Security headers for nextjs.org

Security headers summary for nextjs.org

This page validates the HTTP security headers returned by nextjs.org, scoring its protection against common web attacks.

Below you can review which headers nextjs.org sends, which are missing, and recommendations to harden the configuration.

What are HTTP security headers?

HTTP security headers are response headers that instruct the browser to apply protective policies, mitigating attacks such as XSS, clickjacking and content sniffing.

Key headers include Content-Security-Policy (CSP), Strict-Transport-Security (HSTS), X-Frame-Options, X-Content-Type-Options and Referrer-Policy.

How to interpret the headers of nextjs.org

A higher score means nextjs.org sends more of the recommended security headers with secure values. Missing headers are highlighted so you know what to add.

Focus first on CSP and HSTS for nextjs.org, as they provide the strongest protection against scripting and downgrade attacks.

Use cases

  • Audit the security headers of nextjs.org before or after a deploy.
  • Identify missing headers that increase attack risk on nextjs.org.
  • Verify that nextjs.org enforces HTTPS with HSTS.
  • Support hardening reports and security reviews for nextjs.org.

Frequently asked questions

Which security headers does nextjs.org use?

This page lists the HTTP security headers present on nextjs.org, such as CSP, HSTS, X-Frame-Options and X-Content-Type-Options, along with their values.

Does nextjs.org have a Content-Security-Policy?

The results show whether nextjs.org sends a Content-Security-Policy header and whether its value is considered secure.

Does nextjs.org enforce HTTPS with HSTS?

The Strict-Transport-Security section indicates whether nextjs.org forces HTTPS and for how long, including includeSubDomains and preload flags.

Why does nextjs.org have a low security score?

A low score means nextjs.org is missing important headers or sends insecure values. The missing-headers and recommendations sections explain how to improve it.

Is the security headers check for nextjs.org free?

Yes. The XploreNetHub Security Headers Validator is completely free, requires no sign-up and runs directly in your browser.

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