B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
40%
40% -- ppc budget wasted share for Google Ads advertisers (2025)
Businesses waste 40% to 60% of their PPC budget due to structural account issues.
- Attributed generally to WordStream research
- Presented as a range of 40–60%
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
40%
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
WordStream
Primary
Tier C
https://www.weblikeweb.com.au/ppc-services/ ↗
Source Article
PPC Management Agency Australia | Google Ads & Paid Search | Web Like Web
Quality Score Impact
PPC Quality Score Optimisation
Most Australian PPC accounts have average Quality Scores of 4 to 5 out of 10. Our PPC management service systematically improves Quality Scores to 8 to 10 through keyword-specific ad copy and landing page alignment. A Quality Score improvement from…
Original Research
WordStream
· Original study ↗
Methodology
Range 40-60%, midpoint used. Attributed to WordStream research on Google Ads account structural problems.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Google Ads advertisers: 40% ppc budget wasted share. Source: WordStream (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/ppc-budget-waste-structural-problems
HTML Embed
<blockquote cite="https://lighthousedata.io/data/ppc-budget-waste-structural-problems" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>40%</strong> -- ppc budget wasted share for Google Ads advertisers<br><small>Source: WordStream (2025) · <a href="https://lighthousedata.io/data/ppc-budget-waste-structural-problems" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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