What does the HSTS Check tool check?
Returns HSTS max-age, includeSubDomains, preload signal, and readiness guidance.
Website security tools
HSTS Readiness Checker
Check whether a website sends a practical Strict-Transport-Security policy for HTTPS enforcement.
Waiting for input
Returns HSTS max-age, includeSubDomains, preload signal, and readiness guidance.
Run a public check to understand the symptom before deeper troubleshooting.
What this tool checks
Returns HSTS max-age, includeSubDomains, preload signal, and readiness guidance.
Built for practical checks
Use it when someone asks:
hsts checkerstrict transport security checkerhsts preload readiness
Answer block
What this tool tells you and when to escalate
When should I use the HSTS Check tool?
Use it when you need a quick public signal for hsts checker, strict transport security checker, hsts preload readiness before deeper troubleshooting.
When should this become a service request?
If the result affects users, email delivery, security exposure, firewall access, or a client requirement, route it to Penetration Testing.
From tool result to fix
Harden HTTPS transport policy
A public tool can show the symptom. QuantumCrafters Studio can help validate the root cause, document the change, and turn it into a managed service, network security, cloud, or penetration testing workflow.