B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
20.6%
20.6% -- entity density of heavily cited text for ChatGPT heavily cited text (2026)
Heavily cited text has an entity density of 20.6%.
Attribution:
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Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
20.6%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
11,022
Geography
Global
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Growth Memo (Kevin Indig)
Primary
Tier A
https://healthroutedaily.co/the-science-of-how-ai-pays-attention/567597/ ↗
Source Article
The Science Of How AI Pays Attention
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This week, I share my findings from analyzing 1.2 million ChatGPT responses to answer the question of how to improve your chances of getting cited.
For 20 years, SEOs have written”ultimate guides” designed to keep human…
Original Research
Growth Memo (Kevin Indig)
· Original study ↗
Methodology
Compared to ~5-8% entity density in normal English text (Brown Corpus / Penn Treebank benchmark)
Methodology documented
Segmentation
IndustryAI/ML
RegionGlobal
RoleAll marketers
Channelcontent
Cite this stat
Plain Text
ChatGPT heavily cited text: 20.6% entity density of heavily cited text. Source: Growth Memo (Kevin Indig) (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/entity-density-cited-text
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<blockquote cite="https://lighthousedata.io/data/entity-density-cited-text" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>20.6%</strong> -- entity density of heavily cited text for ChatGPT heavily cited text<br><small>Source: Growth Memo (Kevin Indig) (2026) · <a href="https://lighthousedata.io/data/entity-density-cited-text" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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