Audit a website's HTTP security headers — detect missing or misconfigured protections
Headers are fetched via multiple CORS proxies (tried in sequence). corsproxy.io passes through actual server response headers — results closest to what real browsers see.
Fetching headers…
⚠ Fetch Failed
All CORS proxies were blocked or returned no content for this URL. This usually happens when the target:
· Blocks known proxy IP ranges (Cloudflare WAF, etc.)
· Requires JavaScript rendering
· Is behind authentication
Error:
Security Headers Analysis
All Response Headers
Need a full web application security review and hardening assessment?