Rob Bakker

An easy, small, free and fast plugin to add/inject HTML, CSS or JavaScript code to the <head> HTML part of your site.
Some examples of possible use cases for this plugin are:
<ul>
<li>Injecting custom CSS into the <head>.</li>
<li>Inserting a <meta> tag into the <head> for Google Search Console validation.</li>
<li>Adding Google Analytics JavaScript into <head>.</li>
<li>Insert the <base> tag into <head&gt, to set a default URL and a default target for all links.</li>
<li>Adding device-optimized favicons by using the <link> tag</li>
<li>Injecting content with the <template> tag into <head>, in order to initially content from the user (and display it later using JavaScript).</li>
</ul>

Add HTML, JavaScript and CSS to <head>

A simple, small, free and fast plugin to add/inject HTML, CSS or JavaScript code to the <head> HTML part of your site.

Kumbh Design Inc.

custom header & footer script plugin allows you to insert custom third party HTML scripts in your webpages. It’s very easy.
No need to edit in your theme’s core files to do a hard code or any customizations.
You can follow such easy and simple steps at Admin Panel to install and use this plugin.
Features:
<ul>
<li>FREE Plugin.</li>
<li>One click to Install and Easy to Use.</li>
<li>Do not need to edit your theme’s core files.</li>
<li>You can insert script in head and body tags as header and footer.</li>
<li>Quick and supportive.</li>
</ul>

Custom Header Footer

Excellent all the functions, it fulfills what it promises. Highly recommended.

Sagar Thakar

custom header & footer Script Plugin will add HTML to your WP page like CSS, Javascript without editing your themes OR your core coding structures …

Add HTML, JavaScript and CSS to <head> vs Custom Header Footer