More Measurement Firms Show Stronger May US Facebook Growth, Following Slower Start to 2011

Three third-party measurement services agreed on United States Facebook traffic in May, at least directionally. They each showed the company making a net gain in monthly unique visitors to help make up for what has been a slower year by each of their accounts. Beyond this initial point of agreement, the data diverges, as you can see in the chart below — that is, except for a few main points.

Facebook is still posting overall user gains in the US if you look past month-to-month changes, but it is doing so more slowly than it has in previous years as it nears saturation in the market.

Nielsen

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