B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
15%
15% -- cpa increase from creative fatigue for digital ad campaigns (2026)
Creative fatigue can increase digital ad campaign CPA by an average of 15% to 25% after 14–21 days without fresh creative variations.
- Applies after 14–21 days without fresh variation
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
15%
Unit
Percentage
Data Vintage
2026
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
AdMapix
Primary
Tier B
https://www.admapix.com/blog/best-practices/ad-optimization-best-practices-for-2026-a-practical-play… ↗
Source Article
Ad Optimization Best Practices for 2026: A Practical Playbook
Ad Optimization Best Practices for 2026: A Practical Playbook
A data-driven guide to creative workflows, A/B testing, benchmarking, and budget allocation frameworks for optimizing digital ad performance.
Advertising optimization in 2026 is less about “secret hacks” and more about disciplined executi…
Original Research
AdMapix
· Original study ↗
Methodology
Midpoint of 15-25% range; fatigue window 14-21 days
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
digital ad campaigns: 15% cpa increase from creative fatigue. Source: AdMapix (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/creative-fatigue-cpa-increase-14-21-days
HTML Embed
<blockquote cite="https://lighthousedata.io/data/creative-fatigue-cpa-increase-14-21-days" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>15%</strong> -- cpa increase from creative fatigue for digital ad campaigns<br><small>Source: AdMapix (2026) · <a href="https://lighthousedata.io/data/creative-fatigue-cpa-increase-14-21-days" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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