B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
4
4 -- blended roas for Google Ads ecommerce (2026)
Median blended ROAS for ecommerce brands on Google Ads is between 3.5x and 5x.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
4
Unit
Multiple
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
Darkroom
Primary
Tier B
https://www.darkroomagency.com/observatory/google-ads-vs-meta-ads-ecommerce-budget-2026 ↗
Source Article
Google Ads vs Meta Ads: Ecommerce Budget Guide 2026
Google Ads vs Meta Ads: Where to Spend Your Ecommerce Budget in 2026
PAID MEDIA
Written & peer reviewed by
4 Darkroom team members
PAID MEDIA
Written & peer reviewed by 4 Darkroom team members
TL;DR
Google Ads captures demand. Meta Ads creates it. The right split is not a universal ratio. It depends…
Original Research
Darkroom
· Original study ↗
Methodology
Darkroom portfolio data cross-referenced with Varos benchmarks and incrementality testing; range midpoint extracted
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Ads ecommerce: 4 blended roas. Source: Darkroom (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-blended-roas-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/google-blended-roas-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>4</strong> -- blended roas for Google Ads ecommerce<br><small>Source: Darkroom (2026) · <a href="https://lighthousedata.io/data/google-blended-roas-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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