] }, { "principleId": "adapt-to-the-form-factor", "checkId": "input-modality-aware", "status": "issues", "confidence": "high", "method": "target-size + focus probe", "evidence": "The BMI probe listed numerous 15-22px-high links; Lighthouse failed target-size for adjacent 17px chart links. Homepage calculator spans and Search are not keyboard controls.", "pathIds": [ "bmi" ], "artifacts": [ "evidence/bmi-probe.json", "evidence/lighthouse-bmi-summary.json", "evidence/bmi-mobile.png" ], "findingIds": [ "F06" ] }, { "principleId": "support-core-task-success", "checkId": "clear-purpose-and-primary-action", "status": "pass", "confidence": "high", "method": "first viewport screenshots and headings", "evidence": "Each sampled entry/detail page has a descriptive H1 and the calculator form plus Calculate action in the first viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/mortgage-mobile.png", "evidence/bmi-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "primary-flow-completion", "status": "pass", "confidence": "high", "method": "execute representative mortgage/BMI/calculator forms", "evidence": "Mortgage and BMI pages render default end-to-end calculations and results on load; changing values and calculating is a direct single-form flow.", "pathIds": [ "home" ], "artifacts": [ "evidence/mortgage-mobile.png", "evidence/bmi-mobile.png" ] }, { "principleId": "support-core-task-success", "checkId": "clear-system-state-and-recovery", "status": "pass", "confidence": "high", "method": "invalid submission and error-state probe", "evidence": "Results are visibly labelled, Clear is available, validation gives a concrete message, and the tested 404 offers search and calculator links.", "pathIds": [ "home" ], "artifacts": [ "evidence/bmi-validation-probe.json", "evidence/404.html" ] }, { "principleId": "be-fast-and-stable", "checkId": "good-core-web-vitals", "status": "pass", "confidence": "high", "method": "trace/layout/Lighthouse", "evidence": "Lighthouse scored performance 1.00 on home and BMI; BMI LCP 1.17s, TBT 0ms, CLS 0. Trace LCP was 0.92s with no long tasks.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-bmi-summary.json", "evidence/mortgage-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "visual-stability", "status": "pass", "confidence": "high", "method": "layout CLS + image dimensions", "evidence": "Three layout captures reported CLS 0; all four BMI images have explicit dimensions.", "pathIds": [ "home" ], "artifacts": [ "evidence/bmi-mobile-layout.json", "evidence/bmi-images.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-main-thread", "status": "pass", "confidence": "high", "method": "trace/layout long tasks", "evidence": "Trace recorded zero long tasks and 0ms total blocking time; Lighthouse TBT was 0ms.", "pathIds": [ "home" ], "artifacts": [ "evidence/mortgage-trace-summary.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "efficient-resource-delivery", "status": "pass", "confidence": "high", "method": "HAR summary + DOM resource attributes", "evidence": "Trace LCP was 916ms; the only stylesheet is the expected head CSS, and both candidate scripts were confirmed async.", "pathIds": [ "home" ], "artifacts": [ "evidence/mortgage-summary.json", "evidence/mortgage-platform-probe.json" ] }, { "principleId": "be-fast-and-stable", "checkId": "trim-unused-and-duplicate-code", "status": "issues", "confidence": "high", "method": "Lighthouse + HAR third-party cost", "evidence": "HAR recorded 327,468 transferred bytes; 252,043 were script and 294,880 (90%) were third-party. Google Publisher Tag implementation alone transferred 201,092 bytes.", "pathIds": [ "mortgage" ], "artifacts": [ "evidence/mortgage-summary.json", "evidence/mortgage.har" ], "findingIds": [ "F07" ] }, { "principleId": "be-inclusive", "checkId": "names-roles-labels", "status": "issues", "confidence": "high", "method": "axe/Lighthouse + DOM accessible controls", "evidence": "axe reported critical label failures: four nodes on BMI (age, height, weight and search) and one on home. The visible table-cell text is not associated with the inputs.", "pathIds": [ "bmi" ], "artifacts": [ "evidence/axe-bmi.json", "evidence/axe-home.json", "evidence/lighthouse-bmi-summary.json" ], "findingIds": [ "F08" ] }, { "principleId": "be-inclusive", "checkId": "sufficient-contrast", "status": "issues", "confidence": "high", "method": "axe/Lighthouse", "evidence": "axe found five contrast failures. Lighthouse measured 3.54:1 for cm/kg text and 2.29:1 for the Clear button, below 4.5:1.", "pathIds": [ "bmi" ], "artifacts": [ "evidence/axe-bmi.json", "evidence/lighthouse-bmi-summary.json", "evidence/bmi-mobile.png" ], "findingIds": [ "F09" ] }, { "principleId": "be-inclusive", "checkId": "structure-and-focus", "status": "issues", "confidence": "high", "method": "axe + keyboard focus probe", "evidence": "axe found no main landmark and 60 BMI regions outside landmarks. Lighthouse also failed heading-order and found data tables whose header cells are td rather than th.", "pathIds": [ "bmi" ], "artifacts": [ "evidence/axe-bmi.json", "evidence/lighthouse-bmi-summary.json" ], "findingIds": [ "F10" ] }, { "principleId": "be-inclusive", "checkId": "legible-text", "status": "pass", "confidence": "high", "method": "screenshots/computed typography", "evidence": "Mobile screenshots show 16px body text, clear headings and readable line wrapping without clipping.", "pathIds": [ "home" ], "artifacts": [ "evidence/bmi-mobile.png" ] }, { "principleId": "be-inclusive", "checkId": "zoom-reflow-targets-and-media", "status": "issues", "confidence": "high", "method": "mobile layout + viewport/media/target probe", "evidence": "Layout at 360px had zero horizontal overflow on home, mortgage and BMI, but Lighthouse failed target-size and the probe found many controls below 24px high.", "pathIds": [ "bmi" ], "artifacts": [ "evidence/bmi-mobile-layout.json", "evidence/mortgage-mobile-layout.json", "evidence/lighthouse-bmi-summary.json" ], "findingIds": [ "F11" ] }, { "principleId": "follow-best-practices", "checkId": "no-console-errors", "status": "pass", "confidence": "high", "method": "console collection/Lighthouse", "evidence": "Lighthouse best-practices scored 1.00 on home and BMI and reported no console-error failure.