This documentation provides technical information about how Yoast SEO modifies RSS feeds.
For any feed(s) of public posts/pages*, Yoast SEO allows the user to automatically prefix and/or append a dynamic content string (for the purposes of branding, attribution or similar).
* Excluding WordPress' "comment feeds".
The default prefix setting ("Content to put before each post in the feed") is blank/empty.
The default suffix setting ("Content to put after each post in the feed") is
The post %%POSTLINK%% appeared first on %%BLOGLINK%%..
The following variables are available, and are automatically replaced in the generated prefix/suffix.
|A link to the archive for the post author, with the author's name as anchor text.|
|A link to the post, with the title as anchor text.|
|A link to your site, with your site's name as anchor text.|
|A link to your site, with the site's name and description as anchor text.|