We have enabled mod_deflate and the hosting provider says that GZIP should be working, but it does not.
They directed us to this: https://docs.wp-rocket.me/article/63-enable-gzip-compression
The link above says “A plugin, or your theme conflicts by adding its own GZIP compression rules. Deactivate all other plugins, switch to a default theme and check if it works then”
I’ve tried disabling all plugins and switching to a default theme, but the issue persists. Is there anything within the theme that could interfere with this?
There is no possibility that the theme can cause this issue. The gzip module is a server side issue so a wordpress theme can’t disable or conflict with it.
Please can you let us know where you check the functionality of gzip.
