What are RSS feeds?

The initials "RSS" are used to refer to really simple syndication. RSS is a family of Web feed formats used to publish frequently updated content such as blog entries, news headlines or podcasts. An RSS document, which is called a "feed," "web feed," or "channel," contains either a summary of content from an associated Web site or the full text. RSS feeds can improve "stickability" and in turn search engine optimization.

Search engines give credit to pages that are regularly updated on the assumption that fresh content will be of interest to surfers.

Software is required to install RSS on your web pages. I would recommend rsscontentbuilder.com

There are hundreds of rss feeds and you should try to find relevant ones for your pages. There are some directories of these rss feeds including: