x-4fna

HTTP response header

Header usage statistics

x-4fna response header information and usage statistics.
Websites using header x-4fna32
Percentage of websites that use x-4fna header<0.1%
Total discovered header values2
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country Russia

x-4fna Directives

x-4fna directives value information and usage statistics
DirectiveShareWebsites countUnique Values

x-4fna header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing x-4fna

List of websites that use x-4fna header
DomainCountryRankContacts
www.rt.com Russia5,936
russian.rt.com Russia16,755
actualidad.rt.com Russia48,508
www.rbth.com Russia49,947
de.rt.com Russia101,794
arabic.rt.com Russia102,295
See full domain list

Common header values

List of top common x-4fna header values
Header valueValue prevalence
7brfna78.13%
3brfna21.88%