Ajaxize will allow you to ajaxize almost any php function on your site.
About 0.5 seconds faster page load of the site, even after you've taken the various means for faster site, without making any changes.
The easiest, fastest, most light-weight WordPress Cache plugin available.
Cache the webpages to reduce serverload and database-requests. Speeds up your WordPress website.
Adds endpoints for menus & tax-queries, as well as a server-side cache and CORS headers for the WordPress REST API.
Cache Gravatar in your Host and speed up your site
Optimize/Secure your site today.
Improve website performance by caching widget output in WordPress transients.
Everything a developer or designer needs to pull in a Twitter feed. All in a slim package that won't get in the way of your creativity.
BETA: Extend WordPress with MySQL database read replica support for greater speed and scalability
Redis caching on wordpress, the easy way.
This plugin will cache google web font to local files.
Recent Tweets Widget plugin for new Twitter API v1.1 with CACHE, so you won't be rate limited at Twitter!
Shave off a few milliseconds on your site loading time
A wordpress plugin for using all caches on varnish, nginx, php-fpm stack with php-apc. This plugin includes db-cache-reloaded-fix for dbcache.
Allows users to specify that requests to their content not be cached in any way, easily from within the WordPress admin.
Speeds up your website by making sure the gravatars are stored on your website and not loading from the gravatar server.
Generates static HTML-files from your Blog. That makes your Blog incredible fast! Better than any other cache.
Avoid getting your blog cached by e.g. Google and Internet Archive.
Lazy load content images using the unveil.js jQuery plugin. Improves site performance.
Improve OPcache compatibility with WordPress
The smallest cache plugin ever released (but still greatly efficient).
A plugin to display your Github informations.
uWSGI Object Cache for WordPress. **WARNING:** This requires a manual install. GitHub repository: https://github.com/andrewbevitt/uwsgi-object-cache
Use Memcached with SASL authentication to implement WP Object Cache
Speed up your blog with Easy Cache, bullet-proof and easy-to-use website caching mechanism for WordPress that just works.
Get a fresher cache with a dash of "A Fresher Cache" for absolutely no cash.
Improve website performance by caching individual page fragments (widgets, menus output and long loops).
Pods Alternative Cache is a file-based or database-based caching solution for for hosts that have limitations on object caching. Pods Alternative Cach
Fast Category Cloud WordPress Plugin (Base Version) - plugin that shows categories as a colored tag cloud with post count !!!