FL3R

<p>This plugin detects, via the user agent, the browser and the operating system of the users of your site. When they publish a comment, the plugin shows the icons next to their name of their browser and OS, making the chain of comments more pleasant and interesting. Currently supported about 60 browsers, 100 OS and some web spiders and bots.</p>
<h3>Donate</h3>
<p>If you like this plugin, you consider making a small donation. Thanks. https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=PG99J6Q6A3VEC</p>
<h3>My plugins</h3>
<p>FL3R FeelBox: https://wordpress.org/plugins/fl3r-feelbox/</p>
<p>FL3R User Agent Comments: https://wordpress.org/plugins/fl3r-user-agent-comments/</p>


FL3R User Agent Comments

Show the browser and the operating system of your users in the comments and create a chain of comments most beautiful and interesting to read!

moallemi

<p>the Advanced User Agent Displayer plugin displays the Browser and the operating system of people who commnet on your blog.<br />
Currently Support for Desktop and moblie operationg systems and browsers.<br />
Browsers: Internet Explorer, Opera, Firefox, Safari, Chrome, Epiphany, Avant, Maxthon, Konqueror and …<br />
Platform: Windows (2000, XP, Vista, 7), Linux, Mac, iPhone and …</p>
<p>What’s New in version 2.7.5.2</p>
<pre><code>* Added support for wordpress 4.5
</code></pre>
<p><strong>Translations</strong></p>
<ul>
<li>Persian – <a href="http://www.moallemi.ir/" rel="nofollow ugc">Reza Moallemi</a></li>
<li>French – <a href="http://www.wptrads.fr/" rel="nofollow ugc">Wolforg</a></li>
<li>German – <a href="http://ppfeufer.de" rel="nofollow ugc">Pfeufer</a></li>
</ul>


Advanced User Agent Displayer

Hello dear,
This plugin broke my site. From Author box description to footer </html> everything disappeared in source code. 
Regards,
Gulshan



Broke my site

This wordpress plugin adds user agent information to your blog comments by adding browser and platform icons and lets visitors know the user agent of  …

FL3R User Agent Comments vs Advanced User Agent Displayer