unset

HTTP response header

Header usage statistics

unset response header information and usage statistics.
Websites using header unset153
Percentage of websites that use unset header<0.1%
Total discovered header values9
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country Germany

unset Directives

unset directives value information and usage statistics
DirectiveShareWebsites countUnique Values

unset header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing unset

List of websites that use unset header
DomainCountryRankContacts
nominet.uk GB2,484
www.nominet.uk GB2,484
nominet.org.uk GB6,730
registrars.nominet.uk GB33,913
theukdomain.uk GB39,139
ourhomeonline.wales GB121,679
See full domain list

Common header values

List of top common unset header values
Header valueValue prevalence
Last-Modified70.59%
X-Powered-By16.99%
Strict-Transport-Security5.23%
server1.96%
Cookie1.31%
ETag1.31%
sourcecode1.31%
Public-Key-Pins0.65%
X-Forwarded-Host0.65%