webaction

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

cubecolour

<p>A simple and lightweight plugin to indicate external http and https links in posts, pages and custom content by appending a small diagonal arrow icon to the link.</p>
<p>No configuration is required just install and activate.</p>


Indicate External Links

Very reliable has survived many Wp updates and just keeps working.

This plugin just keeps on working

Indicates external links in post, page and custom content.

Show External Links vs Indicate External Links