B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
4.2x
4.2x -- return on ad spend for Google Shopping ecommerce (2025)
Google Shopping averaged a 4.2:1 ROAS for ecommerce in 2025 according to Databox.
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
4.2x
Unit
Ratio
Data Vintage
2025
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Databox
Primary
Tier C
https://webmedic.com/ecommerce-kpis-guide ↗
Source Article
10 Ecommerce KPIs That Actually Matter | WebMedic
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Ecommerce KPIs (key performance indicators) are the measurable metrics that directly link to revenue,…
Original Research
Databox
· Original study ↗
Methodology
Databox 2025 as cited
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Shopping ecommerce: 4.2x return on ad spend. Source: Databox (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-shopping-roas-2025
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<blockquote cite="https://lighthousedata.io/data/google-shopping-roas-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>4.2x</strong> -- return on ad spend for Google Shopping ecommerce<br><small>Source: Databox (2025) · <a href="https://lighthousedata.io/data/google-shopping-roas-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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