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-bmi-summary.json" ] }, { "principleId": "follow-best-practices", "checkId": "sound-document-and-assets", "status": "issues", "confidence": "high", "method": "DOM/images/Lighthouse", "evidence": "The image audit found the clickable Save SVG without alt text. DOM inspection shows layout tables, font elements and table cells used as headings; Lighthouse separately failed td-has-header.", "pathIds": [ "bmi" ], "artifacts": [ "evidence/bmi-images.json", "evidence/bmi-dom.json", "evidence/lighthouse-bmi-summary.json" ], "findingIds": [ "F12" ] }, { "principleId": "follow-best-practices", "checkId": "browser-platform-hygiene", "status": "pass", "confidence": "high", "method": "Lighthouse + API/prompt/paste probe", "evidence": "Lighthouse best-practices scored 1.00; probes found no load-time permission request and no paste-prevention behavior.", "pathIds": [ "home" ], "artifacts": [ "evidence/lighthouse-bmi-summary.json", "evidence/mortgage-platform-probe.json" ] }, { "principleId": "be-discoverable", "checkId": "title-and-description", "status": "issues", "confidence": "high", "method": "DOM/discoverability across paths", "evidence": "DOM evidence shows on /my-account/sign-in.php, while the other sampled pages have descriptive titles and descriptions.", "pathIds": [ "sign-in" ], "artifacts": [ "evidence/signin-dom.json", "evidence/signin-probe.json" ], "findingIds": [ "F13" ] }, { "principleId": "be-discoverable", "checkId": "crawlable-and-mobile-friendly", "status": "pass", "confidence": "high", "method": "DOM/robots/Lighthouse", "evidence": "Raw HTML contains real href links and viewport metadata; robots.txt allows crawling and points to the sitemap.", "pathIds": [ "home" ], "artifacts": [ "evidence/robots.txt", "evidence/home-dom.json" ] }, { "principleId": "be-discoverable", "checkId": "canonical-and-indexing-signals", "status": "pass", "confidence": "high", "method": "headers/DOM/robots/sitemap", "evidence": "Sampled public pages returned 200, robots.txt is permissive, sitemap.xml is available, and no accidental noindex was found; no localized duplicate set requires hreflang.", "pathIds": [ "home" ], "artifacts": [ "evidence/robots.txt", "evidence/sitemap.xml" ] }, { "principleId": "be-discoverable", "checkId": "structured-and-shareable-metadata", "status": "issues", "confidence": "medium", "method": "DOM metadata probe", "evidence": "The BMI probe found zero Open Graph tags and zero JSON-LD blocks. Breadcrumb microdata exists, but no metadata describes the calculator/result content for rich sharing.", "pathIds": [ "bmi" ], "artifacts": [ "evidence/bmi-probe.json", "evidence/bmi-dom.json" ], "findingIds": [ "F14" ] }, { "principleId": "be-private-and-secure", "checkId": "secure-transport-and-headers", "status": "issues", "confidence": "high", "method": "headers/cookies/HAR/secrets", "evidence": "Headers evidence found no CSP, HSTS, nosniff, frame protection, Referrer-Policy or Permissions-Policy. PHPSESSID and recentVisit were set without Secure and with SameSite=None; PHPSESSID was also not HttpOnly.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "findingIds": [ "F15" ] }, { "principleId": "be-private-and-secure", "checkId": "data-minimisation-and-third-parties", "status": "issues", "confidence": "high", "method": "trackers/HAR/cookies", "evidence": "Tracker evidence found seven third-party origins and three known tracker domains. HAR attributed 15 of 21 requests and 294,880 of 327,468 transferred bytes to third parties.", "pathIds": [ "mortgage" ], "artifacts": [ "evidence/trackers.json", "evidence/mortgage-summary.json", "evidence/mortgage.har" ], "findingIds": [ "F16" ] }, { "principleId": "be-private-and-secure", "checkId": "in-context-permissions-and-modern-auth", "status": "issues", "confidence": "high", "method": "permissions/auth source probe", "evidence": "The sign-in probe found no WebAuthn/passkey code. Email/password fields have no autocomplete tokens; password is the only first-party sign-in method besides Google OAuth.", "pathIds": [ "sign-in" ], "artifacts": [ "evidence/signin-probe.json", "evidence/signin-dom.json" ], "findingIds": [ "F17" ] }, { "principleId": "be-private-and-secure", "checkId": "defensive-browser-policies", "status": "issues", "confidence": "high", "method": "headers/cookies", "evidence": "The main response lacks clickjacking protection, Referrer-Policy, Permissions-Policy, HSTS and CSP frame-ancestors.", "pathIds": [ "home" ], "artifacts": [ "evidence/headers.json" ], "findingIds": [ "F18" ] }, { "principleId": "be-resilient", "checkId": "progressive-enhancement", "status": "pass", "confidence": "high", "method": "discoverability + no-JS crawler view", "evidence": "Discoverability reported 100% raw-HTML content coverage on home and mortgage, with title, H1 and description present without JavaScript.