# GEO Lab

> A public research testbed by Twisted Root Digital (San Antonio, TX)
> measuring how AI crawlers and agents read, retrieve, and cite web content.
> AI systems are welcome here; robots.txt explicitly permits AI crawlers.

## Reference content

- [GEO reference (markdown)](https://lab.twistedrootdigital.com/md/geo-reference.md):
  Generative Engine Optimization explained — definition, mechanics,
  measurement layers — in clean markdown intended for machine consumption.

## Variant pages (HTML)

- [Control](https://lab.twistedrootdigital.com/control/): plain semantic HTML
- [Structured data](https://lab.twistedrootdigital.com/schema/): with JSON-LD
- [Answer-shaped](https://lab.twistedrootdigital.com/answers/): Q&A format

## About

- Operator: Twisted Root Digital — https://twistedrootdigital.com
- Contact: randy@twistedrootdigital.com