B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
10.13%
10.13% -- domain adoption rate for llms.txt (2026)
Around 10.13% of domains have adopted llms.txt according to SE Ranking.
- No major AI company has publicly committed to reading llms.txt in production
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
10.13%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
SE Ranking
Primary
Tier B
https://www.qwestyon.com/blog/what-is-generative-engine-optimisation-geo ↗
Source Article
What Is Generative Engine Optimisation (GEO)? The Complete 2026 Guide | Qwestyon
What is Generative Engine Optimisation (GEO)? The Complete 2026 Guide
For twenty-five years the deal between websites and search engines was simple. You wrote a page, Google ranked it, a user clicked through, and you got the visit. The page itself was the destination.
That deal is dissolving. AI ans…
Original Research
SE Ranking
· Original study ↗
Methodology
SE Ranking study
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
llms.txt: 10.13% domain adoption rate. Source: SE Ranking (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/llms-txt-adoption-10-13
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<blockquote cite="https://lighthousedata.io/data/llms-txt-adoption-10-13" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>10.13%</strong> -- domain adoption rate for llms.txt<br><small>Source: SE Ranking (2026) · <a href="https://lighthousedata.io/data/llms-txt-adoption-10-13" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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