B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
46,338
46,338 -- sample size visitors required for 6-version multivariate test (2026)
A medium multivariate test with 6 versions requires 46,338 visitors.
- Based on statistical model/power analysis assumptions by Georgi Georgiev
Lighthouse Research Team
Last verified:
·
How we verify data →
Evidence graded
Value
46,338
Unit
Count
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
Source Article
Multivariate testing vs A/B testing: when to use each
Multivariate testing lets you test multiple page elements at the same time. Different headlines, images, and buttons, all mixed and matched to find the winning combination. It sounds like the smart play. Test everything at once, find the best combo, move on.
But most websites don’t have enough visit…
Methodology
Sample size analysis by Georgi Georgiev, Statistical Methods in Online A/B Testing
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
6-version multivariate test: 46,338 sample size visitors required. Source: (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mvt-traffic-46338-vs-ab-19470
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<blockquote cite="https://lighthousedata.io/data/mvt-traffic-46338-vs-ab-19470" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>46,338</strong> -- sample size visitors required for 6-version multivariate test<br><small>Source: (2026) · <a href="https://lighthousedata.io/data/mvt-traffic-46338-vs-ab-19470" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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