Glossary
security.txt
A well-known file advertising security contact details.
Definition
security.txt is good internet hygiene and another machine-readable root file alongside robots.txt and llms.txt.
In practice
- Use precise language on public pages so assistants and crawlers share the same meaning
- Pair definitions with crawlable HTML, metadata, and intentional robots policy
- Measure outcomes (mentions, citations, pillar scores) after you change signals
See also
Next step
Browse the glossary index, read what is AI visibility?, or measure your site.
Related
FAQ
What is security.txt?
A well-known file advertising security contact details.
Why does security.txt matter for AI visibility?
security.txt is good internet hygiene and another machine-readable root file alongside robots.txt and llms.txt.
How can BatSignal help?
BatSignal measures crawl access, content readiness, ChatGPT presence, and related signals so teams can improve AI visibility with evidence—not guesswork.