llms.txt adoption by citation tier | Trakkr Research
Adoption rate across different levels of citation prominence.
Methodology: Built from HTTP scans of 37,894 AI-cited domains, linked to 337,362 citations and 882 citation snapshots in the Trakkr corpus.
Summary
Adoption rises modestly into the mid-ranked tiers, but the most-cited head domains do not show strong dependence on llms.txt.
Benchmark rows
| Metric | Value | Context |
|---|---|---|
| Adoption rate | 13.3% | Domains with llms.txt in the study. |
| Top 5k adoption | 16.1% | Adoption among the top 5,000 cited domains. |
| Top 50 adoption | 6.0% | Adoption among the top 50 cited domains. |
Ranked view
| Item | Value | Detail |
|---|---|---|
| Top 5,000 cited domains | 16.1% | The highest adoption tier highlighted in the study. |
| Full corpus | 13.3% | Baseline adoption across all scanned domains. |
| Top 50 cited domains | 6.0% | The very head of the citation graph is not highly reliant on llms.txt. |
Related pages
Continue through the same study cluster.
- does llms txt increase ai citations - Related answer page
- how common is llms txt on ai cited domains - Related answer page
- llms txt adoption is only thirteen point three percent - Related fact page
Data & Sources
- The llms.txt Effect - Flagship study behind this page
- Page JSON - Machine-readable companion file