Does the fixed header on mobiles twitch when scrolling?

Question

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On small screen sizes in the browser, everything is ok, problems on mobile, where there is a strip on top with a url, a tab button, and an options button

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I have a cap when scrolling down is hidden, when scrolling at the top to appear (leave from the top of the screen). When scrolling up, this strip with the url also starts to move, and it turns out nonsense

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If you need to throw a link to the site, write.
Thank you.

Answer 1

Just yesterday I came across this article . I'm not 100% sure it's a solution, but I think it will help