A/B Testing

Test everything, optimize for success

Make data-driven decisions with powerful A/B testing. Test subject lines, content, send times, and more. Let your audience tell you what works best.

4.9/5 rating
Trusted by 10,000+ businesses
Version A
24.3%
Open Rate
Version B ✓
31.7%
Open Rate
30%
Avg. Performance Lift
5
Variants Per Test
95%
Statistical Confidence
Auto
Winner Selection

Powerful Features

Everything you need to create successful campaigns and grow your business.

Multi-Variant Testing

Test up to 5 different versions simultaneously to find the best performer.

Test Everything

Subject lines, preview text, content, images, CTAs, send times, and more.

Statistical Significance

Get results you can trust with proper statistical analysis and confidence levels.

AI Recommendations

Get AI-powered suggestions for what to test based on your past performance.

Automatic Winner

Automatically send the winning version to the rest of your list.

Test Duration Control

Set custom test durations or let the system determine when results are significant.

Sample Size Calculator

Determine the optimal test sample size for statistically valid results.

Detailed Reports

Comprehensive reports showing performance metrics for each variant.

Test History

Track all your tests over time and build on winning insights.

Why Choose MSC Marketing?

Increase open rates by 30% or more through systematic testing
Remove guesswork with data-driven decision making
Automatically send the best-performing version to maximize results
Build a library of winning subject lines and content patterns
Test any element of your emails without technical skills
Get statistically significant results you can trust
40%
Average increase in engagement

How It Works

Get started in minutes with our simple setup process.

1

Create Variants

Create 2-5 versions of your email with different elements to test.

2

Define Test

Choose your sample size, duration, and winning criteria.

3

Review & Win

Analyze results and automatically send the winner to remaining subscribers.

“A/B testing with MSC Marketing helped us discover that personalized subject lines increase our open rates by 40%. Game changer!”
A
Alex Johnson
Email Strategist, Marketing Agency

Frequently Asked Questions

How many variants can I test?+

You can test up to 5 variants simultaneously. This allows you to test multiple ideas in a single campaign.

What can I A/B test?+

You can test subject lines, preview text, from name, email content, images, CTAs, send times, and any other element of your campaign.

How do you determine the winner?+

You choose the winning metric (opens, clicks, conversions, or revenue). We use statistical analysis to determine when a winner can be declared with confidence.

What is the minimum sample size?+

We recommend at least 1,000 subscribers per variant for reliable results, but our calculator will help you determine the optimal size for your list.

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