For Developers: There are plenty of developer

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For Developers: There are plenty of developer tools that allows devs to compress their files during their workflow. Node.js packages like Clean CSS can be added to a workflow to compress minify files while working on them. Additionally for smaller projects there are plenty of online tool that will compress CSS, JS, and even HTML. If you’re using WordPress you’ll likely want to just opt-in to use a plugin since they’ll achieve the same results with a lot less effort.

Reduce Unused CSS
Removing unused CSS can be difficult. CSS rules that your page has that aren’t used for the page style are considered unused CSS. Most frameworks, themes, and plugins will leave your site with unused CSS.

For example, your WordPress theme could contain styling for a Colombia Phone Number Library page but it’s unused on all other pages of your site but still exists in the stylesheet.

Remove Unused CSS option in WP-Rocket
Remove Unused CSS option in WP-Rocket
Luckily if you use WordPress there are a couple of plugins that will automatically reduce unused CSS. WP-Rocket and Perfmatters will do a great job at removing unused CSS from your blog. These plugins will load your pages and ensure that it only has the CSS needed to correctly display your page leaving you with a smaller CSS file.

For Developers: To do this process manually developers can work on dequeuing stylesheets from a WordPress site. This will allow you to manually select CSS you want to be added to your theme’s stylesheet. There are also online tools to find unused CSS on your site but likely aren’t sustainable to use for large sites.

Leverage Browser Caching
When users visit multiple pages on your site they likely will be using the same resources. Often images, CSS, and JavaScript are shared across your entire site. This is where browser caching comes in, you can tell a user’s browser to save assets for later use. Most performance plugins for WordPress will add browser caching rules out-of-the-box.