B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
76%
76% -- ai overview appearance rate for Google AI Overviews - commercial mechanical contractor category keywords (2026-08)
Google AI Overviews appeared on 76% of the 50 tracked category keywords for commercial mechanical contractors.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
76%
Unit
Percentage
Data Vintage
2026-08
Entity
Sample Size
50
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
Arcalea
Primary
Tier B
https://arcalea.com/aeo-index/mechanical ↗
Source Article
Commercial Mechanical Contractors AEO Index - August 2026
Original Research
Arcalea
· Original study ↗
Methodology
50 tracked category keywords analyzed for AI Overview presence
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google AI Overviews - commercial mechanical contractor category keywords: 76% ai overview appearance rate. Source: Arcalea (2026-08). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-ai-overviews-category-keywords-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/google-ai-overviews-category-keywords-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>76%</strong> -- ai overview appearance rate for Google AI Overviews - commercial mechanical contractor category keywords<br><small>Source: Arcalea (2026-08) · <a href="https://lighthousedata.io/data/google-ai-overviews-category-keywords-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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