Grade a web page A-F on HTTP security headers (HSTS, CSP, framing, nosniff, Referrer-Policy, Permissions-Policy, cookie flags, version leakage, http->https redirect) with the value and a concrete fix per check.
| Network | Scheme | Amount | Pay To |
|---|---|---|---|
| Base | exact | $0.005000 USDC | 0x9287...0f17 |