CDN Sync Tool plugin by Fubra speeds up the page loading of your WordPress site.
Front end optimization plugin, uploads/syncs your static files to a Content Deilvery Network (CDN) such as Amazon S3/CloudFront from your media library, theme directory, WordPress’s wp-include directory and plugin directories aswell as new media library uploads.
Plugin runs images thought smushit.com to losslessy compress images, aswell as GD compression of images.
There is also concatenation of all Javascript and CSS files in the header and footer to one file each to reduce HTTP requests. Also moves the javascript file to the footer so the browser doesn’t hold up the page load doing it. Leverages Google’s Closure Compiler to remove whitespace, do simple and advanced optimizations to reduce file size.
This plugin requires WP Super Cache or W3 Total Cache to be installed and is currently a beta release.
Download: http://wordpress.org/extend/plugins/cdn-sync-tool/