Realtime Tools

1. Socket.IO runs on more than half of the sites using a realtime tool (70%), 2.7 times as many sites as Pusher.
2. Only 3 of the 24 realtime tools we track run on more than 1% of these sites.
3. Among sites launched in September, Cloudflare Realtime rose to #8 from #10 in August.

#	Movement	Tool	Country	Share	Bar	Sites	90 days
1	–	Socket.IO Realtime bidirectional communication library for Node.js and browsers, often used for chat and live updates.		70%		16,457
2	–	Pusher Real-time WebSocket and pub/sub messaging API.		26%		6,116
3	–	SignalR ASP.NET real-time client library for WebSocket-based server-to-client messaging.		1.3%		311
4	–	Ably Ably real-time messaging and WebSocket platform		0.8%		197
5	–	S STOMP.js JavaScript client library for the STOMP messaging protocol over WebSockets.		0.5%		119
6	▲1	S SockJS		0.4%		83
7	▼1	Laravel Reverb WebSocket server for Laravel applications, providing real time broadcasting to browser and mobile clients.		0.2%		51
8	▲2	Cloudflare Realtime Managed WebRTC infrastructure for live audio, video and data sessions.		0.1%		34
9	▼2	Liveblocks Real-time collaboration API for building multiplayer experiences.		0.1%		31
10	▼1	PubNub Realtime messaging and presence platform delivering pub sub data streams to apps.		<0.1%		23

Share is of the 23,360 sites using a realtime tool; a site can use more than one. Arrows compare each tool's rank among sites launched in September with August. The line is its share of new sites over 90 days. Showing the top 10 of 24.

Watches, exports and the API give you every realtime tool and the sites using each, from £15 a month.

Other kinds of tool most often found on the same sites, leaving out the plumbing every site has (DNS, CDN, hosting).

• Analytics 433
• CSS Framework 371
• Framework 339
• Font 277
• Advertising 220
• Developer Tools 215