The Plateau Remains Supreme – April Unique Visits Just +1.07% (Overall -18.11%*)

This is a monthly series that looks at visitor data for all the major social networks as calculated by Compete is USA-biased, and certainly in the case of Twitter the visitor numbers are distorted by the openness of Twitter’s API and the numerous Twitter software clients, but on a like-for-like basis the numerics have value and warrant investigation. Please refer to previous installments in this series for a more detailed overview.

New visitors to rose by just +1.07% for the month of April for a total of 21,514,898, with overall visits to the site falling by an eyebrow-raising -18.11% (147,418,997).

Twitter Unique Visitors (April 2010)

Twitter Overall Visitors (April 2010)

* Month-on-month, overall visits to the site are down some 33 million. We might have to take this with a pinch – Compete, who seem to be getting slower-and-slower to release data each and every month, had overall visits to Twitter for March at 161,903,421 the last time I wrote this report, and they’ve now changed this number to 180 million. If the former is correct, it’s still a pretty big drop, although nowhere near as serious.

However, has clearly reached a ceiling that requires something special to break through – possibly the extra functionality that @al3x hinted at before he moved on to pastures new.

Or, perhaps this is the beginning of a ‘topping-out’ process that could see more users – new and established – moving away from the Twitter home page towards desktop and mobile clients in greater numbers? The sharp decline in visits this month would indicate that this is already happening for veterans.

One wonders how many of these old-hands the iPhone – and possibly the official Twitter for iPhone app – have picked up and converted.

Meanwhile, Facebook added 2.53% of new visitors (135,375,036 visits) and +15.70% overall (3,165,316,934), which obviously contrasts sharply with Twitter.

Facebook Unique Visitors (April 2010)

Facebook Overall Visitors (April 2010)

We’ll have to look at next month’s data to see the full picture for Facebook, but at the moment it would appear that not only are people not leaving the network over privacy concerns – they’re actually more eager to sign up.