Strict-Transport-Security HTTP response header



Strict-Transport-Security response header


"Policy


Strict-Transport-Security header statistics


Highest ranking websitewww.instagram.com
Unique header value count323
Most used header valuemax-age=106384710; includeSubDomains; preload
Websites percentage using Strict-Transport-Security19.22%


Common Strict-Transport-Security header values


Header name Header value Occurence
Strict-Transport-Securitymax-age=106384710; includeSubDomains; preload16.7%
Strict-Transport-Securitymax-age=3153600013.9%
Strict-Transport-Securitymax-age=31536000; includeSubDomains7.3%
Strict-Transport-Securitymax-age=155520006.9%
Strict-Transport-Securitymax-age=31536000; includeSubdomains; preload5.7%
Strict-Transport-Securitymax-age=155520013.7%
Strict-Transport-Securitymax-age=63072000; includeSubDomains; preload3.6%
Strict-Transport-Securitymax-age=157680003.3%
Strict-Transport-Securitymax-age=864003.3%
Strict-Transport-Securitymax-age=02.4%


Top websites that use Strict-Transport-Security header


www.instagram.comtwitter.comwww.facebook.complus.google.com
www.theguardian.comnews.yahoo.comnews.google.comwww.washingtonpost.com
www.huffingtonpost.comwww.usatoday.comwww.forbes.cominstagram.com
www.youtube.comwww.linkedin.comm.twitter.comaccounts.google.com
developers.facebook.coml.facebook.commail.yahoo.comwww.twitter.com


Usage by top level domain (TLD)


Header nameTop level domainOccurence
Strict-Transport-Securitycom26.6%
Strict-Transport-Securityorg12.5%
Strict-Transport-Securitynet1.3%
Strict-Transport-Securityio1.0%
Strict-Transport-Securityde0.8%
Strict-Transport-Securitygov0.6%
Strict-Transport-Securityedu0.4%
Strict-Transport-Securityca0.4%
Strict-Transport-Securityco.uk0.3%
Strict-Transport-Securitycom.au0.3%