Tell Feed Readers How Often to Check
Sets the update period and time-to-live in your RSS feed, so feed readers check a daily blog once a day instead of every hour.
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.