B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
33%
33% -- conversion lift for Google Demand Gen campaigns (2025)
Google Demand Gen campaigns with broad product feeds see an average +33% lift in conversions compared to campaigns without a feed at the same cost.
- Applies to consolidated campaigns with a broad product selection compared to campaigns without a feed, at the same cost
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Lighthouse Research Team
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Source verified
Evidence graded
Value
33%
Unit
Percentage
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Google
Primary
Tier B
https://highstreet.io/en/perche-product-feed-marketing/ ↗
Source Article
Why the product feed has become a strategic asset for PMax and Meta | Highstreet.io
For years, the product feed was treated as a problem to solve once and forget. You’d export it from your management system, upload it to Merchant Center, verify that your products were approved. Done. The real work — the strategic work — was happening elsewhere: in bids, audiences, and creatives.
Th…
Original Research
Google
· Original study ↗
Methodology
Google-measured comparison of consolidated Demand Gen campaigns with broad product feeds vs. campaigns without a feed, at same cost
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Demand Gen campaigns: 33% conversion lift. Source: Google (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-demand-gen-feed-conversion-lift
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<blockquote cite="https://lighthousedata.io/data/google-demand-gen-feed-conversion-lift" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>33%</strong> -- conversion lift for Google Demand Gen campaigns<br><small>Source: Google (2025) · <a href="https://lighthousedata.io/data/google-demand-gen-feed-conversion-lift" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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