WordPress version 3.3.*
http://codex.wordpress.org/Version_3.3
Content Management System
Get access to data on 331,917 websites WordPress 3.3 Customers. We know of 11,577 live websites using WordPress 3.3 and an additional 320,340 sites that used WordPress 3.3 historically and 4,678 websites in the United States.
WordPress 3.3 websites that are also using other technologies.
Get a list of 331,917 websites using WordPress 3.3 which includes location information, hosting data, contact details, 11,577 currently live websites and an additional 2,888 domains that redirect to sites in this list. 320,340 sites that used this technology previouslyand 4,678 websites in the United States currently using WordPress 3.3.
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