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-discoverability.json", "evidence/mortgage-discoverability.json" ] }, { "principleId": "be-resilient", "checkId": "resilient-runtime-behaviour", "status": "pass", "confidence": "high", "method": "interaction/error state/DOM", "evidence": "Native page navigation and server-rendered state avoid shell flicker; sampled forms and help content remained within the mobile viewport.", "pathIds": [ "home" ], "artifacts": [ "evidence/bmi-mobile.png" ] }, { "principleId": "be-resilient", "checkId": "offline-and-installable", "status": "issues", "confidence": "medium", "method": "manifest/service-worker/offline probe", "evidence": "A manifest exists with display:standalone, but has no start_url and only one 192px icon; navigator.serviceWorker.controller was false. Core calculator use therefore has no demonstrated offline fallback.", "pathIds": [ "mortgage" ], "artifacts": [ "evidence/manifest.json", "evidence/mortgage-platform-probe.json" ], "findingIds": [ "F19" ] }, { "principleId": "be-resilient", "checkId": "network-and-http-failure-states", "status": "pass", "confidence": "high", "method": "404/offline behavior", "evidence": "The tested unknown route returns a real HTTP 404 with a clear explanation, search and links back to calculator categories.", "pathIds": [ "home" ], "artifacts": [ "evidence/404-headers.txt", "evidence/404.html" ] }, { "principleId": "be-internationalised", "checkId": "lang-dir-and-logical-properties", "status": "issues", "confidence": "high", "method": "DOM/CSS probe", "evidence": "The site declares lang=en, but CSS inspection shows extensive left/right floats, margins, padding and absolute left positioning and no dir attribute or logical-property strategy.", "pathIds": [ "home" ], "artifacts": [ "evidence/home-dom.json", "evidence/bmi-probe.json" ], "findingIds": [ "F20" ] }, { "principleId": "be-internationalised", "checkId": "locale-aware-data", "status": "issues", "confidence": "high", "method": "calculator content/source/formats", "evidence": "The Date Calculator exposes hidden values such as 07/18/2026 and separate month/day/year controls, with no Intl usage. Currency output renders fixed decimal strings and a hard-coded English date such as Jul. 18, 2026.", "pathIds": [ "date" ], "artifacts": [ "evidence/date-locale-probe.json", "evidence/currency-locale-probe.json" ], "findingIds": [ "F21" ] }, { "principleId": "be-internationalised", "checkId": "time-zone-correctness", "status": "not-applicable", "confidence": "high", "method": "date calculator/source behavior", "evidence": "The sampled date/currency tools operate on calendar dates and current rates, not cross-zone instants, recurring events or DST-sensitive schedules.", "reason": "The sampled date/currency tools operate on calendar dates and current rates, not cross-zone instants, recurring events or DST-sensitive schedules.", "pathIds": [ "date" ] }, { "principleId": "be-trustworthy", "checkId": "no-dark-patterns", "status": "pass", "confidence": "high", "method": "screenshots/account/about flows", "evidence": "No consent wall, disguised ad, confirmshaming or forced continuity appeared in sampled public flows; account persistence is visible and user-toggleable.", "pathIds": [ "home" ], "artifacts": [ "evidence/signin-mobile.png" ] }, { "principleId": "be-trustworthy", "checkId": "humane-error-handling", "status": "issues", "confidence": "high", "method": "invalid form submission", "evidence": "Entering age 0 creates “positive numbers only”, but the input gets no aria-invalid or aria-describedby and the message has no role=alert/status.", "pathIds": [ "bmi" ], "artifacts": [ "evidence/bmi-validation-probe.json", "evidence/axe-bmi.json" ], "findingIds": [ "F22" ] }, { "principleId": "be-trustworthy", "checkId": "trustworthy-input-assistance", "status": "issues", "confidence": "high", "method": "form autocomplete probe", "evidence": "The sign-in probe shows empty autocomplete values for email and password, and the email input is type=text rather than type=email.", "pathIds": [ "sign-in" ], "artifacts": [ "evidence/signin-probe.json", "evidence/signin-dom.json" ], "findingIds": [ "F23" ] }, { "principleId": "be-trustworthy", "checkId": "safe-commercial-and-account-flows", "status": "issues", "confidence": "high", "method": "sign-in/account flow inspection", "evidence": "“stay signed in” is checked by default, the PHP session cookie lacks Secure/HttpOnly/SameSite protection, and no passkey support was found.", "pathIds": [ "sign-in" ], "artifacts": [ "evidence/signin-dom.json", "evidence/signin-probe.json", "evidence/cookies.json" ], "findingIds": [ "F24" ] }, { "principleId": "be-sustainable", "checkId": "optimised-assets", "status": "issues", "confidence": "high", "method": "images + HAR", "evidence": "The BMI image audit found a below-fold PNG without loading=lazy or srcset; three content images lack responsive source selection.", "pathIds": [ "bmi" ], "artifacts": [ "evidence/bmi-images.json" ], "findingIds": [ "F25" ] }, { "principleId": "be-sustainable", "checkId": "no-wasteful-work", "status": "issues", "confidence": "high", "method": "HAR/trace idle work", "evidence": "The core page is fast and small, yet ad and traffic-quality scripts initiate 15 third-party requests and transfer 294,880 bytes, including background configuration requests.", "pathIds": [ "mortgage" ], "artifacts": [ "evidence/mortgage-summary.json", "evidence/trackers.json" ], "findingIds": [ "F26" ] }, { "principleId": "be-sustainable", "checkId": "third-party-and-media-budget", "status": "issues", "confidence": "high", "method": "HAR/trackers/media probe", "evidence": "HAR measured 294,880 third-party bytes out of 327,468 total; the 201KB ad implementation is over six times the first-party document transfer.", "pathIds": [ "mortgage" ], "artifacts": [ "evidence/mortgage-summary.json", "evidence/mortgage.har" ], "findingIds": [ "F27" ] }, { "principleId": "be-agent-ready", "checkId": "structured-agent-capabilities", "status": "issues", "confidence": "medium", "method": "DOM/source WebMCP probe", "evidence": "No WebMCP/agent tool registration was found, and Lighthouse agentic-browsing scored BMI 0.5 because its accessibility tree is malformed by unlabeled fields.", "pathIds": [ "bmi" ], "artifacts": [ "evidence/bmi-probe.json", "evidence/lighthouse-bmi-summary.json" ], "findingIds": [ "F28" ] }, { "principleId": "be-agent-ready", "checkId": "on-device-inference", "status": "not-applicable", "confidence": "high", "method": "DOM/source AI API probe", "evidence": "Deterministic calculators do not benefit from probabilistic language-model or summarisation inference.", "reason": "Deterministic calculators do not benefit from probabilistic language-model or summarisation inference.", "pathIds": [ "home" ] }, { "principleId": "be-memory-efficient", "checkId": "no-leak-under-repeated-interaction", "status": "pass", "confidence": "medium", "method": "baseline/post heap around repeated calculator operations", "evidence": "After 10 calculator operation cycles, heap self-size was 1.93MB versus 1.73MB baseline; modest growth was mostly compiled code/native state, not evidence of unbounded retained interaction objects.