Exclude files from Async CSS
In rare cases the option “Load CSS files asynchronously” (Static Files → Render-blocking CSS/JS) could conflict with a specific file.
If this option causes any problems, you may need to exclude a file from the process. You can do that by downloading, installing, and editing the following small helper plugin.
📥 Download (.zip): WP Rocket | Exclude Files from Async CSS
Developers: You can find the code for this plugin on GitHub.
Heads up! You must edit the line beginning
$excluded_files to reflect the path of the file you want to exclude.
Tips to make this work
Remove query string
Remove any query string following the
.css extension. For example, to exclude: