Minification refers to the process of removing unnecessary or redundant data without affecting how the resource is processed by the browser – e.g. code comments and formatting, removing unused code, using shorter variable and function names, and so on.
When a page is rendered, PHP and MySQL are used. Therefore, the system needs RAM and CPU. If many visitors come to a site, the system uses lots of RAM and CPU so the page is rendered so slowly. In this case, you need a cache system not to render page again and again. Cache system generates a static HTML file and saves. Other users reach to static HTML page. In addition, the site speed is used in Google’s search ranking algorithm so cache plugins that can improve your page load time will also improve your SEO ranking.
1. W3 Total Cache-:
W3 Total Cache is the most popular caching plugin. It takes the performance of your website to a new level. The plugin offers dozens feature including Minify. If you use W3 Total Cache on your site, you can Minify CSS and JS file from your site using its minify feature. Just go to the General Settings tab and scroll to Minify settings, then follow the screenshot.
this is the Basic settings. For Advanced settings, click on the Minify option under the Performance tab and follow the screenshot below.
3. WP Fastest Cache-:
WP Fastest Cache is another most popular caching plugin with 5star rating. It has also more than 1+ million active installs as per the official WordPress Plugin Directory. This plugin also includes built-in minify options. Simply, you need to check a few boxes. Follow the screenshot below.
The plugin also allows you to Enable Gzip compression that reduces the size of files sent to your server.
4. Fast Velocity Minify-:
5. WP Super Minify-:
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