Support » Plugin: W3 Total Cache » core web vitals google search all red – to slow?

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  • Plugin Contributor Marko Vasiljevic


    Hello @jbergen

    Thank you for your question and thank you for using W3 Total Cache.
    I’ve checked the Google page speed report and yes the Desktop score is great. As for the mobile version, google complains about the coupe of things:
    Eliminate render-blocking resources
    Reduce unused JavaScript
    Reduce unused CSS
    Serve images in next-gen formats
    Efficiently encode images

    Since most of the render-blocking resources are minified CSS, there is an option in W3 Total Cache to “Eliminate render-blocking CSS by moving it to HTTP body”, in Performance>Minify>CSS, which is available after upgrading the W3 Total Cache to Pro version. This will improve FCP

    W3 Total Cache cannot remove unused JS or CSS. The problem is that some themes and plugins are loading those resources on every page and not just on the pages intended.
    SO this can only be done manually at the moment and in development by dequeuing the files one by one.
    Largest Contentful Paint marks the time at which the largest text or image is painted. So in this case you need to optimize your images as Google suggests, W3 Total Cache does not have an image optimization option at the moment so you should use some image optimization plugin like EWWW image optimization or SmushIt.

    I would also recommend removing Google fonts and severe the fonts from your server.

    I hope this helps!


    Thread Starter jbergen


    Thanks for your advise,

    i enabled the pro version and activated minify option.
    images are optimized.
    score = 75, beter, but still not good enough for google to color green.

    i’m now trying to remove te google fonts. Is this a feature in W3 total cache? or is it comming soon? That would be much easier than manualy 🙂

    many thanks in advanced.

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