Need your urgent help, Lighthouse version updated to 4.3.1 yesterday,Today we are getting a error message on all the results where we are also executing lighthouse.
“Sorry, Lighthouse had some issues gathering your report on WebPageTest. Please try again or try using Lighthouse through another way”
Full stack trace of light house : Lighthouse test log:
lighthouse “https://unileverd2uat:4nileverd@ua!@rexonad2-uat.unileversolutions.com/se/kvinnor/rexona-aloe-vera-deo-roll-on-50ml.html” --disable-network-throttling --disable-cpu-throttling --throttling-method provided --enable-error-reporting --max-wait-for-load 80000 --port 9230 --output html --output json --output-path “/home/ubuntu/wptagent/work/ip-172-31-13-58/190508_N8_b91b8320b6a2ac0c71d048d9bee63b1e.1.0/lighthouse.json” --disable-device-emulation --chrome-flags=“–user-agent=‘Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML like Gecko) Chrome/74.0.3729.131 Safari/537.36 PTST/190506.210541’” --blocked-url-patterns ‘null’
Wed, 08 May 2019 08:49:09 GMT config:warn The “–disable-device-emulation” has been removed in v5. Please use “–emulated-form-factor=none” instead.
Wed, 08 May 2019 08:49:09 GMT status Connecting to browser
Wed, 08 May 2019 08:49:10 GMT status Resetting state with about:blank
Wed, 08 May 2019 08:49:10 GMT status Benchmarking machine
Wed, 08 May 2019 08:49:10 GMT status Loading page & waiting for onload CSSUsage, ViewportDimensions, RuntimeExceptions, ConsoleMessages, AnchorElements, ImageElements, LinkElements, MetaElements, ScriptElements, AppCacheManifest, Doctype, DOMStats, OptimizedImages, PasswordInputsWithPreventedPaste, ResponseCompression, TagsBlockingFirstPaint, FontSize, EmbeddedContent, RobotsTxt, TapTargets, Accessibility
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: CSSUsage
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: ViewportDimensions
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: RuntimeExceptions
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: ConsoleMessages
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: AnchorElements
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: ImageElements
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: LinkElements
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: MetaElements
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: ScriptElements
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: AppCacheManifest
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: Doctype
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: DOMStats
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: OptimizedImages
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: PasswordInputsWithPreventedPaste
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: ResponseCompression
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: TagsBlockingFirstPaint
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: FontSize
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: EmbeddedContent
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: RobotsTxt
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: TapTargets
Wed, 08 May 2019 08:49:20 GMT status Retrieving in-page: Accessibility
Wed, 08 May 2019 08:49:20 GMT status Retrieving trace
Wed, 08 May 2019 08:49:20 GMT status Retrieving devtoolsLog & network records
Wed, 08 May 2019 08:49:20 GMT status Retrieving: CSSUsage
Wed, 08 May 2019 08:49:20 GMT status Retrieving: ViewportDimensions
Wed, 08 May 2019 08:49:20 GMT status Retrieving: RuntimeExceptions
Wed, 08 May 2019 08:49:20 GMT status Retrieving: ConsoleMessages
Wed, 08 May 2019 08:49:20 GMT status Retrieving: AnchorElements
Wed, 08 May 2019 08:49:20 GMT status Retrieving: ImageElements
Wed, 08 May 2019 08:49:20 GMT status Retrieving: LinkElements
Wed, 08 May 2019 08:49:20 GMT status Retrieving: MetaElements
Wed, 08 May 2019 08:49:20 GMT status Retrieving: ScriptElements
Wed, 08 May 2019 08:49:21 GMT status Retrieving: AppCacheManifest
Wed, 08 May 2019 08:49:21 GMT status Retrieving: Doctype
Wed, 08 May 2019 08:49:21 GMT status Retrieving: DOMStats
Wed, 08 May 2019 08:49:21 GMT status Retrieving: OptimizedImages
Wed, 08 May 2019 08:49:21 GMT status Retrieving: PasswordInputsWithPreventedPaste
Wed, 08 May 2019 08:49:21 GMT status Retrieving: ResponseCompression
