Server-sent events

Last updated on : 2022-04-10

Note:
Server-sent events shows a browser compatibility score of 88. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.

Overview

EventSource is an interface that exposes events from a server to the browser as they occur. It allows developers to push data to the browser as it happens, in real-time.

Browser Compatibility

  • Server-sent events on IE is fully supported on None of the versions, partially supported on None of the versions, and not supported on 5.5-11 IE versions.
  • Server-sent events on Edge is fully supported on 79-99, partially supported on None of the versions, and not supported on 12-18 Edge versions.
  • Server-sent events on Firefox is fully supported on 6-100, partially supported on None of the versions, and not supported on 2-5 Firefox versions.
  • Server-sent events on Chrome is fully supported on 6-103, partially supported on None of the versions, and not supported on 4-5 Chrome versions.
  • Server-sent events on Safari is fully supported on 5.1-15.4, partially supported on None of the versions, and not supported on 3.2-4 Safari versions.
  • Server-sent events on Opera is fully supported on 11-83, partially supported on 9.5-10.5, and not supported on below 9.5 Opera versions.
  • Server-sent events on Safari on iOS is fully supported on 4.2-15.4, partially supported on None of the versions, and not supported on 3.2-3.2 Safari on iOS versions.
  • Server-sent events on Android Browser is fully supported on 4.4-99, partially supported on None of the versions, and not supported on 2.3-4 Android Browser versions.
  • Server-sent events on Opera Mobile is fully supported on 11.5-64, partially supported on 10-11, and not supported on below 10 Opera Mobile versions.
  • Server-sent events on Chrome for Android is fully supported on 97-100, partially supported on None of the versions, and not supported on below 97 Chrome for Android versions.
  • Server-sent events on Firefox for Android is fully supported on 95-98, partially supported on None of the versions, and not supported on below 95 Firefox for Android versions.
  • Server-sent events on Samsung Internet is fully supported on 4-16, partially supported on None of the versions, and not supported on below 4 Samsung Internet versions.
88
Hightooltip

Browser Compatibility Score

Chrome IE
Low

Browser Support For IE Versions

-
Fully
-
Partially
5.5-11
No Support
Chrome Edge
High

Browser Support For Edge Versions

79-99
Fully
-
Partially
12-18
No Support
Chrome Firefox
High

Browser Support For Firefox Versions

6-100
Fully
-
Partially
2-5
No Support
Chrome Chrome
High

Browser Support For Chrome Versions

6-103
Fully
-
Partially
4-5
No Support
Chrome Safari
High

Browser Support For Safari Versions

5.1-15.4
Fully
-
Partially
3.2-4
No Support
Chrome Opera
High

Browser Support For Opera Versions

11-83
Fully
9.5-10.5
Partially
-
No Support
Chrome Safari on iOS
High

Browser Support For Safari on iOS Versions

4.2-15.4
Fully
-
Partially
3.2-3.2
No Support
Chrome Android Browser
Medium

Browser Support For Android Browser Versions

4.4-99
Fully
-
Partially
2.3-4
No Support
Chrome Opera Mobile
High

Browser Support For Opera Mobile Versions

11.5-64
Fully
10-11
Partially
-
No Support
Chrome Chrome for Android
High

Browser Support For Chrome for Android Versions

97-100
Fully
-
Partially
-
No Support
Chrome Firefox for Android
High

Browser Support For Firefox for Android Versions

95-98
Fully
-
Partially
-
No Support
Chrome Samsung Internet
High

Browser Support For Samsung Internet Versions

4-16
Fully
-
Partially
-
No Support

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Last Modified date

2022-04-10

Browser Support for Server-sent events

  • ChromeChrome
  • Safari Safari
  • Firefox Firefox
  • IE Internet Explorer
  • Opera Opera
  • Edge Edge

References


Data sourced from

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Sarah

I hope we're able to help you build browser compatible web experience.

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Sarah Elson (Product & Growth Lead)