Facebook’s unique visitors dropped in May, according to a comScore report earlier this month; however, new analysis shows that the issue may be larger than previously thought.
Previous comScore data showed that Facebook had 158.01 million unique visitors in May, down from 158.7 in April and 158.9 in March. This represented a 0.6 percent drop.
Year-over-year data showed that Facebook was up by 0.5 percent in May, though this is taking into account a change in the calculation algorithm made by comScore.
However, analysis of comScore data by Erik Sherman shows that over the last 6 months, Facebook has seen a 4.8 percent decline in unique North American visitors.
Facebook’s unique visitors peaked at 166 million in November 2011, though Sherman noted that this number “has been generally declining since”.
Half of Facebook’s revenue in the first quarter of 2012 was from the North American market, making the region vital to the company’s success.
Read the full story at: Cnet.