HSTS Analyzer
Strict-Transport-Security Analyzer
Analyze whether the HSTS max-age, includeSubDomains, and preload combination meets browser and preload list requirements.
Parse Summary
max-age
365d 0h
includeSubDomains
Yes
preload
Yes
Directive Count
3
HSTS structure appears to have no obvious errors
Builder
max-age=31536000; includeSubDomains; preloadJSON Preview
{
"directives": [
{
"key": "max-age",
"value": "31536000"
},
{
"key": "includesubdomains",
"value": null
},
{
"key": "preload",
"value": null
}
],
"maxAgeSeconds": 31536000,
"includeSubDomains": true,
"preload": true,
"warnings": []
}