B
Evidence Grade B
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accuracy verified by the review judge
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Recent
87.8%
87.8% -- share of ai overviews using human and ai written content for Google AI Overviews (2025)
Ahrefs found that 87.8% of Google's AI Overviews use content written by both humans and AI.
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Lighthouse Research Team
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Evidence graded
Value
87.8%
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
Ahrefs
Primary
Tier B
https://www.writewiser.co.uk/post/how-i-use-ai-in-my-blog-writing-services-without-losing-the-voice-… ↗
Source Article
How I use AI in my blog writing services without losing the voice (or feeling guilty)
How I use AI in my blog writing services without losing the voice (or feeling guilty)
If you’ve been on LinkedIn lately, you’ve probably seen a lot of posts about AI detectors.
Clients are rejecting content because:
An AI detection tool said it’s 100% AI-generated.
There are too many em dashes.
It c…
Original Research
Ahrefs
· Original study ↗
Methodology
Cited from an Ahrefs study, as referenced in the article
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google AI Overviews: 87.8% share of ai overviews using human and ai written content. Source: Ahrefs (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ahrefs-ai-overviews-human-ai-content
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ahrefs-ai-overviews-human-ai-content" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>87.8%</strong> -- share of ai overviews using human and ai written content for Google AI Overviews<br><small>Source: Ahrefs (2025) · <a href="https://lighthousedata.io/data/ahrefs-ai-overviews-human-ai-content" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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