WebSocket

Read More at MDN DocsView Spec

Safe to Use

WebSocket is considered safe to use.

It’s supported by 94% of global browsers.

Browsers

ChromeMay 25, 2010v5.0.0
26%100%
100% of Chrome users are running a supported version.
SafariJun 7, 2010v5.0.0
5%100%
100% of Safari users are running a supported version.
EdgeJul 28, 2015v12.0.0
5%100%
100% of Edge users are running a supported version.
FirefoxMar 13, 2012v11.0.0
3%100%
100% of Firefox users are running a supported version.

Version Breakdown

 
Agent
Support
Adoption
Chrome
May 25, 2010 v5.0.0
26%100%
100% of Chrome users are running a supported version.
May 25, 2010 – Latest
v5.0.0+
26%100%

Full Support

Chrome Android
Jun 27, 2012 v18.0.0
36%100%
100% of Chrome Android users are running a supported version.
Jun 27, 2012 – Latest
v18.0.0+
36%100%

Full Support

Deno
Sep 13, 2020 v1.4.0
Deno supports this feature.
Sep 13, 2020 – Latest
v1.4.0+

Full Support

Edge
Jul 28, 2015 v12.0.0
5%100%
100% of Edge users are running a supported version.
Jul 28, 2015 – Latest
v12.0.0+
5%100%

Full Support

Firefox
Mar 13, 2012 v11.0.0
3%100%
100% of Firefox users are running a supported version.
Mar 13, 2012 – Latest
v11.0.0+
3%100%

Full Support

Sep 27, 2011 – Mar 13, 2012
v7.0.0 – v11.0.0

Implemented with the vendor prefix: Moz

Message size limited to 16 MB (see bug 711205).

Firefox for Android
Jun 26, 2012 v14.0.0
Firefox for Android supports this feature.
Jun 26, 2012 – Latest
v14.0.0+

Full Support

Sep 27, 2011 – Jun 26, 2012
v7.0.0 – v14.0.0

Implemented with the vendor prefix: Moz

Message size limited to 16 MB (see bug 711205).

Internet Explorer
Oct 26, 2012 v10.0.0
0%83%
There are no users of Internet Explorer running a supported version.
Oct 26, 2012 – Latest
v10.0.0+
0%83%

Full Support

 
Quest Browser
Unknown v5.0.0
Quest Browser supports this feature.
Unknown
v5.0.0+

Full Support

Opera
Nov 20, 2012 v12.1.0
1%100%
100% of Opera users are running a supported version.
Nov 20, 2012 – Latest
v12.1.0+
1%100%

Full Support

Opera Android
Oct 9, 2012 v12.1.0
Opera Android supports this feature.
Oct 9, 2012 – Latest
v12.1.0+

Full Support

Safari
Jun 7, 2010 v5.0.0
5%100%
100% of Safari users are running a supported version.
Jun 7, 2010 – Latest
v5.0.0+
5%100%

Full Support

Safari on iOS
Nov 22, 2010 v4.2.0
17%100%
100% of Safari on iOS users are running a supported version.
Nov 22, 2010 – Latest
v4.2.0+
17%100%

Full Support

Samsung Internet
Apr 27, 2013 v1.0.0
2%100%
100% of Samsung Internet users are running a supported version.
Apr 27, 2013 – Latest
v1.0.0+
2%100%

Full Support

WebView Android
Dec 9, 2013 v4.4.0
WebView Android supports this feature.
Dec 9, 2013 – Latest
v4.4.0+

Full Support

See Also

Contribute