Does not play nice with Elementor

First, off I think this is a great plugin, and we’ve been using it for years. I commend the author on a job well done. However, most of our sites are Elementor based. The caching on this plugin directly interferes with Elementor’s built in Element Caching. The result was sites randomly breaking even after caching on WP Fastest Cache was disabled. This was becoming a recurring problem and directly affecting our business reputation.

We are experienced with WordPress development and tried various settings enabled and disabled. Including the recommended fix for Element Caching as per WP Fastest Cache documentation.

In the end we found deleting WP Fastest Cache immediately resolved the issue across multiple sites. So we are now in process of removing WP Fastest Cache from all our Elementor sites, and replacing it with WP Super Cache (which has caused no conflicts or issues).

So if you are using Elementor, I’d recommend you try other caching plugins first.