S Hetjens

This plug-in adds the post thumbnail of articles to the RSS and Atom feed via Media RSS (MRSS) specification. Media RSS was 
invented by Yahoo as an extension to RSS feeds used for syndicating multimedia files (audio, video, image). This 
plug-in adds the post thumbnail defined by author of the article to RSS and Atom feeds of the blog. This plug-in 
activates the post thumbnail feature of WordPress, if the theme is not doing it. It is enough to activate the plug-in 
to work, it has no configuration parameters.
MediaRSS is a nice addition to your blog if you want to syndicate your content to other platforms. More and more 
platforms and RSS feed readers support it. The Notes App of Facebook recognize the post thumbnail and displays it in 
every newsfeed item.

Hetjens MediaRSS

This plug-in adds the post thumbnail of articles to the RSS and Atom-Feed via Media RSS specification.

Samir Shah

This plugin disables all RSS/Atom/RDF feeds on your site. It is useful if you use WordPress purely as a content management system (and not for blogging). All requests for feeds will be redirected to the corresponding HTML content.
There are a couple of options to tweak the plugin’s behaviour – go to <code>Settings -> Reading</code> to see them.
If you come across any bugs or have suggestions, please use the plugin support forum. I can’t fix it if I don’t know it’s broken! Please check the <a href="https://wordpress.org/extend/plugins/disable-feeds/faq/" rel="ugc">FAQ</a> for common issues.
Want to contribute? Here’s the <a href="https://github.com/solarissmoke/disable-feeds" rel="nofollow ugc">GitHub development repository</a>.

Disable Feeds

Perfect

Disables all RSS/Atom/RDF feeds on your WordPress site.

Hetjens MediaRSS vs Disable Feeds