Vladimir Kolesnikov

<p>Adds the referrering link from which a commenting user came from to comment notifications and Comments screen in the Admin panel of your site.</p>
<p>This is an extended version of Donncha’s <a href="https://wordpress.org/extend/plugins/comment-referrers/" rel="ugc">Comment Referrers</a> plugin</p>
<p>ICS Comment Referrer:</p>
<ul>
<li>uses both server (HTTP Referer header) and client (works if JavaScript enabled) referrer identification;</li>
<li>cryptographically protects the server-generated referrer field;</li>
<li>adds referring links to comment notifications;</li>
<li>shows referring links in Admin Panel » Comments.</li>
</ul>
<h3>Contributors</h3>
<ul>
<li><a href="http://blog.sjinks.pro/" rel="nofollow ugc">Vladimir Kolesnikov</a></li>
<li><a href="https://launchpad.net/~rahermosillac" rel="nofollow ugc">Ricardo A. Hermosilla Carrillo</a></li>
<li><a href="https://launchpad.net/~pierre-slamich" rel="nofollow ugc">Pierre Slamich</a></li>
<li><a href="https://launchpad.net/~sunder67" rel="nofollow ugc">zeugma</a></li>
<li><a href="https://launchpad.net/~elkan76" rel="nofollow ugc">Mauricio Peñaloza S.</a></li>
</ul>
<h3>Bug Reports</h3>
<p>Please use <a href="https://bugs.launchpad.net/wp-plugin-comment-referrer/+filebug" rel="nofollow ugc">Launchpad</a> to report any bugs.</p>


ICS Comment Referrer

Adds the referrering link from which a commenting user came from to comment notifications and Comments screen in the Admin panel of your site.

wplabs

<p>Hide Referer for WordPress removes the referer (referrer) from all external links on your blog. It does this by converting all outgoing<br />
links on your blog using the href.li service and effectively hides your site as origin of the referred link.</p>
<p>For example, Hide Referer for WordPress will convert an external link to wordpress.org, to <a href="https://href.li/?http://wordpress.org" rel="nofollow ugc">https://href.li/?http://wordpress.org</a>.</p>


Advanced WP Hide Referer

Hide Referer for WordPress removes the referer (referrer) from all external links on your blog. It does this by converting all outgoing

ICS Comment Referrer vs Advanced WP Hide Referer