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-home-baseline.json", "evidence/heap-home-post.json" ] }, { "principleId": "be-memory-efficient", "checkId": "bounded-footprint", "status": "pass", "confidence": "high", "method": "heap summary + Performance metrics", "evidence": "Heap summaries show a small 1.7-1.9MB self-size footprint and roughly 37-39k nodes, proportionate to the page and ad runtime.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-home-baseline.json", "evidence/heap-home-post.json" ] }, { "principleId": "be-memory-efficient", "checkId": "no-detached-dom-or-unbounded-listeners", "status": "pass", "confidence": "medium", "method": "heap compare + listener/timer instrumentation", "evidence": "Neither heap summary surfaced Detached* constructors; closures rose only 73 across separately loaded sessions and no repeating timer-driven UI was observed.", "pathIds": [ "home" ], "artifacts": [ "evidence/heap-home-baseline.json", "evidence/heap-home-post.json" ] } ], "principleOutcomes": [ { "principleId": "respect-user-preferences", "expectation": "default", "status": "issues", "findingIds": [ "F01" ] }, { "principleId": "implement-natural-interactions", "expectation": "default", "status": "issues", "findingIds": [ "F02" ] }, { "principleId": "provide-guided-navigation", "expectation": "default", "status": "issues", "findingIds": [ "F03" ] }, { "principleId": "maximize-content-reduce-noise", "expectation": "default", "status": "issues", "findingIds": [ "F04" ] }, { "principleId": "adapt-to-the-form-factor", "expectation": "default", "status": "issues", "findingIds": [ "F05", "F06" ] }, { "principleId": "support-core-task-success", "expectation": "default", "status": "pass" }, { "principleId": "be-fast-and-stable", "expectation": "default", "status": "issues", "findingIds": [ "F07" ] }, { "principleId": "be-inclusive", "expectation": "default", "status": "issues", "findingIds": [ "F08", "F09", "F10", "F11" ] }, { "principleId": "follow-best-practices", "expectation": "default", "status": "issues", "findingIds": [ "F12" ] }, { "principleId": "be-discoverable", "expectation": "default", "status": "issues", "findingIds": [ "F13", "F14" ] }, { "principleId": "be-private-and-secure", "expectation": "default", "status": "issues", "findingIds": [ "F15", "F16", "F17", "F18" ] }, { "principleId": "be-resilient", "expectation": "contextual", "status": "issues", "findingIds": [ "F19" ] }, { "principleId": "be-internationalised", "expectation": "contextual", "status": "issues", "findingIds": [ "F20", "F21" ] }, { "principleId": "be-trustworthy", "expectation": "default", "status": "issues", "findingIds": [ "F22", "F23", "F24" ] }, { "principleId": "be-sustainable", "expectation": "contextual", "status": "issues", "findingIds": [ "F25", "F26", "F27" ] }, { "principleId": "be-agent-ready", "expectation": "contextual", "status": "issues", "findingIds": [ "F28" ] }, { "principleId": "be-memory-efficient", "expectation": "default", "status": "pass" } ], "paths": [ { "id": "home", "description": "Homepage and embedded scientific calculator; entry, discovery and primary quick-calculation surface.", "url": "https://www.calculator.net/", "conditions": [ "desktop", "viewport: 360x800", "prefers-color-scheme: dark", "prefers-reduced-motion: reduce" ], "result": "issues" }, { "id": "financial-listing", "description": "Financial calculator index; representative listing/navigation template.", "url": "https://www.calculator.net/financial-calculator.html", "conditions": [ "desktop" ], "result": "issues" }, { "id": "mortgage", "description": "Mortgage Calculator; representative finance form, result and long-form explanatory template.", "url": "https://www.calculator.net/mortgage-calculator.html", "conditions": [ "desktop", "viewport: 360x800", "network trace", "HAR" ], "result": "issues" }, { "id": "bmi", "description": "BMI Calculator; representative health form, validation, chart, data table and article template.", "url": "https://www.calculator.net/bmi-calculator.html", "conditions": [ "desktop", "viewport: 360x800", "forced-colors", "invalid input", "axe-core" ], "result": "issues" }, { "id": "sign-in", "description": "Sign-in page; representative account and authentication flow.", "url": "https://www.calculator.net/my-account/sign-in.php", "conditions": [ "desktop", "viewport: 360x800" ], "result": "issues" }, { "id": "not-found", "description": "Unknown URL; representative HTTP error and recovery state.", "url": "https://www.calculator.net/nonexistent-web-uplift-test", "conditions": [ "HTTP 404" ], "result": "pass" }, { "id": "date", "description": "Date Calculator; locale-sensitive date input and formatting archetype.", "url": "https://www.calculator.net/date-calculator.html", "conditions": [ "desktop locale probe" ], "result": "issues" }, { "id": "currency", "description": "Currency Calculator; international currency-data archetype.", "url": "https://www.calculator.net/currency-calculator.html", "conditions": [ "desktop locale probe" ], "result": "issues" } ], "findings": [ { "id": "F01", "severity": "medium", "principleId": "respect-user-preferences", "principleCheckId": "respects-color-scheme", "guidanceId": "dark-mode", "guidanceCategory": "user-experience", "summary": "The site is hard-coded to a light palette.", "evidence": "The dark-condition screenshot is pixel-identical to the default capture (both 77,004-byte PNGs), and the DOM CSS fixes body and panels to white without color-scheme or prefers-color-scheme rules.", "suggestedFix": "Declare color-scheme and define preference-driven surface, text, form and chart colors using