B
Evidence Grade B
Graded
under review
Safe to Cite
Recent
20%
20% -- campaign roi improvement for Google Ads campaigns (2025)
Attribution:
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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.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Interactive Advertising Bureau (IAB)
Primary
Tier C
https://ppcgrowthstudio.com/ppc-roi-rescue-turn-ad-waste-into-marketing-wins/ ↗
Source Article
PPC ROI: Turn Ad Waste Into Marketing Wins
Struggling to make your marketing budget work harder? We analyze successful PPC campaigns across various industries on Google Ads and other platforms. We offer case studies analyzing success to help you understand what strategies truly deliver results. Can data-driven insights unlock exponential gro…
Original Research
Interactive Advertising Bureau (IAB)
· Original study ↗
Methodology
Cited from IAB 2025 report on negative keyword usage
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Ads campaigns: 20% campaign roi improvement. Source: Interactive Advertising Bureau (IAB) (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/negative-keywords-roi-improvement-2025
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<blockquote cite="https://lighthousedata.io/data/negative-keywords-roi-improvement-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>20%</strong> -- campaign roi improvement for Google Ads campaigns<br><small>Source: Interactive Advertising Bureau (IAB) (2025) · <a href="https://lighthousedata.io/data/negative-keywords-roi-improvement-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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