B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
1
1 -- spearman correlation authority score vs ai mentions for Semrush study of 1,000 domains (2025-10)
A Semrush study of 1,000 domains found a moderate Spearman correlation of 0.57 between Authority Score and AI mentions.
- Authority Score incorporates link power, organic traffic, and spam factors rather than backlink data alone
- Correlation does not imply causation
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
1
Unit
Score
Data Vintage
2025-10
Entity
Sample Size
1,000
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Semrush
Primary
Tier A
https://seohandbook.co.uk/off-page-seo/link-building/ ↗
Source Article
Link Building and Backlinks | The SEO Handbook
Link Building and Backlinks
Last updated
Link building is the practice of earning hyperlinks from other websites to your own. A backlink acts as an editorial endorsement: a signal that another site considered your content worth referencing. Google has treated backlinks as a ranking signal since its …
Original Research
Semrush
· Original study ↗
Methodology
Spearman and Pearson correlations across ChatGPT, ChatGPT Search, Gemini, AI Overviews and Perplexity
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Semrush study of 1,000 domains: 1 spearman correlation authority score vs ai mentions. Source: Semrush (2025-10). Via Lighthouse Intelligence -- https://lighthousedata.io/data/semrush-authority-score-ai-mentions-correlation-2025
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<blockquote cite="https://lighthousedata.io/data/semrush-authority-score-ai-mentions-correlation-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>1</strong> -- spearman correlation authority score vs ai mentions for Semrush study of 1,000 domains<br><small>Source: Semrush (2025-10) · <a href="https://lighthousedata.io/data/semrush-authority-score-ai-mentions-correlation-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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