B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
61%
61% -- click through rate decline for Organic search results in AI-enhanced searches (2026)
Click-through rates for organic search results in AI-enhanced searches experienced a 61% decline (dropping from 1.76% to 0.61%).
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
61%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
foundrycro.com
Primary
Tier C
https://foundrycro.com/blog/what-is-generative-engine-optimization-geo-aeo/ ↗
Source Article
What Is Generative Engine Optimization? GEO, AEO, LLMO | Foundry CRO
The short version:
- GEO, AEO, and LLMO all describe the same strategic shift: optimizing content so AI engines cite your brand in generated answers.
- GEO builds on SEO fundamentals but optimizes for citations inside AI answers rather than clicks from search results.
- 58.5% of US Google searches a…
Original Research
foundrycro.com
· Original study ↗
Methodology
CTR dropped from 1.76% to 0.61%
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Organic search results in AI-enhanced searches: 61% click through rate decline. Source: foundrycro.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/organic-ctr-ai-search-decline-61
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<blockquote cite="https://lighthousedata.io/data/organic-ctr-ai-search-decline-61" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>61%</strong> -- click through rate decline for Organic search results in AI-enhanced searches<br><small>Source: foundrycro.com (2026) · <a href="https://lighthousedata.io/data/organic-ctr-ai-search-decline-61" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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