B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
74.2%
74.2% -- share of new pages containing ai generated content for newly published web pages (Ahrefs sample) (2025-04)
74.2% of newly published web pages sampled by Ahrefs in April 2025 contained at least some AI-generated content.
- Only 2.5% were written entirely by AI; 25.8% were purely human, and the remaining majority were a mixture.
- Determined using AI-content detection tools, which infer from style and have reliability limitations.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
74.2%
Unit
Percentage
Data Vintage
2025-04
Entity
Sample Size
900,000
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
60
Freshness
95
Source
Ahrefs
Primary
Tier B
https://seohandbook.co.uk/ai-search/ai-content-risks/ ↗
Source Article
AI Content Risks | The SEO Handbook
AI Content Risks
Last updated
AI tools have made content production faster and cheaper. Used well, they can help with research, drafting, and editing. Used recklessly (as a pipeline for publishing at scale without genuine editorial input), they introduce risks that tend to compound over time: algori…
Original Research
Ahrefs
· Original study ↗
Methodology
Ahrefs sampled 900,000 newly published pages; AI-content share determined via AI-content detector
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
newly published web pages (Ahrefs sample): 74.2% share of new pages containing ai generated content. Source: Ahrefs (2025-04). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ahrefs-ai-content-share-new-pages-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ahrefs-ai-content-share-new-pages-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>74.2%</strong> -- share of new pages containing ai generated content for newly published web pages (Ahrefs sample)<br><small>Source: Ahrefs (2025-04) · <a href="https://lighthousedata.io/data/ahrefs-ai-content-share-new-pages-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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