Verificador de Cabeçalhos de Segurança

Verificador de Cabeçalhos de Segurança

Paste HTTP response headers to instantly analyze your site’s security posture. Checks all critical security headers, assigns an overall grade from A+ to F, and provides actionable fix recommendations with server configuration examples.

Como usar

Paste your HTTP response headers (key: value format, one per line) into the input field. The tool analyzes eight critical security headers and displays a color-coded report with an overall security grade, per-header status, and fix recommendations.

Características

• 8 Security Headers Analyzed – CSP, HSTS, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy, COOP, and COEP
• Security Grading – Overall grade from A+ to F based on header presence and configuration quality
• CSP Validation – Syntax checking and directive analysis for Content-Security-Policy headers
• HSTS Preload Check – Verifies preload eligibility (includeSubDomains, max-age requirements)
• Fix Recommendations – Actionable suggestions with nginx, Apache, and Express configuration examples
• Color-Coded Results – Green for properly configured, yellow for warnings, red for missing or misconfigured
• Header Explanations – Clear descriptions of what each header does and why it matters