Description
Analyze HTTP security headers of any website. Get a grade and recommendations for CSP, HSTS, X-Frame-Options, and more.
No-Login Task
"Analyze HTTP security headers"
Editorial Review & Verification
Hands-on VerifiedInstant grading and vulnerability analysis of HTTP security headers (HSTS, CSP, X-Frame-Options, Permissions-Policy).
+ Key Strengths (Pros)
- ✓ Industry-standard A+ to F security scoring evaluating HSTS, Content-Security-Policy, Permissions-Policy, and X-Content-Type-Options
- ✓ Detailed actionable remediation guidance for missing or misconfigured headers alongside a full raw HTTP/2 response dump
- ✓ Optional 'Hide results' toggle preventing scanned target hostnames from being broadcast to the public Recent Scans feed
− Limitations (Cons)
- − Does not support scanning internal intranets, localhost domains, or authenticated API endpoints behind firewalls
Deep Privacy & Sandbox Audit & Product Power & Utility Review
Scans are dispatched as GET requests against target domains from Snyk scanning servers. Network egress from the browser is limited to Cloudflare RUM performance beacons and Google Tag Manager scripts.
Audited HTTP response headers for target site in 0 ms main thread freeze and 0.03 CLS; awarded grade A and identified missing CSP header.
- ✓ Temporary stateless processing without user profile retention
- ✓ No persistent identity linking or mandatory account creation
- ✓ Requires network connection to execute backend tasks
- ✓ Zero forced signup or login cookies required
- ✓ Operates without identity or social logins
- ✓ Standard server-side HTTP access logging applies
- ✓ Proprietary frontend and application service
- ✓ Zero-login functionality verified by NoLoginTools manual audit
- ✓ Runtime network egress and cookies verified via automated scanner
- ✓ Tool is online and accessible
- ✓ Monitored continuously by NoLoginTools automated prober
- ✓ No scheduled downtime or access gating detected
NoLogin Lab™ Verified Telemetry & Empirical Audit
Stateless execution; no user account or tracking identifier recorded on remote infrastructure.
Web browser environment operating without persistent account binding or cross-site tracking.
Functional output download verified with standard browser capabilities.
Primary operational canvas becomes interactive immediately upon URL load with zero registration intercept.
Verified authentic web utility with direct zero-login access and stable production operations.
Verification Details
Scans are dispatched as GET requests against target domains from Snyk scanning servers. Network egress from the browser is limited to Cloudflare RUM performance beacons and Google Tag Manager scripts.
Health History
FAQ
- Does Security Headers require an account?
- No. Security Headers has been verified by nologin.tools to provide its core functionality — Analyze HTTP security headers — without requiring any login or signup.
- Is Security Headers free to use?
- Security Headers is listed on nologin.tools as a tool you can use without creating an account. Check the tool's own site for details on pricing or premium features.
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