Security headers summary for wikipedia.org
This page validates the HTTP security headers returned by wikipedia.org, scoring its protection against common web attacks.
Below you can review which headers wikipedia.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 wikipedia.org
A higher score means wikipedia.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 wikipedia.org, as they provide the strongest protection against scripting and downgrade attacks.
Use cases
- Audit the security headers of wikipedia.org before or after a deploy.
- Identify missing headers that increase attack risk on wikipedia.org.
- Verify that wikipedia.org enforces HTTPS with HSTS.
- Support hardening reports and security reviews for wikipedia.org.
Frequently asked questions
Which security headers does wikipedia.org use?
This page lists the HTTP security headers present on wikipedia.org, such as CSP, HSTS, X-Frame-Options and X-Content-Type-Options, along with their values.
Does wikipedia.org have a Content-Security-Policy?
The results show whether wikipedia.org sends a Content-Security-Policy header and whether its value is considered secure.
Does wikipedia.org enforce HTTPS with HSTS?
The Strict-Transport-Security section indicates whether wikipedia.org forces HTTPS and for how long, including includeSubDomains and preload flags.
Why does wikipedia.org have a low security score?
A low score means wikipedia.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 wikipedia.org free?
Yes. The XploreNetHub Security Headers Validator is completely free, requires no sign-up and runs directly in your browser.
Related guides
- Security Headers Checklist — HSTS, CSP and HTTP headers before go-live.
- DNS and SSL Checklist — Steps and verification table before pointing a domain.