WP Super Cache is a page cache generation tool for WordPress.
https://wordpress.org/extend/plugins/wp-super-cache/
Widgets · WordPress Plugins
Get access to data on 3,889,913 websites that are WP Super Cache Customers. We know of 882,066 live websites using WP Super Cache and an additional 3,007,847 sites that used WP Super Cache historically and 331,256 websites in the United States.
Get a list of 3,889,913 websites using WP Super Cache which includes location information, hosting data, contact details, 882,066 currently live websites and an additional 522,260 domains that redirect to sites in this list. 3,007,847 sites that used this technology previouslyand 331,256 websites in the United States currently using WP Super Cache.
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