netroby

<p>WP-log-robots is a wordpress plugin, we could used it to loged the search engine  robots activity.</p>
<p>after you had installed it . the WP-log-robots will log each robots activity and wrote it to log file .</p>
<p>if your site was : http://www.netroby.com. then the log file would be location at : http://www.netroby.com/robots_log.txt</p>
<h3>Manual Installation</h3>
<p>In case you want to make all steps manually:</p>
<ol>
<li>
<p>Upload to your plugins folder, usually <code>wp-content/plugins/</code> and unzip the file, it will create a <code>wp-content/plugins/wp-log-robots/</code> directory.</p>
</li>
<li>
<p>Make <code>wp-content</code> directory writeable by the web server.</p>
</li>
<li>
<p>Activate the plugin on the plugin screen.</p>
</li>
</ol>
<h3>More Info</h3>
<p>For more info, please visit http://www.netroby.com/ .</p>
<p>(For feedback/comments, please send an e-mail to: netroby[at]netroby.com ).</p>


WP-log-robots

WP-log-robots is a wordpress plugin, we could used it to loged the search engine  robots activity.

Processby

<p>The plugin allows you to create and edit the robots.txt file on your site.</p>
<h4>Features</h4>
<ul>
<li>Works with multisite network on Subdomains;</li>
<li>An example of the correct file for WordPress;</li>
<li>Works out of the box;</li>
<li>Totally Free.</li>
</ul>


Robots.txt Editor

Lightweight and perfect for multisite installations.

But in documentation need to say where the option/editor is installed (Settings > Read options).

WP-log-robots vs Robots.txt Editor