Reading Time in Feed Items
Shows an estimated reading time such as "4 min read" at the start of each item in your feeds, so subscribers know how long an article takes before they open it.
Snippet Library
RSS Feeds snippets for WordPress
Snippets for WordPress RSS feeds: add featured images and custom post types, delay publishing to feeds, credit your site on scraped content or turn feeds off. For publishers and podcasters whose readers follow along by feed or email.