Raven.js
55,849 websites

Raven.js is free to use

https://github.com/getsentry/raven-js

Raven.js is a JavaScript client for Sentry, used to capture errors on web pages and report them to a remote server for monitoring.

VS

SocketIO
21,541 websites

SocketIO is free to use

http://socket.io/

Socket.IO aims to make realtime apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms. It's care-free realtime 100% in JavaScript.

Market Share by Top Websites

1 Raven.js is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, SocketIO is clearly lagging behind, losing to Raven.js in all segments.

Websites Categories

1 Raven.js has better usage coverage in more websites categories. Including Computers Electronics & Technology, Travel & Tourism, Science & Education, Finance and 19 other categories.

2 SocketIO is leading in Adult.

Geography

1 Raven.js is leading in most countries, including United States, Russia, United Kingdom, China and 123 other countries.

2 SocketIO is leading in South Korea, Vietnam, Indonesia, Thailand and 26 other countries.