My WP Fast is the plugin that will make your WordPress super fast.
With this plugin is possible to:
Minimize JS files and Merge
Minimize CSS files and Merge
Minimize HTML to make your site load faster
Automatic lazy load all images on your website
Configure a CDN to make your website even faster
Remove WordPress information that your website doesn’t need
1 – Upload and install the plugin.
2 – Go to the plugin configuration page.
3 – Activate the Minify CSS and JS and other options you want to use.
4 – Visit your website pages to see if everything is working ok.
5 – If not turn on Debug and visit again and try to ignore some JS and CSS files slowly until you understand which one caused the problem.