davide.airaghi

This plugin allows any user having at least one of the following capabilities to edit robots.txt: 
– edit_files (standard WP capability) 
– manage_options (standard WP capability) 
– unfiltered_upload (standard WP capability) 
– upload_files (standard WP capability) 
– wpseo_manage_options (Yoast SEO capability) 
– aioseo_general_settings (All In One SEO capability) 
– aioseo_tools_settings (All In One SEO capability) 
– aioseo_feature_manager_settings (All In One SEO capability) 
– aioseo_local_seo_settings (All In One SEO capability)
The “Robots.txt” option is added under “Settings” menu.

Robots.txt Quick Editor

Eugen Bobrowski

Plugin provide to help search engines to indexing site correctly.
A simple plugin to manage your robots.txt. Plugin donn’t create the file or edit it. This plugin edit WordPress output of robots.txt content. And get you a easy and usable interface to manage it.
Features
<ul>
<li>Drag-n-drop robots.txt paths</li>
<li>Changing <code>blog_public</code> option form plugin settings page</li>
<li>Site map field for robots.txt</li>
<li>Robots.txt physical file checking.</li>
</ul>

Robots.txt rewrite

first review

Provide the easy managment of your robots.txt from admin side. It propose you the advanced then standard robots.txt content too.

Robots.txt Quick Editor vs Robots.txt rewrite