| Tests that audits panel works. |
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| |
| ========== Audits Start Audit State ========== |
| [x] Performance |
| [x] Progressive Web App |
| [x] Best practices |
| [x] Accessibility |
| [x] SEO |
| [ ] Publisher Ads |
| Generate report: enabled visible |
| |
| =============== Lighthouse Status Updates =============== |
| Loading… |
| Create config |
| Requiring gatherers |
| Requiring audits |
| Runner setup |
| Connecting to browser |
| Resetting state with about:blank |
| Getting browser version |
| Benchmarking machine |
| Initializing… |
| Resetting state with about:blank |
| Setting up network for the pass trace |
| Cleaning browser cache |
| Running beforePass methods |
| Gathering setup: CSSUsage |
| Gathering setup: ViewportDimensions |
| Gathering setup: RuntimeExceptions |
| Gathering setup: ConsoleMessages |
| Gathering setup: AnchorElements |
| Gathering setup: ImageElements |
| Gathering setup: LinkElements |
| Gathering setup: MetaElements |
| Gathering setup: ScriptElements |
| Gathering setup: AppCacheManifest |
| Gathering setup: Doctype |
| Gathering setup: DOMStats |
| Gathering setup: OptimizedImages |
| Gathering setup: PasswordInputsWithPreventedPaste |
| Gathering setup: ResponseCompression |
| Gathering setup: TagsBlockingFirstPaint |
| Gathering setup: FontSize |
| Gathering setup: EmbeddedContent |
| Gathering setup: RobotsTxt |
| Gathering setup: TapTargets |
| Gathering setup: Accessibility |
| Beginning devtoolsLog and trace |
| Getting browser version |
| Loading page & waiting for onload |
| Running pass methods |
| Gathering in-page: CSSUsage |
| Gathering in-page: ViewportDimensions |
| Gathering in-page: RuntimeExceptions |
| Gathering in-page: ConsoleMessages |
| Gathering in-page: AnchorElements |
| Gathering in-page: ImageElements |
| Gathering in-page: LinkElements |
| Gathering in-page: MetaElements |
| Gathering in-page: ScriptElements |
| Gathering in-page: AppCacheManifest |
| Gathering in-page: Doctype |
| Gathering in-page: DOMStats |
| Gathering in-page: OptimizedImages |
| Gathering in-page: PasswordInputsWithPreventedPaste |
| Gathering in-page: ResponseCompression |
| Gathering in-page: TagsBlockingFirstPaint |
| Gathering in-page: FontSize |
| Gathering in-page: EmbeddedContent |
| Gathering in-page: RobotsTxt |
| Gathering in-page: TapTargets |
| Gathering in-page: Accessibility |
| Gathering trace |
| Gathering devtoolsLog & network records |
| Running afterPass methods |
| Gathering: CSSUsage |
| Gathering: ViewportDimensions |
| Gathering: RuntimeExceptions |
| Gathering: ConsoleMessages |
| Gathering: AnchorElements |
| Gathering: ImageElements |
| Gathering: LinkElements |
| Gathering: MetaElements |
| Gathering: ScriptElements |
| Gathering: AppCacheManifest |
| Gathering: Doctype |
| Gathering: DOMStats |
| Gathering: OptimizedImages |
| Gathering: PasswordInputsWithPreventedPaste |
| Gathering: ResponseCompression |
| Gathering: TagsBlockingFirstPaint |
| Gathering: FontSize |
| Gathering: EmbeddedContent |
| Gathering: RobotsTxt |
| Gathering: TapTargets |
| Gathering: Accessibility |
| Resetting state with about:blank |
| Setting up network for the pass trace |
| Running beforePass methods |
| Gathering setup: ServiceWorker |
| Gathering setup: Offline |
| Gathering setup: StartUrl |
| Beginning devtoolsLog and trace |
| Loading page & waiting for onload |
| Running pass methods |
| Gathering in-page: ServiceWorker |
| Gathering in-page: Offline |
| Gathering in-page: StartUrl |
| Gathering devtoolsLog & network records |
| Running afterPass methods |
| Gathering: ServiceWorker |
| Gathering: Offline |
| Gathering: StartUrl |
| Resetting state with about:blank |
| Setting up network for the pass trace |
| Running beforePass methods |
| Gathering setup: HTTPRedirect |
| Gathering setup: HTMLWithoutJavaScript |
| Beginning devtoolsLog and trace |
| Loading page & waiting for onload |
| Running pass methods |
| Gathering in-page: HTTPRedirect |
| Gathering in-page: HTMLWithoutJavaScript |
| Gathering devtoolsLog & network records |
| Running afterPass methods |
| Gathering: HTTPRedirect |
| Gathering: HTMLWithoutJavaScript |
