Best A/B Testing Tool for Low-Traffic Websites

TL;DR

For low-traffic sites (<10,000 visitors/month): Use ExperimentHQ or GrowthBook with Bayesian statistics. Test bigger changes (not button colors), run tests longer (4-8 weeks), and focus on your highest-traffic pages. Don't expect statistical significance on small tweaks—it's mathematically impossible without massive sample sizes.

Who this is for

Websites with 1,000-10,000 monthly visitors
Early-stage startups and small businesses
Niche B2B companies with limited traffic

Who this is NOT for

Sites with under 500 monthly visitors (focus on growth first)
High-traffic sites (see our general best practices)

The Hard Truth About Low-Traffic Testing

Let's be honest: A/B testing with low traffic is hard. Here's why:

•To detect a 10% improvement with 95% confidence, you need ~30,000 visitors per variant
•At 5,000 visitors/month, that's 12+ months for one test
•Most "winners" on low traffic are false positives

This doesn't mean you can't test—it means you need different strategies.

Tool Comparison

Tool	Price	Min Traffic	Verdict
ExperimentHQ	Free - $29/mo	500/mo	Best Overall
VWO	$10,000+/yr	1,000/mo	Overkill
Convert	$699/mo	1,000/mo	Good but expensive
GrowthBook	Free (self-hosted)	500/mo	Best open source

5 Strategies for Low-Traffic A/B Testing

1. Test bigger changes

Small tweaks need huge sample sizes. Test dramatic differences (completely different headlines, layouts, or value props).

2. Use Bayesian statistics

Bayesian methods give you probability of winning, not just pass/fail. More useful for low-traffic decisions.

3. Focus on high-impact pages

Test your homepage or pricing page, not blog posts. Concentrate traffic where it matters.

4. Run longer tests

Accept that tests will take 4-8 weeks instead of 2. Patience beats false conclusions.

5. Combine with qualitative data

Use heatmaps, session recordings, and user interviews alongside A/B tests.

Our Recommendation

For most low-traffic sites: Use ExperimentHQ. Free tier, Bayesian statistics, and designed for sites that can't wait months for results.

For technical teams: GrowthBook is excellent and free if you self-host.

FAQ

Can I A/B test with only 1,000 visitors/month?▼

Yes, but only for big changes. You won't detect a 5% improvement, but you might detect a 50% improvement. Focus on dramatic changes like completely different headlines or page layouts.

What's the minimum traffic for A/B testing?▼

Realistically, 500 visitors/month to your test page. Below that, use qualitative methods (user interviews, heatmaps) instead of A/B tests.