B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
22%
22% -- test data discrepancy for client-side A/B testing tools (2026)
Some practitioners report a 22% gap between client-side A/B test data and reality caused by ad blockers.
- Reported by some practitioners due to ad blockers messing with browser-based testing
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
22%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
kirro.io
Primary
Tier C
https://kirro.io/ab-tasty-alternatives ↗
Source Article
8 Best AB Tasty Alternatives (2026)
Kirro, VWO, and Convert are the strongest AB Tasty alternatives for most teams. But the best pick depends on your budget, your team size, and how much setup you’re willing to do.
One thing you should know before reading any other “AB Tasty alternatives” article: AB Tasty and VWO merged in January 20…
Original Research
kirro.io
· Original study ↗
Methodology
Practitioner reports on ad blocker impact
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
client-side A/B testing tools: 22% test data discrepancy. Source: kirro.io (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/adblocker-test-data-gap-22
HTML Embed
<blockquote cite="https://lighthousedata.io/data/adblocker-test-data-gap-22" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>22%</strong> -- test data discrepancy for client-side A/B testing tools<br><small>Source: kirro.io (2026) · <a href="https://lighthousedata.io/data/adblocker-test-data-gap-22" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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