# Fastly Synthetic Response Demo > A demonstration of serving robots.txt and llms.txt > directly from the Fastly edge. The homepage is hosted at the origin. Fastly generates the robots.txt and llms.txt responses at the edge. ## Pages - [Demo homepage](https://fastly-demo.example.com/): Inspect live endpoint responses, including status, headers, and body. - [Crawler instructions](https://fastly-demo.example.com/robots.txt): Crawling rules for this demo site. ## Notes This is a demonstration environment. The /admin/ and /private/ paths are illustrative examples.