B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Aging
50%
50% -- share of manually penalized sites 90 to 100pct ai generated for Google manual action websites (2024-03)
According to a study by Originality.ai, 50% of websites that received a Google manual action had content/posts that were between 90% and 100% AI-generated.
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Lighthouse Research Team
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Evidence graded
Value
50%
Unit
Percentage
Data Vintage
2024-03
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
Originality.ai
Primary
Tier B
https://planleft.com/blog/googles-ai-content-quality-control-core-web-vitals-search/ ↗
Source Article
Google’s AI Content Quality Control - Core Web Vitals & Search - Plan Left
Google’s March Core and Spam update is in full swing, and its effects are being felt by websites in every niche. From Google My Business removals to punitive actions handed out by human reviewers, Google is making its stance on unuseful, spammy content known. Plus, the new INP core web vital went in…
Original Research
Originality.ai
· Original study ↗
Methodology
Originality.ai study of sites receiving Google manual actions during March 2024 core/spam update
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google manual action websites: 50% share of manually penalized sites 90 to 100pct ai generated. Source: Originality.ai (2024-03). Via Lighthouse Intelligence -- https://lighthousedata.io/data/manual-action-sites-90-100-ai-generated
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<blockquote cite="https://lighthousedata.io/data/manual-action-sites-90-100-ai-generated" 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 manually penalized sites 90 to 100pct ai generated for Google manual action websites<br><small>Source: Originality.ai (2024-03) · <a href="https://lighthousedata.io/data/manual-action-sites-90-100-ai-generated" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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