Comparison
ZeriFlow vs SecurityHeaders.com
SecurityHeaders.com is the fastest way to check your HTTP response headers — and it does that one thing well. ZeriFlow covers 80+ checks across 12 categories including TLS, DNS, email authentication, cookies, and source code. Different tools for different levels of coverage.
Feature Comparison
| Feature | ZeriFlow | SecurityHeaders.com |
|---|---|---|
| Checks | 80+ across 12 categories | 7 HTTP headers only |
| Scoring | /100 with discrimination curve | Letter grade (A+ to F) |
| TLS analysis | Full (10 checks) | Not included |
| DNS / Email | SPF / DKIM / DMARC | Not included |
| Cookies | 6 checks | Not included |
| Source code scan | ZIP + GitHub | Not available |
| AI explanations | Per finding | Not available |
| History & tracking | Dashboard | No account needed |
| Free tier | 3 scans / day | Unlimited (headers only) |
| Pricing | From €9.99 / mo | Free |
When to Use Each Tool
Use SecurityHeaders.com when...
- You need a fast, zero-friction header check with no account
- You want to verify a specific response header is present
- Header coverage only is sufficient for your use case
- You scan infrequently and do not need historical tracking
Use ZeriFlow when...
- You want a full security audit beyond HTTP headers
- You need TLS configuration, DNS security, and email authentication covered
- You want cookie security checks alongside headers
- You manage multiple sites and need dashboard history
- You want AI-powered explanations and fix recommendations
- You need CI/CD integration or source code analysis