Shopify fix guide
Missing HSTS Header on Shopify
HTTP Strict-Transport-Security is not set. Users can be downgraded to insecure HTTP connections via man-in-the-middle attacks.
Issue ID: SEC-HSTS-001Severity: majorEffort: S
Why this matters
HTTP Strict-Transport-Security is not set. Users can be downgraded to insecure HTTP connections via man-in-the-middle attacks. This affects browser trust signals and whether visitors feel safe submitting contact details.
Shopify fix path
How to fix this on Shopify
Use theme settings, page settings, or theme code.
- 1Find the source of the issue in Shopify admin.
- 2Apply the change.
- 3Preview and publish.
After you fix it
- ✓Check response headers for Strict-Transport-Security with curl -I or browser DevTools
Same fix, other platforms
Fix missing hsts header on a different CMS
Other fixes
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