WP Rocket | Simple LoadCSS Preloader
Simple high performance plugin to enhance WP Rocket's css output to use the loadCSS preload…
Frysk
Simple high performance plugin to enhance WP Rocket's css output to use the loadCSS preload…
An addon for BWP Minify plugin that can defer CSS load dynamically from the footer…
Javascript has a HTML based method for deferring and asynchronously loading files, namely script Defer…