B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
74.2%
74.2% -- share of pages with ai generated content for Newly published web pages (2025-05)
74.2% of roughly 900,000 newly published web pages contained AI-generated content in May 2025.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
74.2%
Unit
Percentage
Data Vintage
2025-05
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://rankenstein.pro/blog/how-to-avoid-ai-slop-2026 ↗
Source Article
How to Avoid AI Slop in 2026: A 7-Step SEO Checklist
TL;DR: AI-assisted content is not the problem. Low-effort content is. Avoid AI slop by starting with real experience, adding named sources, checking the draft against search intent, and running a human review before publishing.
Over half of all new online articles are now AI-generated. That's not a …
Original Research
Ahrefs
· Original study ↗
Methodology
Ahrefs study of roughly 900,000 newly published web pages; 2.5% purely AI, 25.8% purely human, 71.7% human-AI blend
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Newly published web pages: 74.2% share of pages with ai generated content. Source: Ahrefs (2025-05). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ahrefs-ai-content-share-webpages-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ahrefs-ai-content-share-webpages-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 pages with ai generated content for Newly published web pages<br><small>Source: Ahrefs (2025-05) · <a href="https://lighthousedata.io/data/ahrefs-ai-content-share-webpages-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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