Milan Dinić

This plugin automatically disables frontend database query for Custom CSS and Customizer section for setting Custom CSS, without need to manually choose any setting or option.
It is a very lightweight, it has no settings, just activate it and it works immediately.
And it’s on <a href="https://github.com/dimadin/disable-custom-css" rel="nofollow ugc">GitHub</a>.

Disable Custom CSS

Disable frontend database query and Customizer section for Custom CSS.

SaifuMak

Add custom codes to your wordpress website. You can add custom PHP Functions, HTML, custom CSS, Javascript, Google Analytics, Search Console verification tags or other code snippets to your site.
Features
<ul>
<li>100% free wordpress plugin, no paid upgrades needed!</li>
<li>Add PHP Snippets, Custom CSS, Javascript, Google Analytics, Facebook Scripts, Meta Verification Codes, Search console verification and other codes to your wordpress website easily.</li>
<li>Generate Shortcodes for HTML Snippets and use it anywhere on the site!</li>
<li>Syntax highlighter enabled with Light and Dark Mode Editors</li>
<li>Classify snippets using tags</li>
<li>Add Notes to Snippets</li>
<li>Activate/Inactivate snippets with a single click</li>
<li>Auto-deactivate feature for PHP snippets that causes errors.</li>
<li>Add Custome Codes globally or on individual posts, pages, products and even on custom post types.</li>
<li>Option to select where to put snippets: before </head> or before </body> etc.</li>
<li>Import/Export Snippets to use on other sites.</li>
</ul>

Add Custom Codes – Insert Header, Footer, Custom PHP Snippets, CSS, Javascript

Plugin works faster. Contact support if any problem happens.

Works fast

A completely free plugin to add Custom PHP functions, HTML, CSS, Javascript, any other custom codes to your wordpress website.

Disable Custom CSS vs Add Custom Codes – Insert Header, Footer, Custom PHP Snippets, CSS, Javascript