Rack::Cache is a component to enable HTTP caching for Rack-based applications such as Rails.
http://rtomayko.github.com/rack-cache/
Web Servers
Get access to data on 606,527 websites that are Rack Cache Customers. We know of 100,121 live websites using Rack Cache and an additional 506,406 sites that used Rack Cache historically and 71,187 websites in the United States.
Get a list of 606,527 websites using Rack Cache which includes location information, hosting data, contact details, 100,121 currently live websites and an additional 163,361 domains that redirect to sites in this list. 506,406 sites that used this technology previouslyand 71,187 websites in the United States currently using Rack Cache.
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