B
Evidence Grade B
Graded
not independently verified
Safe to Cite
Current
100,000
100,000 -- domains analyzed for llms.txt adoption study (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
100,000
Unit
Count
Data Vintage
2026
Entity
Sample Size
100,000
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
90
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Ahrefs
Primary
Tier B
https://www.searchenginejournal.com/how-cats-txt-showed-llms-txt-evidence-is-geo-astrology/584653/ ↗
Source Article
How Cats.txt Showed LLMs.txt Evidence Is GEO Astrology
The four arguments used to sell llms.txt would pass a text file about cats. Here's why that matters for every GEO tactic you're buying.
The post How Cats.txt Showed LLMs.txt Evidence Is GEO Astrology appeared first on Search Engine Journal.
Original Research
Ahrefs
· Original study ↗
Methodology
Ahrefs large-scale study of llms.txt deployment and crawler behavior
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
llms.txt adoption study: 100,000 domains analyzed. Source: Ahrefs (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/llms-txt-ahrefs-domain-study
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<blockquote cite="https://lighthousedata.io/data/llms-txt-ahrefs-domain-study" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>100,000</strong> -- domains analyzed for llms.txt adoption study<br><small>Source: Ahrefs (2026) · <a href="https://lighthousedata.io/data/llms-txt-ahrefs-domain-study" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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