| Disconnecting from browser... |
| Analyzing and running audits... |
| Auditing: Uses HTTPS |
| Computing artifact: NetworkRecords |
| Auditing: Redirects HTTP traffic to HTTPS |
| Auditing: Registers a service worker that controls page and `start_url` |
| Auditing: Current page responds with a 200 when offline |
| Auditing: Has a `<meta name="viewport">` tag with `width` or `initial-scale` |
| Computing artifact: ViewportMeta |
| Auditing: Contains some content when JavaScript is not available |
| Auditing: First Contentful Paint |
| Computing artifact: FirstContentfulPaint |
| Computing artifact: TraceOfTab |
| Computing artifact: LanternFirstContentfulPaint |
| Computing artifact: PageDependencyGraph |
| Computing artifact: LoadSimulator |
| Computing artifact: NetworkAnalysis |
| Auditing: First Meaningful Paint |
| Computing artifact: FirstMeaningfulPaint |
| Computing artifact: LanternFirstMeaningfulPaint |
| Auditing: Page load is fast enough on mobile networks |
| Computing artifact: Interactive |
| Computing artifact: LanternInteractive |
| Auditing: Speed Index |
| Computing artifact: SpeedIndex |
| Computing artifact: LanternSpeedIndex |
| Computing artifact: Speedline |
| Auditing: Screenshot Thumbnails |
| Auditing: Final Screenshot |
| Computing artifact: Screenshots |
| Auditing: Estimated Input Latency |
| Computing artifact: EstimatedInputLatency |
| Computing artifact: LanternEstimatedInputLatency |
| Auditing: Total Blocking Time |
| Computing artifact: TotalBlockingTime |
| Computing artifact: LanternTotalBlockingTime |
| Auditing: Max Potential First Input Delay |
| Computing artifact: MaxPotentialFID |
| Computing artifact: LanternMaxPotentialFID |
| Auditing: No browser errors logged to the console |
| Auditing: Server response times are low (TTFB) |
| Computing artifact: MainResource |
| Auditing: First CPU Idle |
| Computing artifact: FirstCPUIdle |
| Computing artifact: LanternFirstCPUIdle |
| Auditing: Time to Interactive |
| Auditing: User Timing marks and measures |
| Computing artifact: UserTimings |
| Auditing: Avoid chaining critical requests |
| Computing artifact: CriticalRequestChains |
| Auditing: Avoid multiple page redirects |
| Auditing: Web app manifest meets the installability requirements |
| Computing artifact: ManifestValues |
| Auditing: Provides a valid `apple-touch-icon` |
| Auditing: Configured for a custom splash screen |
| Auditing: Sets a theme color for the address bar. |
| Auditing: Content is sized correctly for the viewport |
| Auditing: Displays images with correct aspect ratio |
| Auditing: Avoids deprecated APIs |
| Auditing: Minimizes main-thread work |
| Computing artifact: MainThreadTasks |
| Auditing: JavaScript execution time |
| Auditing: Preload key requests |
| Computing artifact: LoadSimulator |
| Auditing: Preconnect to required origins |
| Auditing: All text remains visible during webfont loads |
| Auditing: Diagnostics |
| Auditing: Network Requests |
| Auditing: Network Round Trip Times |
| Auditing: Server Backend Latencies |
| Auditing: Tasks |
| Auditing: Metrics |
| Auditing: `start_url` responds with a 200 when offline |
| Auditing: Performance budget |
| Computing artifact: ResourceSummary |
| Auditing: Keep request counts low and transfer sizes small |
| Auditing: Minimize third-party usage |
| Auditing: Site works cross-browser |
| Auditing: Page transitions don't feel like they block on the network |
| Auditing: Each page has a URL |
| Auditing: `[accesskey]` values are unique |
| Auditing: `[aria-*]` attributes match their roles |
| Auditing: `[role]`s have all required `[aria-*]` attributes |
| Auditing: Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children. |
| Auditing: `[role]`s are contained by their required parent element |
| Auditing: `[role]` values are valid |
| Auditing: `[aria-*]` attributes have valid values |
| Auditing: `[aria-*]` attributes are valid and not misspelled |
| Auditing: `<audio>` elements contain a `<track>` element with `[kind="captions"]` |
| Auditing: Buttons have an accessible name |
| Auditing: The page contains a heading, skip link, or landmark region |
| Auditing: Background and foreground colors have a sufficient contrast ratio |
