We'll create fresh WordPress site with WP Favorite Posts installed. You have 20 minutes to test the plugin after that site we'll be deleted.
Allows users to add favorite posts. This plugin use cookies and database for
saving data.
You can choose “only registered users can favorite a post” option, if you want.
Also there is a widget named “Most Favorited Posts”. And you can use this template
tag for listing most favorited posts;
Most Favorited Posts
If you use WP Super Cache you must add page (which you show favorites) URI to “Accepted Filenames &
Rejected URIs”.
If you need support create a topic on support forum
Please submit your pull requests to https://github.com/hberberoglu/wp-favorite-posts