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3 -- median tests per month for companies running A/B tests (2025)

Name: Median Tests Per Month Statistics
Creator: Lighthouse Intelligence
Published: 2026-09-29

2025 · n=127,000 · Optimizely

According to Optimizely's analysis of 127,000 experiments, the median company runs about 3 tests per month.

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Attribution: Optimizely View source

Lighthouse Research Team

Last verified: 2026-09-29 · How we verify data →

Source verified Evidence graded

Value

Unit

Count

Data Vintage

2025

Entity

companies running A/B tests

Sample Size

127,000

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

61/100 confidence

Single source - not yet corroborated

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Source

Optimizely Primary Tier B

https://kirro.io/cro-strategy ↗

Confidence: 53/100 Vintage: 2025 Channel: Deep Crawl

Source Article

CRO Strategy: A Phased Plan for Every Business Stage

A CRO strategy is a plan for improving your website’s conversion rate through research and testing. Matched to where your business actually is right now. Not where some consultant thinks you should be. Where you are today. Most businesses skip this entirely. They read a blog post about what CRO is, …

Original Research

Optimizely · Original study ↗

Methodology

Optimizely analysis of 127,000 experiments

Methodology documented

Segmentation

IndustryB2B Company SizeEnterprise RoleAll marketers Channelmulti-channel

Cite this stat

Plain Text

companies running A/B tests: 3 median tests per month. Source: Optimizely (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/median-tests-per-month-optimizely

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<blockquote cite="https://lighthousedata.io/data/median-tests-per-month-optimizely" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>3</strong> -- median tests per month for companies running A/B tests<br><small>Source: Optimizely (2025) · <a href="https://lighthousedata.io/data/median-tests-per-month-optimizely" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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