B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
50%
50% -- share of ai overview sources from top rankings for Google AI Overviews (2025)
Top rankings in search results make up 50% of sources used by AI Overviews.
- Underlying study/data source is not specified in the text
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
50%
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
20
Independence
30
Methodology
45
Freshness
95
Source
Squarebird
Primary
Tier B
https://www.squarebird.co.uk/an-introduction-to-geo-and-aio/ ↗
Source Article
An introduction to GEO and AIO | Squarebird
Recent changes to best practice SEO have meant new tools, techniques, and terminology are beginning to enter the conversation. Understanding these different components is the first step to building a happy, healthy website that can contend with the trends and improve your clicks and conversions.
At …
Original Research
Squarebird
· Original study ↗
Methodology
SEO agency publication citing AI Overviews sourcing behavior; underlying study not named
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google AI Overviews: 50% share of ai overview sources from top rankings. Source: Squarebird (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ai-overviews-top-rankings-50-percent-sources
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ai-overviews-top-rankings-50-percent-sources" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>50%</strong> -- share of ai overview sources from top rankings for Google AI Overviews<br><small>Source: Squarebird (2025) · <a href="https://lighthousedata.io/data/ai-overviews-top-rankings-50-percent-sources" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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