WordPress version 4.0.*
http://codex.wordpress.org/Version_4.0
Content Management System
Get access to data on 1,866,416 websites WordPress 4.0 Customers. We know of 25,813 live websites using WordPress 4.0 and an additional 1,840,603 sites that used WordPress 4.0 historically and 9,774 websites in the United States.
WordPress 4.0 websites that are also using other technologies.
Get a list of 1,866,416 websites using WordPress 4.0 which includes location information, hosting data, contact details, 25,813 currently live websites and an additional 7,930 domains that redirect to sites in this list. 1,840,603 sites that used this technology previouslyand 9,774 websites in the United States currently using WordPress 4.0.
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