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    It looks like Google Pagespeed Insights is complaining about the use of WebP images above the fold. It complains about the critical path. When I change the images to .jpg, the problem is solved. But that’s logically not what I want.

    Did anyone see this before?



    Are you using an “onerror” event on your webp images as a fallback? If so, maybe Pagespeed insights doesn’t like the javascript there?

    I honestly don’t know very much about webp images… a little searching did return some results of similar issues to your own, no real solutions though.

    If your page is loading reasonably fast, I wouldn’t get too concerned about what pagespeed insights is reporting.


    Hi Bearhead,

    Thanks for your answer. I’m not using javascript for it. I don’t really concern about it, but It’s a bit weird, because Google is the founder of WebP.

    The page is a lot faster with WebP images.

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