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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 : 2026-02-09
Browser Versions
IE
Edge
Firefox
Chrome
Safari
Opera
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 79-144, 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 46-147, 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 33-125, 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 97-144, 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 EdgeReferences
Data sourced from
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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