Top 5,000 domain adoption is still only 16.1% | Trakkr Research
Even the more visible end of the corpus is not overwhelmingly using llms.txt.
Methodology: Built from HTTP scans of 37,894 AI-cited domains, linked to 337,362 citations and 882 citation snapshots in the Trakkr corpus.
Claim
Among the top 5,000 cited domains, llms.txt adoption is 16.1%.
Why it matters
The highest-performing cited sites are not clustering around a universal llms.txt playbook.
Supporting metrics
| Metric | Value | Context |
|---|---|---|
| Top 5k adoption | 16.1% | Adoption among the top 5,000 cited domains. |
Related pages
Continue through the same study cluster.
- does llms txt help you even if it does not raise citations - Related answer page
- should you prioritize llms txt over answer infrastructure - Related answer page
- llmstxt adoption by tier tracker - Related tracker page
Data & Sources
- The llms.txt Effect - Flagship study behind this page
- Page JSON - Machine-readable companion file