Scanner Rule
HSTS Preload Eligibility
What is this?
Checks whether your HSTS header meets the requirements to join browsers' preload list for always-on HTTPS.
How Igris Radar detects it
The Igris Radar scanner automatically flags HSTS Preload Eligibility during its comprehensive audit of your web property. We simulate real-world crawlers and attack vectors to find issues before they impact your business.
Scan your site for this issue