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HTTP Headers & SSL Studio Pro

Complete HTTP response headers inspection, security hardening audit (HSTS, CSP, X-Frame) and SSL/TLS certificate analyzer.

⚡ HTTP Response Headers 🛡️ Security Audit (A+) 🔒 SSL/TLS Inspector ⏱️ Latency & Status
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Quick Examples:
🛡️ HTTP Security Headers Rating
Score: 0/100
🔍 Enter a URL above to run the security audit.

What are HTTP Headers and why are security headers essential?

HTTP response headers are metadata sent from the web server to the client browser on every request. They dictate caching mechanisms, MIME content types, session cookies, and vital security policies preventing XSS, Clickjacking, and data tampering.

Key Security Headers

  • Strict-Transport-Security (HSTS): Enforces encrypted HTTPS communication on all requests.
  • Content-Security-Policy (CSP): Mitigates XSS attacks by whitelisting trusted script, style, and media sources.
  • X-Frame-Options: Prevents external sites from framing your pages to stop Clickjacking attacks.
  • X-Content-Type-Options: Stops browsers from MIME-sniffing away from the declared content type.

SSL/TLS Certificate Diagnostics

Checking expiration dates, Certificate Authorities (Let's Encrypt, DigiCert, Cloudflare), and Subject Alternative Names (SANs) ensures continuous HTTPS encryption without downtime.