Offline JS Usage Statistics

Offline.js is a library to automatically alert your users when they've lost internet connectivity, like Gmail.

http://github.hubspot.com/offline/docs/welcome/

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Offline JS Customers

Get access to data on 2,328 websites that are Offline JS Customers. We know of 983 live websites using Offline JS and an additional 1,345 sites that used Offline JS historically and 592 websites in the United States.