Google is really pushing speed as a ranking factor for their ranking and they are right. As Internet is expanding at huge rate, people browse more websites so the sites that load faster often tend to be more popular and user friendly. Also the ecommerce sites that are faster tend to convert better than the ones that are slow.
Here is a vide Need for speed from google webmaster blog
Latest data from Compete.com have indicated that Facebook has beat Yahoo with more than 1 million unique visitors last month. Yahoo unique visitors came short 123 million while Facebook’s unique visitors passed 133 million.
Google still sits on top by distance, but this is a triggering news about Facebooks’s ability to reach to millions, and its advertising potential for the advertisers and small businesses.