flash of unstyled content

  • I’m using Pagespeed Ninja on the development site linked below. I’m totally satisfied with the speed increase on the site (63 up to 94). It’s amazing! The issue I’m having is with the FOUC when the site loads.

    Is there a setting in the plugin that I can adjust to fix that. It’s not going to work to have an unstyled page appear before the stylesheet loads. I’m pretty sure there’s an adjustment can be made, I just could use a little direction.

    Thanks in advance,
    Bill

    • This topic was modified 7 years, 4 months ago by sagebill.

    The page I need help with: [log in to see the link]

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  • Plugin Author Denis Ryabov

    (@dryabov)

    FOUC is a result of issues with above-the-fold css generation (usually it happens if one of stylesheets has a parsing error). We are working on some improvements, but it’s hard to say when the process will be done.

    As a temporary solution it’s possible to disable above-the-fold css (there is a switch in “Advanced” settings > “Eliminate render-blocking JavaScript and CSS in above-the-fold content” section > “Above-the-fold CSS”), but most likely in this case PageSpeed Insight result will be limited by 90 points.

    Do you recommend a specific tool that would allow me to discover (and fix) if one of my stylesheets has a parsing error.

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