"Meta Accelerator" can speed up metaquery.
The one-click speed boost to your WordPress site. Decreases load on your web server, improves serving speed; configures the CDN for you.
Rewrites links to static files to your own CDN network.
CDN Tools is a plugin designed to help you drastically speed up your blog's load time by loading data onto a content distribution network (CDN).
Speed-up page updating, when using custom permalinks and a lot of pages.
The Internet Explorer 8 Accelerator plugin enables you to post an entry with selected text of any web-page to your WordPress blog.