Wed, 08 May 2019 08:49:21 GMT status Retrieving: TagsBlockingFirstPaint
Wed, 08 May 2019 08:49:21 GMT status Retrieving: FontSize
Wed, 08 May 2019 08:49:21 GMT status Retrieving: EmbeddedContent
Wed, 08 May 2019 08:49:21 GMT status Retrieving: RobotsTxt
Wed, 08 May 2019 08:50:21 GMT status Retrieving: TapTargets
Wed, 08 May 2019 08:50:21 GMT status Retrieving: Accessibility
Wed, 08 May 2019 08:50:22 GMT status Resetting state with about:blank
Wed, 08 May 2019 08:50:22 GMT status Loading page & waiting for onload ServiceWorker, Offline, StartUrl
Wed, 08 May 2019 08:50:22 GMT status Retrieving in-page: ServiceWorker
Wed, 08 May 2019 08:50:22 GMT status Retrieving in-page: Offline
Wed, 08 May 2019 08:50:22 GMT status Retrieving in-page: StartUrl
Wed, 08 May 2019 08:50:22 GMT status Retrieving devtoolsLog & network records
Wed, 08 May 2019 08:50:22 GMT status Retrieving: ServiceWorker
Wed, 08 May 2019 08:50:22 GMT status Retrieving: Offline
Wed, 08 May 2019 08:50:22 GMT status Retrieving: StartUrl
Wed, 08 May 2019 08:50:22 GMT status Resetting state with about:blank
Wed, 08 May 2019 08:50:22 GMT status Loading page & waiting for onload HTTPRedirect, HTMLWithoutJavaScript
Wed, 08 May 2019 08:50:23 GMT status Retrieving in-page: HTTPRedirect
Wed, 08 May 2019 08:50:23 GMT status Retrieving in-page: HTMLWithoutJavaScript
Wed, 08 May 2019 08:50:23 GMT status Retrieving devtoolsLog & network records
Wed, 08 May 2019 08:50:23 GMT status Retrieving: HTTPRedirect
Wed, 08 May 2019 08:50:23 GMT status Retrieving: HTMLWithoutJavaScript
Wed, 08 May 2019 08:50:23 GMT status Disconnecting from browser…
Wed, 08 May 2019 08:50:23 GMT status Analyzing and running audits…
Wed, 08 May 2019 08:50:23 GMT status Evaluating: Uses HTTPS
Wed, 08 May 2019 08:50:23 GMT status Evaluating: Redirects HTTP traffic to HTTPS
Wed, 08 May 2019 08:50:23 GMT status Evaluating: Registers a service worker that controls page and start_url
Wed, 08 May 2019 08:50:23 GMT status Evaluating: Current page responds with a 200 when offline
Wed, 08 May 2019 08:50:23 GMT status Evaluating: Has a <meta name="viewport"> tag with width or initial-scale
Wed, 08 May 2019 08:50:23 GMT status Evaluating: Contains some content when JavaScript is not available
Wed, 08 May 2019 08:50:23 GMT status Evaluating: First Contentful Paint
Wed, 08 May 2019 08:50:23 GMT status Evaluating: First Meaningful Paint
Wed, 08 May 2019 08:50:23 GMT status Evaluating: Page load is fast enough on mobile networks
Wed, 08 May 2019 08:50:23 GMT status Evaluating: Speed Index
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Screenshot Thumbnails
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Final Screenshot
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Estimated Input Latency
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Max Potential First Input Delay
Wed, 08 May 2019 08:50:24 GMT status Evaluating: No browser errors logged to the console
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Server response times are low (TTFB)
Wed, 08 May 2019 08:50:24 GMT status Evaluating: First CPU Idle
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Time to Interactive
Wed, 08 May 2019 08:50:24 GMT status Evaluating: User Timing marks and measures
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Minimize Critical Requests Depth
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Avoid multiple page redirects
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Web app manifest meets the installability requirements
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Provides a valid apple-touch-icon
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Configured for a custom splash screen
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Sets an address-bar theme color
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Content is sized correctly for the viewport
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Displays images with correct aspect ratio
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Avoids deprecated APIs
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Minimizes main-thread work
Wed, 08 May 2019 08:50:24 GMT status Evaluating: JavaScript execution time
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Preload key requests
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Preconnect to required origins
