HSTS Preload Checker
Check whether a site's Strict-Transport-Security header qualifies for submission to the browser HSTS preload list: HTTPS only, max-age of at least one year, includeSubDomains, and the preload directive.
Check whether a site's Strict-Transport-Security header qualifies for submission to the browser HSTS preload list: HTTPS only, max-age of at least one year, includeSubDomains, and the preload directive.