B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
34%
34% -- ranking improvement for sites using three-tier architecture (2026)
Sites using a three-tier internal linking architecture see an average 34% improvement in rankings for cluster keywords within 90 days.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
34%
Unit
Percentage
Data Vintage
2026
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
20
Independence
30
Methodology
45
Freshness
95
Source
The Growth Terminal
Primary
Tier B
https://thegrowthterminal.com/blog/internal-linking-strategy-that-actually-moves-rankings/ ↗
Source Article
Internal Linking Strategy That Actually Moves Rankings
Internal Linking Strategy That Actually Moves Rankings
Why Your Internal Linking Strategy Isn’t Moving Rankings
Your internal linking strategy is broken. Most tech founders and growth marketers treat internal links like a checkbox item—throw in a few “click here” anchors and call it done. The truth …
Original Research
The Growth Terminal
· Original study ↗
Methodology
internal analysis of 50 SaaS content strategies
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
sites using three-tier architecture: 34% ranking improvement. Source: The Growth Terminal (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/internal-linking-strategy-ranking-improvement
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<blockquote cite="https://lighthousedata.io/data/internal-linking-strategy-ranking-improvement" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>34%</strong> -- ranking improvement for sites using three-tier architecture<br><small>Source: The Growth Terminal (2026) · <a href="https://lighthousedata.io/data/internal-linking-strategy-ranking-improvement" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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