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 3,921,507 websites that are WP Super Cache Customers. We know of 867,807 live websites using WP Super Cache and an additional 3,053,700 sites that used WP Super Cache historically and 326,598 websites in the United States.
Get a list of 3,921,507 websites using WP Super Cache which includes location information, hosting data, contact details, 867,807 currently live websites and an additional 511,316 domains that redirect to sites in this list. 3,053,700 sites that used this technology previouslyand 326,598 websites in the United States currently using WP Super Cache.
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