Wed, 08 May 2019 08:50:24 GMT status Evaluating: All text remains visible during webfont loads
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Diagnostics
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Network Requests
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Network Round Trip Times
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Server Backend Latencies
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Tasks
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Metrics
Wed, 08 May 2019 08:50:24 GMT status Evaluating: start_url responds with a 200 when offline
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Performance budget
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Keep request counts low and transfer sizes small
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Site works cross-browser
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Page transitions don’t feel like they block on the network
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Each page has a URL
Wed, 08 May 2019 08:50:24 GMT status Evaluating: [accesskey] values are unique
Wed, 08 May 2019 08:50:24 GMT status Evaluating: [aria-*] attributes match their roles
Wed, 08 May 2019 08:50:24 GMT status Evaluating: [role]s have all required [aria-*] attributes
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Elements with [role] that require specific children [role]s, are present
Wed, 08 May 2019 08:50:24 GMT status Evaluating: [role]s are contained by their required parent element
Wed, 08 May 2019 08:50:24 GMT status Evaluating: [role] values are valid
Wed, 08 May 2019 08:50:24 GMT status Evaluating: [aria-*] attributes have valid values
Wed, 08 May 2019 08:50:24 GMT status Evaluating: [aria-*] attributes are valid and not misspelled
Wed, 08 May 2019 08:50:24 GMT status Evaluating: <audio> elements contain a <track> element with [kind="captions"]
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Buttons have an accessible name
Wed, 08 May 2019 08:50:24 GMT status Evaluating: The page contains a heading, skip link, or landmark region
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Background and foreground colors have a sufficient contrast ratio
Wed, 08 May 2019 08:50:24 GMT status Evaluating: <dl>'s contain only properly-ordered <dt> and <dd> groups, <script> or <template> elements.
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Definition list items are wrapped in <dl> elements
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Document has a <title> element
Wed, 08 May 2019 08:50:24 GMT status Evaluating: [id] attributes on the page are unique
Wed, 08 May 2019 08:50:24 GMT status Evaluating: <frame> or <iframe> elements have a title
Wed, 08 May 2019 08:50:24 GMT status Evaluating: <html> element has a [lang] attribute
Wed, 08 May 2019 08:50:24 GMT status Evaluating: <html> element has a valid value for its [lang] attribute
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Image elements have [alt] attributes
Wed, 08 May 2019 08:50:24 GMT status Evaluating: <input type="image"> elements have [alt] text
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Form elements have associated labels
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Presentational <table> elements avoid using <th>, <caption> or the [summary] attribute.
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Links have a discernible name
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Lists contain only <li> elements and script supporting elements (<script> and <template>).
Wed, 08 May 2019 08:50:24 GMT status Evaluating: List items (<li>) are contained within <ul> or <ol> parent elements
Wed, 08 May 2019 08:50:24 GMT status Evaluating: The document does not use <meta http-equiv="refresh">
Wed, 08 May 2019 08:50:24 GMT status Evaluating: [user-scalable="no"] is not used in the <meta name="viewport"> element and the [maximum-scale] attribute is not less than 5.
Wed, 08 May 2019 08:50:24 GMT status Evaluating: <object> elements have [alt] text
Wed, 08 May 2019 08:50:24 GMT status Evaluating: No element has a [tabindex] value greater than 0
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Cells in a <table> element that use the [headers] attribute only refer to other cells of that same table.
