Chrome to Show web pages Performance metrics w/o Web Vitals Extension

Google has released Web Vitals Chrome extension that shows Web Performance metrics for a page in Heads Up Display such as largest contentful paint, First Input Delay, and Cumulative Layout Shift. In addition to these, Chrome may natively display Smoothness metric as well on Android and other platforms.

As of now, to know how a page performs, you need to install the Web Vitals Chrome extension. You may not need to do this going forward. Google is working to display them in Heads up display  (HUD) on every page.

Chrome desktop showing Page Performance metrics without Web vitals extension

Make Chrome to show Page Performance metrics natively without installing Web Vitals Extension

  1. Launch Chrome browser
  2. Visit chrome://flags page
  3. Search for “Show performance metrics in HUD”
    Show Performance metrics in HUD flag Chrome
  4. Click on the dropdown arrow and  select “Enabled”
  5. Restart the browser

After enabling the flag, it shows metrics for a page while loading for all frames including Ads. First Input Delay will be shown after your interaction with the page. The feature could be useful for developers and Webmasters.

“Display performance metrics on a HUD display. This is designed specially for platforms without extension support. Currently planned performance metrics including metrics matching Web Vitals metrics, as well as possibly smoothness metrics.” Google notes in a bug related to the feature.

Platform without extensions supports hints at the Android version of Chrome. Yes, the feature is working on Android when the associated flag available for Mac, Windows, Linux, Chome OS Is enabled.

Chrome desktop showing Page Performance metrics without Web vitals extension

What’s your take on this? Do you welcome Google’s move to integrate the Web Vitals feature into Chrome? Let us know in the comments below.

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Venkat Eswarlu

Venkat is an independent technology journalist and the founder of Techdows. He has been covering web browsers, Windows, and software news since 2009. His exclusive scoops on Chrome, Firefox, and Edge features have been cited by Forbes, TechCrunch, Wired, CNET, and other major publications.

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