Yet Another Related Posts Plugin (YARPP)的作者是YARPP,目前有100,000+个有效安装。已经Tested with 5.4.1版本的wordpress。
Yet Another Related Posts Plugin (YARPP) displays pages, posts, and custom post types related to the current entry, introducing your readers to other relevant content on your site.
YARPP Basic for Standard Features

Thumbnail or list view of related content.
Related posts, pages, and custom post types.
Templating: The YARPP templating system gives you advanced control of how your results are displayed.
An advanced and versatile algorithm: Using a customizable algorithm considering post titles, content, tags, categories, and custom taxonomies, YARPP finds related content from across your site. Learn More.
Related posts in feeds: Display related posts in RSS feeds with custom display options.

The Yet Another Related Posts Plugin is the most popular and widely used Related Posts plugin for WordPress, encouraging Discovery and Engagement since 2008.
This plugin requires PHP 5.3, MySQL 4.1, and WordPress 3.7 or greater. See the FAQ for answers to common questions.