Google announced that its PageSpeed Insights tool as of March 3, 2021 uses http/2 to make network requests, that is if the server supports it. If your site is on HTPT/2, you may see your PageSpeed Insights scores go up as a result. No, your rankings won't go up as a result but just a heads up....
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Google PageSpeed Insights Now Supports HTTP/2 - Scores Might Go Up
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