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Socket.IO vs Zepto.js: who uses which

Socket.IO is on more sites: 11,013 against 3,804 for Zepto.js, about 2.9 times as many. Here's how they compare across the websites we've indexed, and where each one does best.

Where each one is used

DomainSocket.IOZepto.js
.com on .com4,7482,099
.br in Brazil74023
.net on .net558200
.cn on .cn58457
.org on .org37683
.ru on .ru28550
.de in Germany13789
.in in India1769

5 sites run both at once.

Questions

Which is more popular, Socket.IO or Zepto.js?

Socket.IO is on more sites: 11,013 against 3,804 for Zepto.js, about 2.9 times as many, across the sites StackGrep has indexed.

Do sites use Socket.IO and Zepto.js together?

5 sites load both. That's often a switch in progress, or two teams picking different tools.

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