No Market Share movement for WP Cache yet sorry.
Get a list of 17,188 websites using WP Cache which includes location information, hosting data, contact details, 3,426 currently live websites
which includes 339 domains that redirect to sites in the list. 14,101 sites that used this technology previously and 2,626 websites in the United States currently using WP Cache.
Distribution of locations of all WP Cache customers we've ever tracked.