Adding llms.txt and FAQ sections increased LLM citation rate by 2.4x in 60 days
A GEO experiment measuring the impact of adding a structured llms.txt file, FAQ sections, and JSON-LD structured data on citation rates across ChatGPT, Perplexity, and Claude. After 60 days, the product was mentioned in 2.4x more LLM-generated responses for target queries, with Perplexity showing the strongest improvement at 3.1x baseline.