SockJS is a browser JavaScript library that provides a WebSocket-like object.
https://sockjs.org
JavaScript Libraries and Functions · Framework
Get access to data on 70,806 websites that are SockJS Customers. We know of 10,477 live websites using SockJS and an additional 60,329 sites that used SockJS historically and 5,875 websites in the United States.
Get a list of 70,806 websites using SockJS which includes location information, hosting data, contact details, 10,477 currently live websites and an additional 13,534 domains that redirect to sites in this list. 60,329 sites that used this technology previouslyand 5,875 websites in the United States currently using SockJS.
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