B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
70%
70% -- cost per click reduction for Smart Shopping ads (2021)
Some clients of Digishopgirl Media saw around 70% lower costs per click using Smart Shopping ads compared to traditional Google shopping ad units.
- Reported anecdotally by agency Digishopgirl Media for some of their clients
- Stated as 'around 70%'
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
70%
Unit
Percentage
Data Vintage
2021
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 (4)
Digiday
Primary
Tier B
https://www.modernretail.co/retailers/how-google-has-quietly-streamlined-its-shopping-ad-formats/ ↗
Source Article
How Google has quietly streamlined its shopping ad formats
Also cited by
amraandelma.com
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rmi.org
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2026-08-15
azure.microsoft.com
https://azure.microsoft.com/
2026-08-15
Original Research
Digiday
· Original study ↗
Methodology
Compared to traditional Google shopping ad units
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Smart Shopping ads: 70% cost per click reduction. Source: Digiday (2021). Via Lighthouse Intelligence -- https://lighthousedata.io/data/smart_shopping_ad_cpc_reduction
HTML Embed
<blockquote cite="https://lighthousedata.io/data/smart_shopping_ad_cpc_reduction" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>70%</strong> -- cost per click reduction for Smart Shopping ads<br><small>Source: Digiday (2021) · <a href="https://lighthousedata.io/data/smart_shopping_ad_cpc_reduction" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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