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. | |
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Websites using header x-dns-prefetch-control | 311,884 |
Percentage of websites that use x-dns-prefetch-control header | 0.38% |
Total discovered header values | 13 |
Header uses directives | Yes |
Header values are unique or random | No |
Most popular in the country | United States |
x-dns-prefetch-control directives (2 total)