Security Headers Checker for One URL

Check one URL for common HTTP security headers. Review a returned A–F grade, score, and present or missing findings, with recommendations when provided.

Up to 0.07128 credits / call

The final charge is based on confirmed usage. Unused reserved credits return to your available balance.

Strale

Security Headers Checker for One URL

Check one URL for common HTTP security headers. Review a returned A–F grade, score, and present or missing findings, with recommendations when provided.

You receive

Check the security-related response headers received for one URL. The Tool can return an A–F grade and score, the response status, and headers marked present or missing; findings may include severity and a recommendation. These details describe what the checker observed for that URL.

Start with your task

Check this website address [https://example.com] for common safety settings sent when the page opens. Explain what the result means, and note that this checks only this address.

What to know

This is an automated check of one URL’s response, not a whole-site audit, certificate or malware scan, or penetration test. A grade covers the headers evaluated by this checker and does not establish overall security, compliance, or whether a vulnerability is exploitable. Responses may differ by path, redirect, client, or time; review recommendations and test configuration changes before deployment.

Questions about this tool.

Inputs, results and details to know before running it.

Get connected

The Strale capability lists HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy.