W3 Total Cache

By BoldGrid

Search Engine (SEO) & Performance Optimization (WPO) via caching. Integrated caching: CDN, Page, Minify, Object, Fragment, Database support.

Categories: General

EWWW Image Optimizer

By nosilver4u

Comprehensive image optimization that doesn't require a rocket science degree. Optimize images automatically for Faster Sites and Happy Visitors.

Categories: General

PHP Compatibility Checker

By WP Engine

Make sure your plugins and themes are compatible with newer PHP versions.

Categories: General