Resource Hints: dns-prefetch

- WD

Gives a hint to the browser to perform a DNS lookup in the background to improve performance. This is indicated using <link rel="dns-prefetch" href="http://example-domain.com/">

IE

  1. 5.5 - 8
  2. 9
  3. 10
  4. 11

Edge

  1. 12 - 81
  2. 83

Firefox

  1. 2 - 3
  2. 3.5 - 75
  3. 76
  4. 77 - 78

Chrome

  1. 4 - 81
  2. 83
  3. 84 - 86

Safari

  1. 3.1 - 4
  2. 5 - 13
  3. 13.1
  4. TP

Opera

  1. 9 - 12.1
  2. 15 - 67
  3. 68

iOS Safari

  1. 3.2 - 13.3
  2. 13.4

Opera Mini

  1. all

Android Browser

  1. 2.1 - 4.4.4
  2. 81

Blackberry Browser

  1. 7
  2. 10

Opera Mobile

  1. 10 - 12.1
  2. 46

Chrome for Android

  1. 81

Firefox for Android

  1. 68

IE Mobile

  1. 10
  2. 11

UC Browser for Android

  1. 12.12

Samsung Internet

  1. 4
  2. 5 - 10.1
  3. 11.1

QQ Browser

  1. 10.4

Baidu Browser

  1. 7.12

KaiOS Browser

  1. 2.5
Resources:
Controlling DNS prefetching
Prerender and prefetch support
What to <link rel=dns-prefetch> and when to use `preconnect` instead