Caching

Nginx FastCGI cache is a feature of the Nginx web server that enables the caching of dynamic content generated by FastCGI applications such as PHP. By caching the dynamic content, Nginx can serve the content directly to visitors as a static page so that the same dynamic request does not have to be processed over…

If you don’t use any of the popular caching plugins (e.g. WP-Rocket, W3 Total Cache, WP Super Cache…), but instead deploy Nginx FastCGI cache for (server side) Full Page Caching, you will probably see the message “page cache is not detected but the server response time is ok” when you run the “Site Health” checker…