webaction

Show External Links provides information on all external links on the site pages. 
You can see the info window with the total number of links on the current page. Also, all links stand out and become visible. 
If you do not see all the links on the page, check the source code. Perhaps, they are hidden.
<blockquote>
The plugin works only for authorized users with administrative rights. 
 The plugin does not take into account the WordPress admin bar and the links specified in the skip-sites field.
</blockquote>
<a href="https://web-svb.github.io/sel.github.io" rel="nofollow ugc">Follow plugin development on Github.</a>
<h4>Features</h4>
<ul>
<li>Information on the number of external links on the page</li>
<li>Highlight external links for easy visual detection</li>
<li>Exclude certain sites from checking</li>
</ul>
<h4>Bundled Translations</h4>
<ul>
<li>English</li>
<li>Russian</li>
</ul>

Show External Links

With the plugin Show External Links easy to find all the external links on the pages of the site.

unapersona

Easily insert iframes inside the block editor.
This plugin adds an Iframe block inside the Embeds category.
Insert an external (or internal) URL by simple drag and dropping the Simple Iframe block.

Simple Iframe

No more edit the html of the iframe, put easily in block editor with height and width.
Great Job Jorge!!!

Great as simple

Works flawlessly, it does what it says it does and what it has to do. It's a perfect solution to show external contents with an iframe solution.

This is "a must" block.

Perfect solution for iframe content

Lo necesitaba, así evito añadir una colección de bloques para usar solo uno.

Sencillo y útil.

It is not necessary to create plugins with many functions, thanks Jorge for the contribution!

Simple and great

Easily insert iframes inside the block editor.

Show External Links vs Simple Iframe