B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
540
540 -- grounding plateau word count for AI Overview grounding (2026)
Grounding for AI Overview citations plateaus near approximately 540 words.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
540
Unit
Count
Data Vintage
2026
Entity
Sample Size
7,000
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
45
Freshness
95
Source
DejanSEO
Primary
Tier B
https://digitalmedianinja.com/blog/rank-in-ai-overviews-local-business ↗
Source Article
How to Rank in AI Overviews: Local Business Guide (2026)
How to Rank in AI Overviews: Local Business Guide (2026)
Near-me informational queries trigger AI Overviews 76.9% of the time. The 2026 data-backed playbook for local businesses, plus a free readiness scorecard.
Key Takeaways
- Organic click-through rate on AI Overview queries rebounded 85% in two m…
Original Research
DejanSEO
· Original study ↗
Methodology
Dan Petrovic, DejanSEO, 7,000+ queries
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
AI Overview grounding: 540 grounding plateau word count. Source: DejanSEO (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/grounding-plateau-540-words
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<blockquote cite="https://lighthousedata.io/data/grounding-plateau-540-words" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>540</strong> -- grounding plateau word count for AI Overview grounding<br><small>Source: DejanSEO (2026) · <a href="https://lighthousedata.io/data/grounding-plateau-540-words" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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