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 582,921 websites that are Rack Cache Customers. We know of 98,160 live websites using Rack Cache and an additional 484,761 sites that used Rack Cache historically and 69,927 websites in the United States.
Get a list of 582,921 websites using Rack Cache which includes location information, hosting data, contact details, 98,160 currently live websites and an additional 158,718 domains that redirect to sites in this list. 484,761 sites that used this technology previouslyand 69,927 websites in the United States currently using Rack Cache.
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