Security headers is an Astrina tool for website security and configuration. HSTS, CSP, frame options, graded. It fetches the target page from our servers and returns results in a few seconds.
How to use Security headers
- Enter the URL you want to analyse.
- Click "Run the check."
- Review the results — each item is explained.
- Fix any issues and re-run to confirm.
What Security headers is used for
Professionals working in website security and configuration use this tool to save time and catch errors before they become problems. Common use cases:
- Auditing and quality checks in website security and configuration
- Validating or converting output before deploying
- Debugging issues quickly without switching between multiple tools
- Generating boilerplate output to speed up development
Key features
- Fast: server-side analysis in seconds
- Free for most use cases — no account required for the majority of checks
- Accurate: uses the same techniques as professional SEO and security scanners
- Privacy-friendly: we do not store the content we analyse beyond the session
About this tool
This is part of Astrina's suite of 12 website security and configuration tools. All tools are available at astrina.io/utilities.
Frequently asked questions
Is Security headers free?
The tool is free to use for basic runs. Daily limits apply for server-side tools without an account; a free account raises those limits.
Do I need an Astrina account?
For most checks, no account is needed. An account is required for higher usage limits or paid features.
Can I use Security headers through the API?
Yes. This tool is available through the Astrina REST API with your API key. See /api/ for documentation.
How accurate is Security headers?
The tool uses the same techniques as professional SEO and security scanners. Results reflect what search engines and browsers actually see.
Try the Security headers now — no account required for most checks, and the result is ready in seconds.
