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Google plans to update its algorithm in May 2021 to include a factor called Page Experience. This includes existing Google Search signals such as mobile-friendliness, safe-browsing, HTTPS, and intrusive interstitial guidelines.
At the forefront, it includes metrics in Google’s Web Vitals to do with a site’s loading speed, interactivity, and visual stability. According to Google, site owners making the necessary changes should be a priority. Among the steps to take are optimizing for mobile, improving page speeds, CTAs, and alt text for images.
More about Google Web Vitals: https://web.dev/vitals/