B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
40%
40% -- citation likelihood increase for Web content with added citations and source references in generative AI engine answers (Princeton/Georgia Tech GEO study) (2023)
Adding citations and source references to web content increased citation likelihood in generative AI engine answers by up to 40%.
- Reported as 'up to 40%' (maximum effect observed in the study's tests)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
40%
Unit
Percentage
Data Vintage
2023
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Princeton University / Georgia Tech (Aggarwal et al.)
Primary
Tier C
https://domainfx.com.au/generative-engine-optimisation/ ↗
Source Article
Generative Engine Optimisation (GEO) — How to Rank in AI-Powered Search - DomainFX
Generative Engine Optimisation (GEO) — How to Rank in AI-Powered Search
When someone asks ChatGPT "who's a reliable electrician in Brisbane?" and your business doesn't come up, that's a GEO problem. Generative Engine Optimisation (GEO) is the practice of making sure generative AI tools (ChatGPT, Gem…
Original Research
Princeton University / Georgia Tech (Aggarwal et al.)
· Original study ↗
Methodology
Reported as 'up to 40%' — maximum effect observed in the study's tests; original research: Aggarwal et al., "GEO: Generative Engine Optimization", arXiv:2311.09735, 2023
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Web content with added citations and source references in generative AI engine answers (Princeton/Georgia Tech GEO study): 40% citation likelihood increase. Source: Princeton University / Georgia Tech (Aggarwal et al.) (2023). Via Lighthouse Intelligence -- https://lighthousedata.io/data/geo-citations-increase-citation-likelihood
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<blockquote cite="https://lighthousedata.io/data/geo-citations-increase-citation-likelihood" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- citation likelihood increase for Web content with added citations and source references in generative AI engine answers (Princeton/Georgia Tech GEO study)<br><small>Source: Princeton University / Georgia Tech (Aggarwal et al.) (2023) · <a href="https://lighthousedata.io/data/geo-citations-increase-citation-likelihood" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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