Support » Plugin: WP Super Cache » Set expires header

  • I have set Super Cache and checked in GTMetrix and Google dev tool. They say “Set expires header” but the check box in Super Cache is greyed out so I can’t activate it.

    How can I do that please?


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  • You can set it in your server config (apache, nginx) by static file’s mime type. You don’t need a php plugin for that.

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