Dev.to
6/23/2026

We Scanned 10 Shopify Agency Websites. Here Is What We Found.
Short summary
Audit of 10 Shopify agency websites found critical security gaps: missing HSTS on 6 sites, weak CSP headers on 9, and one session cookie vulnerability. Best performer scored A with properly configured headers and two-year HSTS; most others scored C or below. Key fixes: enable HSTS, add security headers, strengthen CSP in report-only mode.
- •6 of 10 agencies missing HSTS entirely; only those with HSTS scored B or above
- •9 of 10 have weak or missing CSP headers; 1 session cookie lacks Secure flag
- •Simple configuration fixes (headers, HSTS, CSP) can improve security posture in an afternoon
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