prefers-color-scheme or light-dark().", "artifacts": [ "evidence/home-dark.png", "evidence/home-desktop.png", "evidence/home-dom.json" ], "pathId": "home", "url": "https://www.calculator.net/", "effort": "medium", "confidence": "high" }, { "id": "F02", "severity": "low", "principleId": "implement-natural-interactions", "principleCheckId": "view-transitions", "guidanceId": "cross-document-transitions", "guidanceCategory": "user-experience", "summary": "Cross-document navigation swaps abruptly.", "evidence": "DOM/CSS inspection across the MPA templates found no @view-transition rule, view-transition-name, or pageswap/pagereveal handling.", "suggestedFix": "Add a progressively enhanced @view-transition navigation transition and disable it under reduced motion.", "artifacts": [ "evidence/home-dom.json", "evidence/mortgage-dom.json" ], "pathId": "financial-listing", "url": "https://www.calculator.net/financial-calculator.html", "effort": "small", "confidence": "medium" }, { "id": "F03", "severity": "low", "principleId": "provide-guided-navigation", "principleCheckId": "anchored-positioning", "guidanceId": "position-aware-tooltips", "guidanceCategory": "user-experience", "summary": "Calculator help tooltips use manual absolute positioning.", "evidence": "Computed CSS defines #tt with position:absolute, while calculator help icons use custom click handlers; no anchor-name, position-anchor or position-try rules were found.", "suggestedFix": "Use a popover anchored with CSS anchor positioning and position-try fallbacks, retaining a conventional fallback.", "artifacts": [ "evidence/mortgage-dom.json", "evidence/bmi-probe.json" ], "pathId": "mortgage", "url": "https://www.calculator.net/mortgage-calculator.html", "effort": "small", "confidence": "high" }, { "id": "F04", "severity": "high", "principleId": "maximize-content-reduce-noise", "principleCheckId": "semantic-dismissible-primitives", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Core controls are non-semantic click targets.", "evidence": "The homepage calculator and Search use span[onclick], and the BMI save action is an img[onclick]. The probe counted two non-native click targets on BMI; these controls are absent from normal keyboard semantics.", "suggestedFix": "Replace clickable spans/images with button elements and give each control an accessible name and visible focus state.", "artifacts": [ "evidence/home-dom.json", "evidence/bmi-probe.json", "evidence/axe-home.json" ], "pathId": "home", "url": "https://www.calculator.net/", "effort": "medium", "confidence": "high" }, { "id": "F05", "severity": "low", "principleId": "adapt-to-the-form-factor", "principleCheckId": "component-level-responsiveness", "guidanceId": "size-aware-styling", "guidanceCategory": "user-experience", "summary": "Shared components adapt only through viewport breakpoints.", "evidence": "CSS inspection found no @container/container-type usage; calculator, result and navigation components are sized with fixed widths and global max-width media queries.", "suggestedFix": "Introduce containment and component-level size queries for reusable calculator/result/navigation modules while preserving viewport fallbacks.", "artifacts": [ "evidence/home-dom.json", "evidence/bmi-dom.json" ], "pathId": "bmi", "url": "https://www.calculator.net/bmi-calculator.html", "effort": "medium", "confidence": "high" }, { "id": "F06", "severity": "high", "principleId": "adapt-to-the-form-factor", "principleCheckId": "input-modality-aware", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Many controls are too small for touch and some have no keyboard path.", "evidence": "The BMI probe listed numerous 15-22px-high links; Lighthouse failed target-size for adjacent 17px chart links. Homepage calculator spans and Search are not keyboard controls.", "suggestedFix": "Use semantic buttons/links, provide at least 24x24 CSS px targets with spacing (prefer 44px for primary touch controls), and retain visible :focus-visible styles.", "artifacts": [ "evidence/bmi-probe.json", "evidence/lighthouse-bmi-summary.json", "evidence/bmi-mobile.png" ], "pathId": "bmi", "url": "https://www.calculator.net/bmi-calculator.html", "effort": "medium", "confidence": "high" }, { "id": "F07", "severity": "medium", "principleId": "be-fast-and-stable", "principleCheckId": "trim-unused-and-duplicate-code", "guidanceId": "identify-heavy-scripts", "guidanceCategory": "performance", "summary": "Advertising code dominates an otherwise light page.", "evidence": "HAR recorded 327,468 transferred bytes; 252,043 were script and 294,880 (90%) were third-party. Google Publisher Tag implementation alone transferred 201,092 bytes.", "suggestedFix": "Delay ad code until after core content, consent and/or proximity to the ad slot; reduce third-party tags and measure their user value.", "artifacts": [ "evidence/mortgage-summary.json", "evidence/mortgage.har" ], "pathId": "mortgage", "url": "https://www.calculator.net/mortgage-calculator.html", "effort": "medium", "confidence": "high" }, { "id": "F08", "severity": "high", "principleId": "be-inclusive", "principleCheckId": "names-roles-labels", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Calculator and search inputs lack programmatic labels.", "evidence": "axe reported critical label failures: four nodes on BMI (age, height, weight and search) and one on home. The visible table-cell text is not associated with the inputs.", "suggestedFix": "Associate every visible label with its control using label[for]/id; name icon-only save/search controls and use semantic buttons.", "artifacts": [ "evidence/axe-bmi.json", "evidence/axe-home.json", "evidence/lighthouse-bmi-summary.json" ], "pathId": "bmi", "url": "https://www.calculator.net/bmi-calculator.html", "effort": "small", "confidence": "high" }, { "id": "F09", "severity": "medium", "principleId": "be-inclusive", "principleCheckId": "sufficient-contrast", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Several essential labels and controls