There will be times when you will want to create a feed to add to your feed reader from a site that doesn’t have a feed so you can monitor the site for changes, updated, or new content. Here are some free, online feed creation services to try. Not all create feeds from sites without feeds equally, so experiment with these to find the right one.
In general, you will want to provide the “front” page or the page with the most active content you wish to follow. For example, if you wish to only follow the WordPress information from a specific site and not the rest of their content, then you would create a custom feed for their WordPress category, subdomain, or search results.
These are not meant to replace the feeds provided by websites but to use them on sites without feeds.