W3 Total Cache

By BoldGrid

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

Categories: General

WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance

By David Anderson, Ruhani Rabin, Team Updraft

Get caching and more with this powerful cache plugin. Cache, optimize images, clean your database and minify for maximum performance.

Categories: General

EWWW Image Optimizer

By Exactly WWW

Smaller Images, Faster Sites, Happier Visitors. Comprehensive image optimization that doesn't require a degree in rocket science.

Categories: General

Use Google Libraries

By Jason Penney

Allows your site to use common javascript libraries from Google's AJAX Libraries CDN, rather than from WordPress's own copies.

Categories: General

Relative Image URLs

By Scott Werner

Creates relative URLs for images when inserting into posts.

Categories: General

Prizm Image

By Accusoft

The Prizm Image plugin lets you reduce the file size of your images by up…

Categories: General

WP Performance Pack

By Björn Ahrens

Boost WordPress performance: Faster localization, (on the fly) dynamic image resizing and CDN support for images.

Categories: General