Support » Plugin: Urvanov Syntax Highlighter » Significant performance drop when using Urvanov Syntax Highlighter

  • Resolved Michael


    According to PageSpeed Insights the page speed drops about 50 points when we enable Urvanov Syntax Highlighter. We didn’t experience this problem with Crayon Syntax Highlighter. We are using W3 Total Cache and Autoptimze for caching, minification and deferring scripts.

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  • Plugin Author urvanov


    @michael8888 I use W3 total Cache too.
    You should just add this files to minify block in it and it should work well:

    For js block:


    For css block:



    As I tested it should be 95-100 score for mobile and desktop in google page speed insights.

    • This reply was modified 1 year ago by urvanov.
    Plugin Author urvanov


    Four months.
    Looks like the problem has gone.

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