litefeel

Comments Link Optimization what prevent all search engine crawl your comments link.
Comments Link Optimization will modify link below.
<ul>
<li>Comments author link.</li>
<li>Comments content link.</li>
</ul>
Comment Optimize URL will not modify link below.
<ul>
<li>Visitors reply link. (@user)</li>
</ul>
Related Links:
<ul>
<li><a href="https://www.litefeel.com/comments-link-optimization/" title="Comments Link Optimization Plugin for WordPress" rel="nofollow ugc">Plugin Homepage</a></li>
<li><a href="https://www.litefeel.com/" title="Author For Comments Link Optimization Plugin" rel="nofollow ugc">Author Homepage</a></li>
<li><a href="https://github.com/litefeel/comments-link-optimization" title="On GitHub" rel="nofollow ugc">On GitHub</a></li>
</ul>

Comments Link Optimization

Comments Link Optimization what prevent all search engine crawl your comments link.

Nick Momrik

Gives a list of that last people to comment on a post, with a link to their site if they provided one.
<h3>Configuration</h3>
You may pass parameters when calling the function to configure some of the options. 
Example: <code>mdv_comment_plugger('Last Commented By: ', 7)</code>
The parameters: 
$before – text to be displayed before the commenters names are displayed 
$limit – the maximum number of commenter names to display (default is 10)

Comment Plugger

Gives a list of that last people to comment on a post, with a link to their site if they provided one.

Comments Link Optimization vs Comment Plugger