| Auditing: `<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>` or `<template>` elements. |
| Auditing: Definition list items are wrapped in `<dl>` elements |
| Auditing: Document has a `<title>` element |
| Auditing: `[id]` attributes on the page are unique |
| Auditing: `<frame>` or `<iframe>` elements have a title |
| Auditing: `<html>` element has a `[lang]` attribute |
| Auditing: `<html>` element has a valid value for its `[lang]` attribute |
| Auditing: Image elements have `[alt]` attributes |
| Auditing: `<input type="image">` elements have `[alt]` text |
| Auditing: Form elements have associated labels |
| Auditing: Presentational `<table>` elements avoid using `<th>`, `<caption>` or the `[summary]` attribute. |
| Auditing: Links have a discernible name |
| Auditing: Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`). |
| Auditing: List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements |
| Auditing: The document does not use `<meta http-equiv="refresh">` |
| Auditing: `[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5. |
| Auditing: `<object>` elements have `[alt]` text |
| Auditing: No element has a `[tabindex]` value greater than 0 |
| Auditing: Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table. |
| Auditing: `<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe. |
| Auditing: `[lang]` attributes have a valid value |
| Auditing: `<video>` elements contain a `<track>` element with `[kind="captions"]` |
| Auditing: `<video>` elements contain a `<track>` element with `[kind="description"]` |
| Auditing: Custom controls have associated labels |
| Auditing: Custom controls have ARIA roles |
| Auditing: User focus is not accidentally trapped in a region |
| Auditing: Interactive controls are keyboard focusable |
| Auditing: Headings don't skip levels |
| Auditing: Interactive elements indicate their purpose and state |
| Auditing: The page has a logical tab order |
| Auditing: The user's focus is directed to new content added to the page |
| Auditing: Offscreen content is hidden from assistive technology |
| Auditing: HTML5 landmark elements are used to improve navigation |
| Auditing: Visual order on the page follows DOM order |
| Auditing: Uses efficient cache policy on static assets |
| Auditing: Avoids enormous network payloads |
| Auditing: Defer offscreen images |
| Auditing: Eliminate render-blocking resources |
| Computing artifact: FirstContentfulPaint |
| Computing artifact: LanternFirstContentfulPaint |
| Auditing: Minify CSS |
| Auditing: Minify JavaScript |
| Auditing: Remove unused CSS |
| Auditing: Serve images in next-gen formats |
| Auditing: Efficiently encode images |
| Auditing: Enable text compression |
| Auditing: Properly size images |
| Auditing: Use video formats for animated content |
| Auditing: Avoids Application Cache |
| Auditing: Page has the HTML doctype |
| Auditing: Avoids an excessive DOM size |
| Auditing: Links to cross-origin destinations are safe |
| Auditing: Avoids requesting the geolocation permission on page load |
| Auditing: Avoids `document.write()` |
| Auditing: Avoids front-end JavaScript libraries with known security vulnerabilities |
| Auditing: Detected JavaScript libraries |
| Auditing: Avoids requesting the notification permission on page load |
| Auditing: Allows users to paste into password fields |
| Auditing: Uses HTTP/2 for its own resources |
| Auditing: Uses passive listeners to improve scrolling performance |
| Auditing: Document has a meta description |
| Auditing: Page has successful HTTP status code |
| Auditing: Document uses legible font sizes |
| Auditing: Links have descriptive text |
| Auditing: Page isn’t blocked from indexing |
| Auditing: robots.txt is valid |
| Auditing: Tap targets are sized appropriately |
| Auditing: Document has a valid `hreflang` |
| Auditing: Document avoids plugins |
| Auditing: Document has a valid `rel=canonical` |
| Auditing: Structured data is valid |
| Generating results... |
| |
| =============== Lighthouse Results =============== |
| URL: http://127.0.0.1:8000/devtools/audits/resources/audits-basic.html |
| Version: 5.7.0 |
| TestedAsMobileDevice: true |
