We are all familiar with the Facebook Like button. Installing such a button your website would give you a better idea which of your posts your audience is digging. WP ULike for WordPress is an attractive plugin that lets you add attractive like buttons to your website. Your visitors will be able to like and unlike posts on your website. The plugin also provides you with stats.
WP ULike supports Ultimate Member and BuddyPress. Since it is an AJAXified plugin, data is updated without reloading. The plugin supports posts, comments, and bbPress topics as well. You get various widgets to display data about likes on your site. You can also see the stats in the backend.
This plugin simply lets your visitors like your content. It is a free plugin.