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Security headers

Security

Security headers are HTTP instructions that help protect a website against certain risks. They are not visible in the design, but they influence the technical trust of the site.

Security headers

What means Security headers

Security headers: Security headers refers to HTTP instructions that help protect a website against certain risks. In an AISEO review, it helps evaluate technical trust and reduce avoidable exposure without relying only on what the user sees.

AISEO Area: Security. This tag helps to place the term within the glossary and understand if it belongs to crawling, semantics, performance, security, AI, accessibility or certification.

It matters because many protections work before the user sees anything. A well-configured signal reduces exposure; a missing one leaves room for avoidable problems.
  • Check HTTPS, security headers and loaded resources.
  • Avoid copied policies that block necessary features.
  • Keep consistency across domain, subdomains and external resources.
  • Review browser warnings and technical tool results.

Common errors

Activating Security headers without checking compatibility with the resources and domains used.
Copying security policies that are too weak or too aggressive.
Letting temporary exceptions become permanent.
Not checking browser warnings or real headers in production.

Frequently asked questions about Security headers

What is Security headers?
Security headers refers to HTTP instructions that help protect a website against certain risks. In an AISEO review, it helps evaluate technical trust and reduce avoidable exposure without relying only on what the user sees.
Why should Security headers be reviewed?
It matters because many protections work before the user sees anything. A well-configured signal reduces exposure; a missing one leaves room for avoidable problems.
How is Security headers handled in AISEO?
Check HTTPS, security headers and loaded resources. Avoid copied policies that block necessary features. Keep consistency across domain, subdomains and external resources.