How to force content refresh of a page that has been loaded previously by the user? [closed]

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Since, your site already uses W3 Total Cache plugin, let me provide a solution based on it.

Please visit yoursite’s wp-admin/admin.php?page=w3tc_browsercache and look for the text “Set cache control header”. Check this option, if it is unchecked, and then choose “no-cache” for the “Cache control policy”. This needs to be done in three places…

  1. CSS & JS
  2. HTML & XML
  3. Media & Other files

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If you do not wish to use W3 Total Cache plugin for some reason, you may set the following in ‘htaccess’ file or in Apache configuration, assuming your server has mod_headers module…

Header set Cache-Control "max-age=0, private, no-store, no-cache, must-revalidate"

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