All options in Base and Optimized, plus everything below.
- Configuration of CDN using your host as the CDN (self hosted)
- Self-Hosted CDN will let you take advantage of pipelining. Browsers can only download a few files at once, only 4 in some cases. Pipelining is a technique whereby aliases (subdomains for example) of your server are used to allow your browser to increase the practical limit of files that can be downloaded in parallel.