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Security Headers Scanner: Is Your Website Protected?
Missing security headers expose your site to clickjacking, data theft, and script injection attacks. See exactly how these attacks work - then check if your site is at risk.
Your security headers are one piece of the puzzle. See where they stand, then secure every piece with WARM.
What Are HTTP Security Headers?
Security headers are instructions your website sends to browsers. They tell browsers what's allowed and what's not - like a bouncer at a club. Without them, attackers can trick visitors into clicking hidden buttons, steal login cookies, or inject malicious scripts.
Clickjacking
Attackers overlay invisible buttons on your site. Visitors think they're clicking "Like" but they're actually clicking "Transfer $1,000".
Prevented by: X-Frame-OptionsXSS Attacks
Malicious scripts run on your pages, stealing cookies, capturing keystrokes, or redirecting users to phishing sites.
Prevented by: Content-Security-PolicyHTTPS Downgrade
Attackers on public WiFi intercept your traffic by forcing the browser to use unencrypted HTTP.
Prevented by: Strict-Transport-SecurityData Leakage
Sensitive URLs (like password reset links) leak to third-party analytics and advertising scripts.
Prevented by: Referrer-PolicyHeaders Tested
8 critical HTTP security headers are scanned:
X-Frame-Options
Prevents clickjacking by blocking iframe embedding
Content-Security-Policy
Stops XSS and script injection attacks
Strict-Transport-Security
Forces HTTPS to prevent connection downgrade
X-Content-Type-Options
Blocks MIME sniffing attacks
Referrer-Policy
Prevents sensitive URL data from leaking to third parties
Permissions-Policy
Controls access to browser features like camera and microphone
Cross-Origin-Opener-Policy
Isolates your site from malicious popup windows
Cross-Origin-Resource-Policy
Controls which origins can load your resources
Scan Your Website Now
Enter your domain to see which security headers are missing and what attacks you're vulnerable to.
Free scan • No signup required • Results in seconds
How the Scanner Works
Watch the Demos
See real attacks in action with the interactive demonstrations. Toggle headers on/off to see what happens.
Scan Your Site
Enter your domain and get an instant report showing which headers are missing and your security grade.
Get Protected
Understand your vulnerabilities and get professional help implementing the right headers for your site.
Get a Professional Hardening Audit
Need help implementing security headers? Get a professional audit with specific fixes tailored to your server and framework.