![]() These could be as simple as a meme that hooked you in, or as important as some error message that you need in order to consult with IT. ![]() Tweet at Leave comments on our What's new in DevTools YouTube videos or DevTools Tips YouTube videos.Ī list of everything that has been covered in the What's New In DevTools series.Oftentimes when you are browsing the Internet, you end up finding something that appears on your computer screen that you would like to share with others.Report a DevTools issue using the More options > Help > Report a DevTools issues in DevTools.Submit a suggestion or feedback to us via. ![]() Use the following options to discuss the new features and changes in the post, or anything else related to DevTools. These preview channels give you access to the latest DevTools features, test cutting-edge web platform APIs, and find issues on your site before your users do! # Getting in touch with the Chrome DevTools team # Download the preview channelsĬonsider using the Chrome Canary, Dev or Beta as your default development browser. First Paint in the Timings section # New DOM tutorialĬheck out Get Started With Viewing And Changing The DOM for a hands-on tour of DOM-related features. The Timings section of a Performance recording now marks First Paint.įigure 15. Hovering over a long task in a Performance recording # First Paint in the Timings section Performance recordings now show long tasks.įigure 14. Performance recordings now mark up long tasks and First Paint.Ĭheck out Do less main thread work for an example of using the Performance panel to analyze page load performance. See Filter resources for more on filtering network logs. Filtering by is:service-worker-intercepted Filtering by is:service-worker-initiatedįigure 13. Type is:service-worker-initiated or is:service-worker-intercepted in the Network panel filter text box to view requests that were caused ( initiated) or potentially modified ( intercepted) by a service worker.įigure 12. # Service worker filters in the Network panel ![]() Selecting the portion of viewport to screenshot Start typing area, select Capture area screenshots, then press Enter.ĭrag your mouse over the section of the viewport that you want to screenshot.įigure 11. Area screenshots are now available from the Command Menu.įocus DevTools and then press Control+ Shift+ P or Command+ Shift+ P (Mac) to open the Command Menu. This feature has been around for a while, but the workflow for accessing it was quite hidden. Viewing a binary message as Base64 # Capture area screenshot in the Command MenuĪrea screenshots let you capture a screenshot of a portion of the viewport. Click Copy to clipboard to copy the binary message to your clipboard.įigure 9. Use the dropdown menu at the bottom of the viewer to convert the message into Base64 or UTF-8. Inspecting a WebSocket connectionĬlick one of the Binary Message entries to inspect it. After clicking WS only WebSockety connections are shownĬlick the Name of a WebSocket connection to inspect it.įigure 6. See Inspect Network Activity to learn the basics of analyzing network activity.Ĭlick WS to filter out all resources that aren't WebSocket connections.įigure 5. To view the contents of a binary WebSocket message: See Run Lighthouse in Chrome DevTools to get started. You can also run Lighthouse as a Node module, a Chrome Extension, or from the command line. It also powers web.dev/measure and PageSpeed Insights. What's Lighthouse? Lighthouse is the auditing engine that powers the Audits panel.
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