How does it work?
Since these functions occur before caching, this optimization will also be applied when bypassing WP Rocket.
The content of the PHP file(s) will be saved into a static
.css file in the
If your site uses these kinds of files, you can identify them in a couple of different ways.
1. In the source code of your page these files will have the
2. You can also identify them in the Network tab of your browser, or in the waterfall chart of a speed testing tool (GT Metrix, Pingdom etc). Look for files with the
If this feature causes a problem on your site you can disable it with the helper plugin found here.