x-dns-prefetch-control

HTTP response header

The X-DNS-Prefetch-Control HTTP response header controls DNS prefetching a feature by which browsers proactively perform domain name resolution on both links that the user may choose to follow as well as URLs for items referenced by the document including images CSS JavaScript and so forth.

Header usage statistics

x-dns-prefetch-control response header information and usage statistics.

Websites using header x-dns-prefetch-control186,693
Percentage of websites that use x-dns-prefetch-control header0.20%
Total discovered header values13
Header uses directivesYes
Header values are unique or randomNo
Most popular in the country US

x-dns-prefetch-control directives (2 total)

  • off
  • on

x-dns-prefetch-control Directives

x-dns-prefetch-control directives value information and usage statistics

DirectiveShareWebsites countUnique Values
on61.64%115,0711
off38.36%71,6211

Distribution by websites popularity

x-dns-prefetch-control detection in the top websites by popularity

Top 10k sites153 websites
Top 100k sites1,029 websites
Top 1m sites6,357 websites

Websites utilizing x-dns-prefetch-control

List of websites that use x-dns-prefetch-control header

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Geographical Distribution

Header usage distribution by websites across the globe.






Common header values

List of top common x-dns-prefetch-control header values

Header valueValue prevalence
on61.62%
off38.35%
on;0.01%
false0.00%
: off0.00%
true0.00%
off, off0.00%
: on0.00%
content=on0.00%
no0.00%
off: off0.00%
on, on0.00%
on,on0.00%