株式会社エルブズ

Hide site header and footer in singular page or post. 
You can display more simply your articles.
投稿・固定ページのサイトヘッダー・フッターを非表示にすることができます。 
あなたの記事をよりシンプルに表示できます。
KEYFEATURES 
* Hide a page or post site header. 
* Enable or disable the setting on each page or post.
他にも<a href="https://shop.elvez.co.jp/product-category/wordpress%e3%83%97%e3%83%a9%e3%82%b0%e3%82%a4%e3%83%b3/" rel="nofollow ugc">使いやすいWordpressプラグイン</a>をご用意しています。 
We provide other <a href="https://shop.elvez.co.jp/product-category/wordpress%e3%83%97%e3%83%a9%e3%82%b0%e3%82%a4%e3%83%b3/" rel="nofollow ugc">useful WordPress plugins</a>.

Elvez Hide Site Header & Footer

Hide site header and footer on specified page.

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

Elvez Hide Site Header & Footer vs SOGO Add Script to Individual Pages Header Footer