The new data for March 2011 is in and here are the highlights:
Facebook has reached a plateau, moving sidewise at about two thirds of market share (64.15%).
LinkedIn is growing rapidly from 0.25 to 0.36 percent in five months. The low numbers are due to its niche nature, „business people“.
YouTube is moving slowly upwards at around 20 percent of market share.
Twitter has been gaining market share in the last thee months moving from 0.92 to 1.10 percent.
Another site that has moved up considerably in the last six months is Yahoo! Answers at 1,16 percent. MySpace is continues its decline to obscurity with only 1.4 percent left from its once dominant market share. In April it will probably drop below Twitter and Yahoo! Answers.
The chart shows that most people use one dominant social networking site and use some specialist site on the side. It’s just too time consuming to be fully active on several social networking sites. I believe a good set for your average user might be Facebook, YouTube and maybe on additional site like LinkedIn or Yahoo! Answers.
The chart below is in logarithmic scale so that the smaller sites wouldn’t just a single line around 1% of social network market share. Every month in the chart lists the top 10 sites of that time by the market share of visits. Please note that it is just a percentage and 30% in January 2009 is a lot less than 30% in September 2010. The gaps in the the lines mean that the site wasn’t in the top 10 at that time.