Security headers summary for wikimedia.org
This page validates the HTTP security headers returned by wikimedia.org, scoring its protection against common web attacks.
Below you can review which headers wikimedia.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 wikimedia.org
A higher score means wikimedia.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 wikimedia.org, as they provide the strongest protection against scripting and downgrade attacks.
Use cases
- Audit the security headers of wikimedia.org before or after a deploy.
- Identify missing headers that increase attack risk on wikimedia.org.
- Verify that wikimedia.org enforces HTTPS with HSTS.
- Support hardening reports and security reviews for wikimedia.org.
Frequently asked questions
Which security headers does wikimedia.org use?
This page lists the HTTP security headers present on wikimedia.org, such as CSP, HSTS, X-Frame-Options and X-Content-Type-Options, along with their values.
Does wikimedia.org have a Content-Security-Policy?
The results show whether wikimedia.org sends a Content-Security-Policy header and whether its value is considered secure.
Does wikimedia.org enforce HTTPS with HSTS?
The Strict-Transport-Security section indicates whether wikimedia.org forces HTTPS and for how long, including includeSubDomains and preload flags.
Why does wikimedia.org have a low security score?
A low score means wikimedia.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 wikimedia.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.