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Resource Hints: dns-prefetch

Gives a hint to the browser to perform a DNS lookup in the background to improve performance. It is denoted by <link rel= dns-prefetch href= https://example.com/ >

Last updated on : 2023-03-20

Browser Versions

Edge

Firefox

Chrome

Safari

Opera

5.5 - 8

9 - 9

10 - 11

12 - 111

2 - 3

3.6 - 113

4 - 114

3.2 - 4

5.1 - 16.4

9.5 - 12.1

15 - 95

Fully Supported

Partially

No Support

Browser Compatibility

Resource Hints: dns-prefetch on IE is fully supported on 10-11, partially supported on 9-9, and not supported on 5.5-8 IE versions.

Resource Hints: dns-prefetch on Edge is fully supported on all Edge versions.

Resource Hints: dns-prefetch on Firefox is partially supported on 3.6-113, and not supported on 2-3 Firefox versions.

Resource Hints: dns-prefetch on Chrome is fully supported on all Chrome versions.

Resource Hints: dns-prefetch on Safari is fully supported on 5.1-16.4, and not supported on 3.2-4 Safari versions.

Resource Hints: dns-prefetch on Opera is fully supported on 15-95, and not supported on 9.5-12.1 Opera versions.

Resource Hints: dns-prefetch on Safari on iOS support is currently unknown.

Resource Hints: dns-prefetch on Android Browser support is currently unknown.

Resource Hints: dns-prefetch on Opera Mobile is fully supported on all Opera Mobile versions.

Resource Hints: dns-prefetch on Chrome for Android is fully supported on all Chrome for Android versions.

Resource Hints: dns-prefetch on Firefox for Android is fully supported on all Firefox for Android versions.

Resource Hints: dns-prefetch on Samsung Internet is fully supported on all Samsung Internet versions.

Browser Support for Resource Hints: dns-prefetch

Resource Hints: dns-prefetch on Chrome

Resource Hints: dns-prefetch on Safari

Resource Hints: dns-prefetch on Firefox

Resource Hints: dns-prefetch on Internet Explorer

Resource Hints: dns-prefetch on Opera

Resource Hints: dns-prefetch on Edge

References

Data sourced from

High

Overall Browser Compatibility Score

Note:Resource Hints: dns-prefetch shows a browser compatibility score of 83. 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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