| ViewportDimensions: { |
| "innerWidth": 981, |
| "innerHeight": 1570, |
| "outerWidth": 412, |
| "outerHeight": 660, |
| "devicePixelRatio": 2.625 |
| } |
| |
| |
| accesskeys: notApplicable |
| appcache-manifest: pass |
| apple-touch-icon: fail |
| aria-allowed-attr: notApplicable |
| aria-required-attr: notApplicable |
| aria-required-children: notApplicable |
| aria-required-parent: notApplicable |
| aria-roles: notApplicable |
| aria-valid-attr: notApplicable |
| aria-valid-attr-value: notApplicable |
| audio-caption: notApplicable |
| bootup-time: flaky |
| button-name: notApplicable |
| bypass: notApplicable |
| canonical: notApplicable |
| color-contrast: pass |
| content-width: fail |
| critical-request-chains: notApplicable |
| custom-controls-labels: manual |
| custom-controls-roles: manual |
| definition-list: notApplicable |
| deprecations: pass |
| diagnostics: informative |
| dlitem: notApplicable |
| doctype: pass |
| document-title: fail |
| dom-size: numeric |
| duplicate-id: notApplicable |
| efficient-animated-content: flaky |
| errors-in-console: pass |
| estimated-input-latency: flaky |
| external-anchors-use-rel-noopener: pass |
| final-screenshot: ERROR Chrome didn't collect any screenshots during the page load. Please make sure there is content visible on the page, and then try re-running Lighthouse. (NO_SCREENSHOTS) |
| first-contentful-paint: flaky |
| first-cpu-idle: flaky |
| first-meaningful-paint: flaky |
| focus-traps: manual |
| focusable-controls: manual |
| font-display: pass |
| font-size: fail |
| frame-title: notApplicable |
| geolocation-on-start: pass |
| heading-levels: manual |
| hreflang: pass |
| html-has-lang: fail |
| html-lang-valid: notApplicable |
| http-status-code: pass |
| image-alt: notApplicable |
| image-aspect-ratio: pass |
| input-image-alt: notApplicable |
| installable-manifest: fail |
| interactive: flaky |
| interactive-element-affordance: manual |
| is-crawlable: pass |
| is-on-https: pass |
| js-libraries: pass |
| label: notApplicable |
| layout-table: notApplicable |
| link-name: notApplicable |
| link-text: pass |
| list: notApplicable |
| listitem: notApplicable |
| load-fast-enough-for-pwa: flaky |
| logical-tab-order: manual |
| main-thread-tasks: informative |
| mainthread-work-breakdown: numeric |
| managed-focus: manual |
| max-potential-fid: numeric |
| meta-description: fail |
| meta-refresh: notApplicable |
| meta-viewport: notApplicable |
| metrics: flaky |
| network-requests: informative |
| network-rtt: informative |
| network-server-latency: informative |
| no-document-write: pass |
| no-vulnerable-libraries: pass |
| notification-on-start: pass |
| object-alt: notApplicable |
| offline-start-url: fail |
| offscreen-content-hidden: manual |
| offscreen-images: flaky |
| password-inputs-can-be-pasted-into: pass |
| performance-budget: notApplicable |
| plugins: pass |
| pwa-cross-browser: manual |
| pwa-each-page-has-url: manual |
| pwa-page-transitions: manual |
| redirects: flaky |
| redirects-http: fail |
| render-blocking-resources: flaky |
| resource-summary: informative |
| robots-txt: notApplicable |
| screenshot-thumbnails: flaky |
| service-worker: fail |
| speed-index: flaky |
| splash-screen: fail |
| structured-data: manual |
| tabindex: notApplicable |
| tap-targets: fail |
| td-headers-attr: notApplicable |
| th-has-data-cells: notApplicable |
| themed-omnibox: fail |
| third-party-summary: notApplicable |
| time-to-first-byte: pass |
| total-blocking-time: numeric |
| total-byte-weight: numeric |
| unminified-css: flaky |
| unminified-javascript: flaky |
| unused-css-rules: flaky |
| use-landmarks: manual |
| user-timings: flaky |
| uses-http2: fail |
| uses-long-cache-ttl: numeric |
| uses-optimized-images: flaky |
| uses-passive-event-listeners: pass |
| uses-rel-preconnect: numeric |
| uses-rel-preload: flaky |
| uses-responsive-images: flaky |
| uses-text-compression: flaky |
| uses-webp-images: flaky |
| valid-lang: notApplicable |
| video-caption: notApplicable |
| video-description: notApplicable |
| viewport: fail |
| visual-order-follows-dom: manual |
| without-javascript: pass |
| works-offline: fail |
| |
| # of .lh-audit divs: 115 |
| |
