B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
79%
79% -- click through rate decline for Sites ranking first beneath AI-generated summaries (2025)
Sites that previously ranked first can lose up to 79% of clicks when their result appears beneath an AI-generated summary.
- up to 79%
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
79%
Unit
Percentage
Data Vintage
2025
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
60
Independence
30
Methodology
45
Freshness
95
Source
Authoritas
Primary
Tier B
https://www.theguardian.com/technology/2025/jul/24/ai-summaries-causing-devastating-drop-in-online-n… ↗
Source Article
How to get cited by AI answers: What peer-reviewed research says
AI search has changed the rules. Instead of clicking links, users get direct AI-generated answers — and those answers increasingly cite and quote specific sources. The emerging practice of Generative Engine Optimisation (GEO) focuses on ensuring you are the source that those AI engines pick.
What sh…
Original Research
Authoritas
· Original study ↗
Methodology
Research by analytics firm Authoritas, reported via The Guardian
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Sites ranking first beneath AI-generated summaries: 79% click through rate decline. Source: Authoritas (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-summary-click-loss-79-percent
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-summary-click-loss-79-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>79%</strong> -- click through rate decline for Sites ranking first beneath AI-generated summaries<br><small>Source: Authoritas (2025) · <a href="https://lighthousedata.io/data/ai-summary-click-loss-79-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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