zxcvbn is a JavaScript password strength estimation library.
https://github.com/lowe/zxcvbn
JavaScript Libraries and Functions
Get access to data on 47,055 websites that are Zxcvbn Customers. We know of 12,516 live websites using Zxcvbn and an additional 34,539 sites that used Zxcvbn historically and 4,871 websites in the United States.
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Get a list of 47,055 websites using Zxcvbn which includes location information, hosting data, contact details, 12,516 currently live websites and an additional 50,851 domains that redirect to sites in this list. 34,539 sites that used this technology previouslyand 4,871 websites in the United States currently using Zxcvbn.
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