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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 : 2026-02-09
Browser Versions
IE
Edge
Firefox
Chrome
Safari
Opera
Fully Supported
Partially
No Support
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 fully supported on 131-150, partially supported on 3.6-130, 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 5.1-26.3, and not supported on 3.2-4 Safari versions.
Resource Hints: dns-prefetch on Opera is fully supported on 15-125, and not supported on 9.5-12 Opera versions.
Resource Hints: dns-prefetch on Safari on iOS is fully supported on all Safari on iOS versions.
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.
Data sourced from
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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