Mehtevas

For those big header texts that you adjust for mobile responsiveness in your website.
Now you can set the minimum and maximum font size and make it adjust with your screen resolution based on the width element.
Also you can use custom classes for specific header tags to pick ot which text you want to inflate.
The jQuery script is brought to you by Paravel. http://fittextjs.com/
https://github.com/davatron5000/FitText.js
Functionality:
<ul>
<li>Pre-defined header tags, H1-H6</li>
<li>“Custom header classes” of your choice.</li>
<li>Minimum and Maximum Font Size</li>
<li>Compressor for the aggressiveness of the text resizing.</li>
</ul>

Responsive Header Plugin

A Responsive Text Plugin incorporating the fitText jQuery Script by Paravel.

SOGO

Tested with Gutenberg
Create a simple way to add javascript code to individual page post or custom post type header and footer, 
for example: add conversion code to thank you pages 
add google re-marketing code to individual pages 
and much more… 
added in version 1.3 the option to add script \ style to all pages not only individual pages, 
 this will allow you to add Google re-marketing code to the entire site or Google Analytics 
 to use it goto “settings” – “Header Footer Settings”
New Features (version 3.0): 
Added option for terms / category pages
New Features (version 2.3): 
 Added support for WooCommerce shop page.
<ol>
<li>
we support now exclude individual pages form printing the header and footer scripts, this is supported by 2 checkboxes in each page\post 
buy check it the script will not be display on this page
</li>
<li>
we added support to limit the script only for certain post type \ page
</li>
</ol>
if you like it \ use it – please rate us.
usage: 
You need to paste the code with the script tag, for example: 
 you js code

SOGO Add Script to Individual Pages Header Footer

Simple plugin to add script to header and footer for individual pages & posts

Responsive Header Plugin vs SOGO Add Script to Individual Pages Header Footer