Resolve redirection to index_gzip.html issue
In some cases your visitors might be redirected directly to the cache file URL on your site. The cache file URLs look like this:
There could be three reasons for this related to WP Rocket.
Redirect from HTTP to HTTPS
If you have SSL enabled for your entire site, you will need to make sure that all links pointing to the HTTP version of your site will be automatically redirected to the HTTPS version
This problem can appear when your site is accessible via both addresses
To resolve it, follow our Fixing non-www Redirection Knowledge Base article.
Remove rewrite rules from .htaccess
Another potential issue could be related to Rewrite Rules we add in .htaccess file. To remove these, install the following helper plugin, activate it and then disable/reactivate WP Rocket afterwards so that the modifications of the .htaccess file are taken into account: