# llmcartelbottesting.com > Measurement instrument studying the user-prompted LLM fetch. Each /r// > round is a self-contained render-depth experiment using canary tokens. ## About - This site exists to observe fetch behaviour, not to provide content. - Permissive robots.txt by design; presence of this file is itself a probe. ## Pages - [Landing](https://llmcartelbottesting.com/index.html) - [Link-following probe](https://llmcartelbottesting.com/more.html)