My mobile contract is expiring soon, so I went online and checked the different mobile companies for their offerings. All of these sites have a page where you get an overview of all the different phone models available. One one page I noticed that the list of phones started with an empty grid – and then – slowly – images appeared and after that some overlay information on the phone itself was added (such as a link on the facebook, msn or skype page of the phone manufacturer). From a time perspective it took about 2 seconds till I saw something on the page, after 4 got to see the empty grid and after 15 seconds everything was loaded. That made me curious about the internals of that page.

Read the full article that walks through my analyis, the conclusions and the Best Practices that we can derive from that.