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-Control 41,260
Percentage of websites that use X-DNS-Prefetch-Control header <0.1%
Total discovered header values 8
Header uses directives Yes
Header values are unique or random No
Most popular in the country United States of America

X-DNS-Prefetch-Control Directives (2 total)

  • off
  • on

X-DNS-Prefetch-Control Directives

X-DNS-Prefetch-Control directives value information and usage statistics

Directive Share Websites count Unique Values
off 28.53% 11,773 1
on 9.09% 3,750 1

Distribution by websites popularity

X-DNS-Prefetch-Control detection in the top websites by popularity

Top 10k sites 181 websites
Top 100k sites 441 websites
Top 1m sites 2,332 websites

Websites utilizing X-DNS-Prefetch-Control

List of websites that use X-DNS-Prefetch-Control header

Domain Country Rank Contacts
stackoverflow.com United States of America 63
www.deviantart.com United States of America 115
www.xing.com Germany 217
trello.com United States of America 252
www.binance.com United States of America 285
www.target.com United States of America 294
See full domain list
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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 value Value prevalence
off 74.17%
on 25.76%
: off 0.05%
on; 0.00%
false 0.00%
no 0.00%
off, off 0.00%
true 0.00%