B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
20%
20% -- conversion lift for Google Demand Gen advertisers (2025)
Advertisers who uploaded video and image assets to Demand Gen achieved 20% more conversions at the same cost per action compared to those who uploaded video only.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
20%
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.
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Sources (2)
Google
Primary
Tier B
https://www.travelboommarketing.com/blog/pmax-for-hotels-insights-to-control-and-improve-ppc-perform… ↗
Source Article
PMax for Hotels: Insights To Control and Improve PPC Performance
PMax for Hotels: Insights To Control and Improve PPC Performance
by travelboom
Performance Max, or PMax, puts AI behind the wheel to drive customers to hotel websites and increase direct bookings. To be successful, hoteliers must understand how to use PMax to its full potential by guiding ad placeme…
Also cited by
2026-09-21
Original Research
Google
· Original study ↗
Methodology
Google-reported comparison: advertisers uploading both video and image assets vs video only
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Demand Gen advertisers: 20% conversion lift. Source: Google (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/demand-gen-video-image-assets-20pct-conversions
HTML Embed
<blockquote cite="https://lighthousedata.io/data/demand-gen-video-image-assets-20pct-conversions" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>20%</strong> -- conversion lift for Google Demand Gen advertisers<br><small>Source: Google (2025) · <a href="https://lighthousedata.io/data/demand-gen-video-image-assets-20pct-conversions" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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