Google introduced a new benchmark named Core Web Vitals for judging website speed last year. It has already had a role in search rankings since May 2020, so it's vital for developers to know how their websites are performing. They've been able to use the Web Vitals extension to judge speed and frame rates on the desktop for a while now, but starting with Chrome 90, Google wants to integrate these live stats right in the desktop and mobile versions of the browser. They're coming in the form of a new Performance HUD overlay.

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