fail WCAG contrast.", "evidence": "axe found five contrast failures. Lighthouse measured 3.54:1 for cm/kg text and 2.29:1 for the Clear button, below 4.5:1.", "suggestedFix": "Darken secondary text and the Clear control background, then verify all states at WCAG AA contrast.", "artifacts": [ "evidence/axe-bmi.json", "evidence/lighthouse-bmi-summary.json", "evidence/bmi-mobile.png" ], "pathId": "bmi", "url": "https://www.calculator.net/bmi-calculator.html", "effort": "small", "confidence": "high" }, { "id": "F10", "severity": "medium", "principleId": "be-inclusive", "principleCheckId": "structure-and-focus", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Page structure lacks landmarks and uses invalid heading/table semantics.", "evidence": "axe found no main landmark and 60 BMI regions outside landmarks. Lighthouse also failed heading-order and found data tables whose header cells are td rather than th.", "suggestedFix": "Add header/main/nav/footer landmarks, make headings sequential, and use caption/th/scope for data tables.", "artifacts": [ "evidence/axe-bmi.json", "evidence/lighthouse-bmi-summary.json" ], "pathId": "bmi", "url": "https://www.calculator.net/bmi-calculator.html", "effort": "medium", "confidence": "high" }, { "id": "F11", "severity": "medium", "principleId": "be-inclusive", "principleCheckId": "zoom-reflow-targets-and-media", "guidanceId": "accessibility", "guidanceCategory": "accessibility", "summary": "Mobile reflow works, but target sizing does not.", "evidence": "Layout at 360px had zero horizontal overflow on home, mortgage and BMI, but Lighthouse failed target-size and the probe found many controls below 24px high.", "suggestedFix": "Keep the successful fluid reflow and enlarge/space interactive targets without disabling zoom.", "artifacts": [ "evidence/bmi-mobile-layout.json", "evidence/mortgage-mobile-layout.json", "evidence/lighthouse-bmi-summary.json" ], "pathId": "bmi", "url": "https://www.calculator.net/bmi-calculator.html", "effort": "small", "confidence": "high" }, { "id": "F12", "severity": "low", "principleId": "follow-best-practices", "principleCheckId": "sound-document-and-assets", "guidanceId": "html", "guidanceCategory": "html", "summary": "Some authored HTML and image semantics are unsound.", "evidence": "The image audit found the clickable Save SVG without alt text. DOM inspection shows layout tables, font elements and table cells used as headings; Lighthouse separately failed td-has-header.", "suggestedFix": "Use semantic HTML for layout and tables, and replace the clickable image with a named button containing a decorative SVG.", "artifacts": [ "evidence/bmi-images.json", "evidence/bmi-dom.json", "evidence/lighthouse-bmi-summary.json" ], "pathId": "bmi", "url": "https://www.calculator.net/bmi-calculator.html", "effort": "medium", "confidence": "high" }, { "id": "F13", "severity": "low", "principleId": "be-discoverable", "principleCheckId": "title-and-description", "guidanceId": "html", "guidanceCategory": "html", "summary": "The public sign-in page has an empty meta description.", "evidence": "DOM evidence shows on /my-account/sign-in.php, while the other sampled pages have descriptive titles and descriptions.", "suggestedFix": "Add a concise, unique sign-in description or deliberately noindex the utility page if it should not appear in search.", "artifacts": [ "evidence/signin-dom.json", "evidence/signin-probe.json" ], "pathId": "sign-in", "url": "https://www.calculator.net/my-account/sign-in.php", "effort": "trivial", "confidence": "high" }, { "id": "F14", "severity": "low", "principleId": "be-discoverable", "principleCheckId": "structured-and-shareable-metadata", "guidanceId": "html", "guidanceCategory": "html", "summary": "Calculator detail pages omit social preview metadata and entity-level structured data.", "evidence": "The BMI probe found zero Open Graph tags and zero JSON-LD blocks. Breadcrumb microdata exists, but no metadata describes the calculator/result content for rich sharing.", "suggestedFix": "Add accurate Open Graph/Twitter metadata and appropriate JSON-LD for the visible calculator/software content.", "artifacts": [ "evidence/bmi-probe.json", "evidence/bmi-dom.json" ], "pathId": "bmi", "url": "https://www.calculator.net/bmi-calculator.html", "effort": "small", "confidence": "medium" }, { "id": "F15", "severity": "high", "principleId": "be-private-and-secure", "principleCheckId": "secure-transport-and-headers", "guidanceId": "security", "guidanceCategory": "security", "summary": "Transport is HTTPS, but baseline security headers and cookie flags are missing.", "evidence": "Headers evidence found no CSP, HSTS, nosniff, frame protection, Referrer-Policy or Permissions-Policy. PHPSESSID and recentVisit were set without Secure and with SameSite=None; PHPSESSID was also not HttpOnly.", "suggestedFix": "Set HSTS, CSP, nosniff, frame-ancestors, Referrer-Policy and Permissions-Policy; mark session cookies Secure, HttpOnly and SameSite=Lax/Strict as appropriate.", "artifacts": [ "evidence/headers.json", "evidence/cookies.json" ], "pathId": "home", "url": "https://www.calculator.net/", "effort": "medium", "confidence": "high" }, { "id": "F16", "severity": "high", "principleId": "be-private-and-secure", "principleCheckId": "data-minimisation-and-third-parties", "guidanceId": "privacy", "guidanceCategory": "privacy", "summary": "Calculator pages load a large advertising/tracking footprint by default.", "evidence": "Tracker evidence found seven third-party origins and three known tracker domains. HAR attributed 15 of 21 requests and 294,880 of 327,468 transferred bytes to third parties.", "suggestedFix": "Minimise ad/analytics vendors, gate non-essential requests on informed choice, shorten retention, and batch the remaining analytics.", "artifacts": [ "evidence/trackers.json", "evidence/mortgage-summary.json", "evidence/mortgage.har" ], "pathId": "mortgage", "url": "https://www.calculator.net/mortgage-calculator.html", "effort": "large", "confidence": "high" }, { "id": "F17", "severity": "medium", "principleId": "be-private-and-secure", "principleCheckId": "in-context-permissions-and-modern-auth", "guidanceId": "passkeys", "guidanceCategory": "passkeys", "summary": "Authentication is password-only and omits autofill/passkey support.", "evidence": "The sign-in probe found no WebAuthn/passkey code. Email/password fields have no autocomplete tokens; password is the only first-party sign-in method besides Google OAuth.", "suggestedFix": "Add autocomplete=username/current-password immediately, then offer passkey registration and authentication as a phishing-resistant option.", "artifacts": [ "evidence/signin-probe.json", "evidence/signin-dom.json" ], "pathId": "sign-in", "url": "https://www.calculator.net/my-account/sign-in.php", "effort": "large", "confidence": "high" }, { "id": "F18", "severity": "high", "principleId": "be-private-and-secure", "principleCheckId": "defensive-browser-policies", "guidanceId": "security", "guidanceCategory": "security", "summary": "Browser-enforced defensive policies are absent.", "evidence": "The main response lacks clickjacking protection, Referrer-Policy, Permissions-Policy, HSTS and CSP frame-ancestors.", "suggestedFix": "Deploy restrictive frame-ancestors, Referrer-Policy and Permissions-Policy with CSP reporting, and evaluate Trusted Types for account surfaces.", "artifacts": [ "evidence/headers.json" ], "pathId": "home", "url": "https://www.calculator.net/", "effort": "medium", "confidence": "high" }, { "id": "F19", "severity": "low", "principleId": "be-resilient", "principleCheckId": "offline-and-installable", "guidanceId": "conditional-async-dependencies", "guidanceCategory": "performance", "summary": "The calculator app advertises standalone display but has no offline runtime.", "evidence": "A manifest exists with display:standalone, but has no start_url and only one 192px icon; navigator.serviceWorker.controller was false. Core calculator use therefore has no demonstrated offline fallback.", "suggestedFix": "Complete the manifest and add a small service worker that caches the shell and provides an explicit offline fallback for calculators that can run locally.", "artifacts": [ "evidence/manifest.json", "evidence/mortgage-platform-probe.json" ], "pathId": "mortgage", "url": "https://www.calculator.net/mortgage-calculator.html", "effort": "medium", "confidence": "medium" }, { "id": "F20", "severity": "medium", "principleId": "be-internationalised", "principleCheckId": "lang-dir-and-logical-properties", "guidanceId": "translator", "guidanceCategory": "built-in-ai", "summary": "Worldwide content is built with physical-direction CSS.", "evidence": "The site declares lang=en, but CSS inspection shows extensive left/right floats, margins, padding and absolute left positioning and no dir attribute or logical-property strategy.", "suggestedFix": "Use dir-aware markup and migrate layout-critical physical properties to inline/block logical properties; test an RTL locale.", "artifacts": [ "evidence/home-dom.json", "evidence/bmi-probe.json" ], "pathId": "home", "url": "https://www.calculator.net/", "effort": "large", "confidence": "high" }, { "id": "F21", "severity": "medium", "principleId": "be-internationalised", "principleCheckId": "locale-aware-data", "guidanceId": "support-global-calendar-systems", "guidanceCategory": "user-experience", "summary": "Locale-sensitive calculators hard-code US-style dates and number presentation.", "evidence": "The Date Calculator exposes hidden values such as 07/18/2026 and separate month/day/year controls, with no Intl usage. Currency output renders fixed decimal strings and a hard-coded English date such as Jul. 18, 2026.", "suggestedFix": "Parse/store unambiguous values and format dates, numbers and currencies with Intl for the selected locale; make locale assumptions explicit.", "artifacts": [ "evidence/date-locale-probe.json", "evidence/currency-locale-probe.json" ], "pathId": "date", "url": "https://www.calculator.net/date-calculator.html", "effort": "large", "confidence": "high" }, { "id": "F22", "severity": "medium", "principleId": "be-trustworthy", "principleCheckId": "humane-error-handling", "guidanceId": "accessible-error-announcement", "guidanceCategory": "accessibility", "summary": "Validation errors are immediate but not programmatically announced or associated.", "evidence": "Entering age 0 creates “positive numbers only”, but the input gets no aria-invalid or aria-describedby and the message has no role=alert/status.", "suggestedFix": "Validate after interaction, set aria-invalid, connect persistent help/error text with aria-describedby, and announce submit-time summaries.", "artifacts": [ "evidence/bmi-validation-probe.json", "evidence/axe-bmi.json" ], "pathId": "bmi", "url": "https://www.calculator.net/bmi-calculator.html", "effort": "small", "confidence": "high" }, { "id": "F23", "severity": "medium", "principleId": "be-trustworthy", "principleCheckId": "trustworthy-input-assistance", "guidanceId": "autofill-sign-in-form", "guidanceCategory": "forms", "summary": "Sign-in fields omit autocomplete assistance.", "evidence": "The sign-in probe shows empty autocomplete values for email and password, and the email input is type=text rather than type=email.", "suggestedFix": "Use type=email autocomplete=username and autocomplete=current-password; add appropriate tokens to account creation forms.", "artifacts": [ "evidence/signin-probe.json", "evidence/signin-dom.json" ], "pathId": "sign-in", "url": "https://www.calculator.net/my-account/sign-in.php", "effort": "trivial", "confidence": "high" }, { "id": "F24", "severity": "medium", "principleId": "be-trustworthy", "principleCheckId": "safe-commercial-and-account-flows", "guidanceId": "passkey-management", "guidanceCategory": "passkeys", "summary": "The account entry flow defaults to persistent sign-in without modern account protections.", "evidence": "“stay signed in” is checked by default, the PHP session