HTTP response header

Header usage statistics

ref response header information and usage statistics.

Websites using header ref2,634
Percentage of websites that use ref header<0.1%
Total discovered header values1
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country US

ref Directives

ref directives value information and usage statistics

DirectiveShareWebsites countUnique Values

Distribution by websites popularity

ref detection in the top websites by popularity

Top 10k sites0 websites
Top 100k sites0 websites
Top 1m sites0 websites

Websites utilizing ref

List of websites that use ref header

DomainCountryRankContacts US1,790,488 US2,470,558 US2,866,496 US3,478,400 US3,612,765 US3,892,261
See full domain list
Flat price per the report, subscription is not required.

Geographical Distribution

Header usage distribution by websites across the globe.

Common header values

List of top common ref header values

Header valueValue prevalence