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Webflow fix guide

Missing X-Content-Type-Options Header on Webflow

Without X-Content-Type-Options: nosniff, browsers may MIME-sniff responses away from the declared content type, enabling attacks.

Issue ID: SEC-XCTO-001Severity: moderateEffort: S

Why this matters

Without X-Content-Type-Options: nosniff, browsers may MIME-sniff responses away from the declared content type, enabling attacks. 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.

  1. 1Locate the element or setting causing the issue.
  2. 2Update it in Webflow.
  3. 3Publish and validate the output.

After you fix it

  • Check response headers for X-Content-Type-Options: nosniff

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