Checking if the Removed Unused CSS feature in WP Rocket is Causing Performance Issues

Originally published at: Checking if the Removed Unused CSS feature in WP Rocket is Causing Performance Issues - MainWP WordPress Management

The WP Rocket is a well-used full-page caching plugin that includes a number of optimization options. In version 3.9 of the WP Rocket plugin, it included a new remove unused CSS beta feature. The feature will use a background process that will run from a cron event and can take a while to run the…

Looking in this closed WP Rocket GitHub repo issue shows that the RUCSS feature can cause high CPU usage on the site’s server and looks like it is still an issue in the most current version which is 3.9.2.