alertify.js is a browser dialog alerting system.
http://fabien-d.github.io/alertify.js/
JavaScript Libraries and Functions · UI
Get access to data on 51,807 websites that are Alertify JS Customers. We know of 19,309 live websites using Alertify JS and an additional 32,498 sites that used Alertify JS historically and 11,802 websites in the United States.
Get a list of 51,807 websites using Alertify JS which includes location information, hosting data, contact details, 19,309 currently live websites and an additional 17,257 domains that redirect to sites in this list. 32,498 sites that used this technology previously and 11,802 websites in the United States currently using Alertify JS.