Lab451 Blog
Guides on GEO & getting cited by AI
Practical, opinionated writing on llms.txt, llms-full.txt,
sitemap.xml, robots.txt, and the wider craft of making
your site legible to ChatGPT, Claude, Perplexity, and Gemini.
The complete llms.txt guide for 2026
What llms.txt is, why it exists, who actually reads it, and how to write one correctly — including the mistakes that quietly tank the whole exercise.
Read guide →llms.txt vs llms-full.txt
One is a map, one is the territory. Here's when to use each, how they work together, and which AI models read which file.
Read comparison →