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'SameSite' cookie attribute

The Same-site cookie attribute allows a server to mitigate the risk of Cross-Site Request Forgery CSRF attacks by asserting that a particular cookie should only be sent with requests initiated from the same site.

Last updated on : 2023-03-20

Browser Versions

Edge

Firefox

Chrome

Safari

Opera

5.5 - 10

11 - 11

12 - 15

16 - 111

2 - 59

60 - 113

4 - 50

51 - 114

3.2 - 11.1

12 - 14

14.1 - 16.4

9.5 - 38

39 - 95

Fully Supported

Partially

No Support

Browser Compatibility

'SameSite' cookie attribute on IE is partially supported on 11-11, and not supported on 5.5-10 IE versions.

'SameSite' cookie attribute on Edge is fully supported on 16-111, and not supported on 12-15 Edge versions.

'SameSite' cookie attribute on Firefox is fully supported on 60-113, and not supported on 2-59 Firefox versions.

'SameSite' cookie attribute on Chrome is fully supported on 51-114, and not supported on 4-50 Chrome versions.

'SameSite' cookie attribute on Safari is fully supported on 14.1-16.4, partially supported on 12-14, and not supported on 3.2-11.1 Safari versions.

'SameSite' cookie attribute on Opera is fully supported on 39-95, and not supported on 9.5-38 Opera versions.

'SameSite' cookie attribute on Safari on iOS is fully supported on 13.2-16.4, partially supported on 12-12.2, and not supported on 3.2-11.3 Safari on iOS versions.

'SameSite' cookie attribute on Android Browser is fully supported on 97-111, and not supported on 2.1-4 Android Browser versions.

'SameSite' cookie attribute on Opera Mobile is fully supported on 64-73, and not supported on 10-12 Opera Mobile versions.

'SameSite' cookie attribute on Chrome for Android is fully supported on all Chrome for Android versions.

'SameSite' cookie attribute on Firefox for Android is fully supported on all Firefox for Android versions.

'SameSite' cookie attribute on Samsung Internet is fully supported on 5-20, and not supported on 4-4 Samsung Internet versions.

Browser Support for 'SameSite' cookie attribute

'SameSite' cookie attribute on Chrome

'SameSite' cookie attribute on Safari

'SameSite' cookie attribute on Firefox

'SameSite' cookie attribute on Internet Explorer

'SameSite' cookie attribute on Opera

'SameSite' cookie attribute on Edge

References

Data sourced from

High

Overall Browser Compatibility Score

Note:'SameSite' cookie attribute shows a browser compatibility score of 97. 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.

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