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Client Hints: DPR, Width, Viewport-Width

DPR, Width, and Viewport-Width hints allow proactive content negotiation between client and server. This enables streamlined delivery of appropriate web assets.

Last updated on : 2025-11-11

Browser Versions

Edge

Firefox

Chrome

Safari

Opera

5.5 - 11

12 - 18

79 - 142

2 - 147

4 - 45

46 - 145

3.2 - 26.2

9.5 - 32

33 - 122

Fully Supported

Partially

No Support

Browser Compatibility

Client Hints: DPR, Width, Viewport-Width on IE is not supported on any IE versions.

Client Hints: DPR, Width, Viewport-Width on Edge is fully supported on 79-142, and not supported on 12-18 Edge versions.

Client Hints: DPR, Width, Viewport-Width on Firefox is not supported on any Firefox versions.

Client Hints: DPR, Width, Viewport-Width on Chrome is fully supported on 46-145, and not supported on 4-45 Chrome versions.

Client Hints: DPR, Width, Viewport-Width on Safari is not supported on any Safari versions.

Client Hints: DPR, Width, Viewport-Width on Opera is fully supported on 33-122, and not supported on 9.5-32 Opera versions.

Client Hints: DPR, Width, Viewport-Width on Safari on iOS is not supported on any Safari on iOS versions.

Client Hints: DPR, Width, Viewport-Width on Android Browser is fully supported on 97-142, and not supported on 2.3-4 Android Browser versions.

Client Hints: DPR, Width, Viewport-Width on Opera Mobile is fully supported on 64-80, and not supported on 10-12 Opera Mobile versions.

Client Hints: DPR, Width, Viewport-Width on Chrome for Android is fully supported on all Chrome for Android versions.

Client Hints: DPR, Width, Viewport-Width on Firefox for Android is not supported on any Firefox for Android versions.

Client Hints: DPR, Width, Viewport-Width on Samsung Internet is fully supported on 5-29, and not supported on 4-4 Samsung Internet versions.

Browser Support for Client Hints: DPR, Width, Viewport-Width

Client Hints: DPR, Width, Viewport-Width on Chrome

Client Hints: DPR, Width, Viewport-Width on Safari

Client Hints: DPR, Width, Viewport-Width on Firefox

Client Hints: DPR, Width, Viewport-Width on Internet Explorer

Client Hints: DPR, Width, Viewport-Width on Opera

Client Hints: DPR, Width, Viewport-Width on Edge

References

Data sourced from

Medium

Overall Browser Compatibility Score

Note:Client Hints: DPR, Width, Viewport-Width 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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