Insert Bad Cat Pun Here: Mountain Lion Usage Growing Quickly

After only 48 hours at market, Apple’s new Mountain Lion operating system was generating about 3 percent of all Mac Web traffic. Now, just four days later, the OS is generating traffic nearly double that.

New research provided to AllThingsD by Web tracking firm Chitika shows that as of midnight ET on July 30, Mountain Lion was generating 5.83 percent of all Mac Web traffic. That makes it Apple’s fourth most popular desktop OS after Leopard; Snow Leopard remains by far the most popular with a usage rate of 44.60 percent. It also means Mountain Lion has had the most successful Mac OS launch to date, a point recently driven home by Apple’s announcement Monday that it had been downloaded 3 million times in just four days.