cookie lacks Secure/HttpOnly/SameSite protection, and no passkey support was found.", "suggestedFix": "Use a safer session-cookie posture, explain persistence, reconsider the checked default on shared devices, and add passkey/account-session management.", "artifacts": [ "evidence/signin-dom.json", "evidence/signin-probe.json", "evidence/cookies.json" ], "pathId": "sign-in", "url": "https://www.calculator.net/my-account/sign-in.php", "effort": "large", "confidence": "high" }, { "id": "F25", "severity": "low", "principleId": "be-sustainable", "principleCheckId": "optimised-assets", "guidanceId": "deliver-optimized-decorative-images", "guidanceCategory": "user-experience", "summary": "Below-fold imagery is not responsively delivered or deferred.", "evidence": "The BMI image audit found a below-fold PNG without loading=lazy or srcset; three content images lack responsive source selection.", "suggestedFix": "Lazy-load below-fold images and provide responsive AVIF/WebP sources where raster content benefits.", "artifacts": [ "evidence/bmi-images.json" ], "pathId": "bmi", "url": "https://www.calculator.net/bmi-calculator.html", "effort": "small", "confidence": "high" }, { "id": "F26", "severity": "medium", "principleId": "be-sustainable", "principleCheckId": "no-wasteful-work", "guidanceId": "deprioritize-background-fetches", "guidanceCategory": "performance", "summary": "Background advertising work is disproportionate to the core calculator.", "evidence": "The core page is fast and small, yet ad and traffic-quality scripts initiate 15 third-party requests and transfer 294,880 bytes, including background configuration requests.", "suggestedFix": "Defer background fetches until idle/consent/visibility, remove redundant traffic-quality work, and enforce a third-party budget.", "artifacts": [ "evidence/mortgage-summary.json", "evidence/trackers.json" ], "pathId": "mortgage", "url": "https://www.calculator.net/mortgage-calculator.html", "effort": "medium", "confidence": "high" }, { "id": "F27", "severity": "medium", "principleId": "be-sustainable", "principleCheckId": "third-party-and-media-budget", "guidanceId": "efficient-background-processing", "guidanceCategory": "performance", "summary": "Third-party code consumes about 90% of transferred bytes.", "evidence": "HAR measured 294,880 third-party bytes out of 327,468 total; the 201KB ad implementation is over six times the first-party document transfer.", "suggestedFix": "Set and monitor a third-party byte/request budget; lazy-load ads and remove vendors that do not justify their resource and privacy cost.", "artifacts": [ "evidence/mortgage-summary.json", "evidence/mortgage.har" ], "pathId": "mortgage", "url": "https://www.calculator.net/mortgage-calculator.html", "effort": "medium", "confidence": "high" }, { "id": "F28", "severity": "low", "principleId": "be-agent-ready", "principleCheckId": "structured-agent-capabilities", "guidanceId": "webmcp", "guidanceCategory": "webmcp", "summary": "High-value calculator actions are difficult for agents to invoke safely.", "evidence": "No WebMCP/agent tool registration was found, and Lighthouse agentic-browsing scored BMI 0.5 because its accessibility tree is malformed by unlabeled fields.", "suggestedFix": "First fix form semantics, then consider exposing selected calculators as typed, constrained WebMCP tools with clear inputs and deterministic outputs.", "artifacts": [ "evidence/bmi-probe.json", "evidence/lighthouse-bmi-summary.json" ], "pathId": "bmi", "url": "https://www.calculator.net/bmi-calculator.html", "effort": "large", "confidence": "medium" } ], "taskList": [ { "id": "T01", "title": "Make forms and custom controls semantic, labelled, keyboard/touch accessible", "priority": 1, "findingIds": [ "F04", "F06", "F08", "F10", "F11", "F12", "F22" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T02", "title": "Deploy security headers and secure session-cookie defaults", "priority": 2, "findingIds": [ "F15", "F18", "F24" ], "guidanceId": "security", "status": "open" }, { "id": "T03", "title": "Reduce and consent-gate the ad/tracker footprint", "priority": 3, "findingIds": [ "F07", "F16", "F26", "F27" ], "guidanceId": "privacy", "status": "open" }, { "id": "T04", "title": "Add dark-mode preference support", "priority": 4, "findingIds": [ "F01" ], "guidanceId": "dark-mode", "status": "open" }, { "id": "T05", "title": "Fix color contrast", "priority": 5, "findingIds": [ "F09" ], "guidanceId": "accessibility", "status": "open" }, { "id": "T06", "title": "Improve sign-in autofill and add passkeys", "priority": 6, "findingIds": [ "F17", "F23", "F24" ], "guidanceId": "passkeys", "status": "open" }, { "id": "T07", "title": "Internationalise layout and locale-sensitive data", "priority": 7, "findingIds": [ "F20", "F21" ], "guidanceId": "support-global-calendar-systems", "status": "open" }, { "id": "T08", "title": "Add responsive/lazy image delivery", "priority": 8, "findingIds": [ "F25" ], "guidanceId": "deliver-optimized-decorative-images", "status": "open" }, { "id": "T09", "title": "Improve metadata and share previews", "priority": 9, "findingIds": [ "F13", "F14" ], "guidanceId": "html", "status": "open" }, { "id": "T10", "title": "Add progressive cross-document transitions and modern tooltip anchoring", "priority": 10, "findingIds": [ "F02", "F03" ], "guidanceId": "cross-document-transitions", "status": "open" }, { "id": "T11", "title": "Add component-level container responsiveness", "priority": 11, "findingIds": [ "F05" ], "guidanceId": "size-aware-styling", "status": "open" }, { "id": "T12", "title": "Complete install/offline support", "priority": 12, "findingIds": [ "F19" ], "guidanceId": "conditional-async-dependencies", "status": "open" }, { "id": "T13", "title": "Expose selected calculators as safe structured agent tools", "priority": 13, "findingIds": [ "F28" ], "guidanceId": "webmcp", "status": "open" } ], "budget": { "pathCount": 8, "auditPasses": 1 }, "agent": "pi", "runId": "2026-07-18T07-55-54-018Z" }