# SaaS and developer sites adopt llms.txt far more often | Trakkr Research

Canonical URL: https://trakkr.ai/trakkr-research/llmstxt-effect/facts/saas-and-developer-sites-adopt-llms-txt-far-more-often
Published: 2026-03-14
Last updated: 2026-03-14
Author: Mack Grenfell

The file is culturally concentrated among technical sites.

## 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

SaaS and developer tools reached 24.1 percent llms.txt adoption, representing the highest named category adoption in the study.

## Why it matters

Strategists and operators must recognize that this 24.1 percent adoption rate is highly concentrated in technical sectors and should not be mistaken for a universal citation best practice across broader industries.

## Supporting metrics

| Metric | Value | Context |
| --- | --- | --- |
| SaaS/developer adoption | 24.1% | Highest named category adoption in the study. |

## Related pages

Continue through the same study cluster.

- [why is llms txt getting so much attention if the effect is null](https://trakkr.ai/trakkr-research/llmstxt-effect/answers/why-is-llms-txt-getting-so-much-attention-if-the-effect-is-null) - Related answer page
- [do the raw citation averages show any real advantage](https://trakkr.ai/trakkr-research/llmstxt-effect/answers/do-the-raw-citation-averages-show-any-real-advantage) - Related answer page
- [llmstxt adoption by tier tracker](https://trakkr.ai/trakkr-research/llmstxt-effect/trackers/llmstxt-adoption-by-tier-tracker) - Related tracker page

## Data And Sources

- [The llms.txt Effect](https://trakkr.ai/trakkr-research/llmstxt-effect) - Flagship study behind this page
- [Page JSON](https://trakkr.ai/data/research-answers/llmstxt-effect/facts/saas-and-developer-sites-adopt-llms-txt-far-more-often.json) - Machine-readable companion file