Strict-Transport-Secutity

HTTP response header

Header usage statistics

Strict-Transport-Secutity response header information and usage statistics.
Websites using header Strict-Transport-Secutity9
Percentage of websites that use Strict-Transport-Secutity header<0.1%
Total discovered header values2
Header uses directivesNo
Header values are unique or randomNo
Most popular in the country Italy

Strict-Transport-Secutity Directives

Strict-Transport-Secutity directives value information and usage statistics
DirectiveShareWebsites countUnique Values

Strict-Transport-Secutity header usage distribution by website rank



Geographical Distribution

Header usage distribution by websites across the globe.



Websites utilizing Strict-Transport-Secutity

List of websites that use Strict-Transport-Secutity header
DomainCountryRankContacts
assistenza.agenziaentrate.gov.it Italy317,032
assistenza.adm.gov.it Italy912,455
assistenzaonlineaams.agenziadoganemonopoli.gov.it Italy917,940
assistenzaipocat.agenziaentrate.gov.it Italy3,249,192
falstaff.km.adm.gov.it Italy3,391,167
falstaff.km.agenziadogane.it Italy4,760,754
See full domain list

Common header values

List of top common Strict-Transport-Secutity header values
Header valueValue prevalence
max-age=31536000; includeSubdomains77.78%
max-age=48022.22%