Support » Plugin: Jetpack by » How to check if CDN is working?

  • Resolved Othello


    I activated the Photon module of Jetpack. However, after checking my website’s performance on GT metrix, I still see the following recommendation:

    There are 86 static components that are not on CDN:

    Does this mean the Photon module didn’t (fully) work on my website?

    Many thanks,

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  • Plugin Contributor Jeremy Herve


    Jetpack Mechanic

    Photon only caches your site’s images. CSS and JS libraries won’t be cached using Photon. You should use another CDN service if you don’t want to serve your CSS and JS files from your domain.

    You can read more about Photon here:

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