Wed, 08 May 2019 08:50:24 GMT status Evaluating: <th> elements and elements with [role="columnheader"/"rowheader"] have data cells they describe.
Wed, 08 May 2019 08:50:24 GMT status Evaluating: [lang] attributes have a valid value
Wed, 08 May 2019 08:50:24 GMT status Evaluating: <video> elements contain a <track> element with [kind="captions"]
Wed, 08 May 2019 08:50:24 GMT status Evaluating: <video> elements contain a <track> element with [kind="description"]
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Custom controls have associated labels
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Custom controls have ARIA roles
Wed, 08 May 2019 08:50:24 GMT status Evaluating: User focus is not accidentally trapped in a region
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Interactive controls are keyboard focusable
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Headings don’t skip levels
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Interactive elements indicate their purpose and state
Wed, 08 May 2019 08:50:24 GMT status Evaluating: The page has a logical tab order
Wed, 08 May 2019 08:50:24 GMT status Evaluating: The user’s focus is directed to new content added to the page
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Offscreen content is hidden from assistive technology
Wed, 08 May 2019 08:50:24 GMT status Evaluating: HTML5 landmark elements are used to improve navigation
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Visual order on the page follows DOM order
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Uses efficient cache policy on static assets
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Avoids enormous network payloads
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Defer offscreen images
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Eliminate render-blocking resources
Wed, 08 May 2019 08:50:24 GMT status Evaluating: Minify CSS
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Minify JavaScript
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Remove unused CSS
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Serve images in next-gen formats
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Efficiently encode images
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Enable text compression
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Properly size images
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Use video formats for animated content
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Avoids Application Cache
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Page has the HTML doctype
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Avoids an excessive DOM size
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Links to cross-origin destinations are safe
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Avoids requesting the geolocation permission on page load
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Avoids document.write()
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Avoids front-end JavaScript libraries with known security vulnerabilities
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Detected JavaScript libraries
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Avoids requesting the notification permission on page load
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Allows users to paste into password fields
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Uses HTTP/2 for its own resources
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Uses passive listeners to improve scrolling performance
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Document has a meta description
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Page has successful HTTP status code
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Document uses legible font sizes
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Links have descriptive text
Wed, 08 May 2019 08:50:25 GMT Runner:warn RobotsTxt gatherer, required by audit is-crawlable, encountered an error: PROTOCOL_TIMEOUT
Wed, 08 May 2019 08:50:25 GMT is-crawlable:warn Caught exception: Required RobotsTxt gatherer encountered an error: PROTOCOL_TIMEOUT
Wed, 08 May 2019 08:50:25 GMT status Evaluating: robots.txt is valid
Wed, 08 May 2019 08:50:25 GMT Runner:warn RobotsTxt gatherer, required by audit robots-txt, encountered an error: PROTOCOL_TIMEOUT
Wed, 08 May 2019 08:50:25 GMT robots-txt:warn Caught exception: Required RobotsTxt gatherer encountered an error: PROTOCOL_TIMEOUT
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Tap targets are sized appropriately
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Document has a valid hreflang
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Document avoids plugins
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Document has a valid rel=canonical
Wed, 08 May 2019 08:50:25 GMT status Evaluating: Structured data is valid
Wed, 08 May 2019 08:50:25 GMT status Generating results…
Wed, 08 May 2019 08:50:25 GMT Printer html output written to /home/ubuntu/wptagent/work/ip-172-31-13-58/190508_N8_b91b8320b6a2ac0c71d048d9bee63b1e.1.0/lighthouse.report.html
Wed, 08 May 2019 08:50:25 GMT CLI Protip: Run lighthouse with --view to immediately open the HTML report in your browser
Wed, 08 May 2019 08:50:25 GMT Printer json output written to /home/ubuntu/wptagent/work/ip-172-31-13-58/190508_N8_b91b8320b6a2ac0c71d048d9bee63b1e.1.0/lighthouse.report.json
Please can you help us get to the bottom of this one. We will also raise this as defect with lighthouse as well.