1. We use high-availability CDNs such as Akamai.
  2. Our cloud platform as well as our CDNs have multiple geo locations to ensure the shortest route possible.
  3. We utilize a search engine index and NoSQL type of environment to eliminate any slow response times from database queries.
  4. Multiple Cacheing layers are used at:
    1. CDNs
    2. Application
    3. Search engine index
  5. Our JavaScript is minified. For example see http://cdn.cnetcontent.com/jsc/cl.js
  6. images are cached for 15 mins.