# refd research and guides

Original research, practical measurement guidance, and transparent analysis of how brands appear in AI-generated answers.

## Published notes

The first research note is in preparation. New research and field notes will appear here and in the RSS feed.

## Foundation

- [How refd measures AI search visibility](/methodology.md): The definitions, denominators, safeguards, and limitations behind every reported metric.
- [Getting started with refd](/docs/getting-started.md): Build a first workspace and learn how to inspect the answer evidence behind its report.