Webflow fix guide
HSTS max-age Too Short on Webflow
HSTS header is present but max-age is under 1 year. Browsers will not cache the HTTPS preference long enough for reliable protection.
Issue ID: SEC-HSTS-002Severity: minorEffort: S
Why this matters
HSTS header is present but max-age is under 1 year. Browsers will not cache the HTTPS preference long enough for reliable protection. This affects browser trust signals and whether visitors feel safe submitting contact details.
Webflow fix path
How to fix this on Webflow
Use page settings, Designer, or project settings.
- 1Locate the element or setting causing the issue.
- 2Update it in Webflow.
- 3Publish and validate the output.
After you fix it
- ✓Check that max-age is at least 31536000
Same fix, other platforms
Fix hsts max-age too short on a different CMS
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