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Signed HTTP Exchanges (SXG)

Since AMP requires the document host to be the canonical document, one strategy is to use Signed HTTP Exchanges which allow a different origin server to provide a resource via a signed HTTP exchange to display the original URL in the URL bar.

Last updated on : 2023-03-20

Browser Versions

Edge

Firefox

Chrome

Safari

Opera

5.5 - 11

12 - 18

79 - 111

2 - 113

4 - 70

71 - 72

73 - 114

3.2 - 16.4

9.5 - 63

64 - 95

Fully Supported

Partially

No Support

Browser Compatibility

Signed HTTP Exchanges (SXG) on IE is not supported on any IE versions.

Signed HTTP Exchanges (SXG) on Edge is fully supported on 79-111, and not supported on 12-18 Edge versions.

Signed HTTP Exchanges (SXG) on Firefox is not supported on any Firefox versions.

Signed HTTP Exchanges (SXG) on Chrome is fully supported on 73-114, partially supported on 71-72, and not supported on 4-70 Chrome versions.

Signed HTTP Exchanges (SXG) on Safari is not supported on any Safari versions.

Signed HTTP Exchanges (SXG) on Opera is fully supported on 64-95, and not supported on 9.5-63 Opera versions.

Signed HTTP Exchanges (SXG) on Safari on iOS is not supported on any Safari on iOS versions.

Signed HTTP Exchanges (SXG) on Android Browser is fully supported on 97-111, and not supported on 2.1-4 Android Browser versions.

Signed HTTP Exchanges (SXG) on Opera Mobile is fully supported on 64-73, and not supported on 10-12 Opera Mobile versions.

Signed HTTP Exchanges (SXG) on Chrome for Android is fully supported on all Chrome for Android versions.

Signed HTTP Exchanges (SXG) on Firefox for Android is not supported on any Firefox for Android versions.

Signed HTTP Exchanges (SXG) on Samsung Internet is fully supported on 11.1-20, and not supported on 4-10.1 Samsung Internet versions.

Browser Support for Signed HTTP Exchanges (SXG)

Signed HTTP Exchanges (SXG) on Chrome

Signed HTTP Exchanges (SXG) on Safari

Signed HTTP Exchanges (SXG) on Firefox

Signed HTTP Exchanges (SXG) on Internet Explorer

Signed HTTP Exchanges (SXG) on Opera

Signed HTTP Exchanges (SXG) on Edge

References

Data sourced from

Medium

Overall Browser Compatibility Score

Note:Signed HTTP Exchanges (SXG) shows a browser compatibility score of 58. 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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