Amazon CloudFront is a fast content delivery network (CDN) service that securely delivers data, videos, applications.| Amazon Web Services, Inc.
ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization).| imageoptim.com
Search Engine (SEO) & Performance Optimization (WPO) via caching. Integrated caching: CDN, Page, Minify, Object, Fragment, Database support.| WordPress.org