Copy Testing
Practical guides on A/B testing headlines, CTAs, and website copy. Learn what to test, how to measure results, and when to call a winner.
5 Headline Formulas That Actually Convert
Five proven headline formula archetypes that consistently outperform generic headlines by 20-50% in controlled A/B experiments.
A/B Testing Your CTA: Copy, Color & Placement
What to test on your CTA buttons — copy, color, size, placement — and how to measure results and call a winner with confidence.
A/B Test Statistical Significance Explained
How to know — with real confidence — when your A/B test has a genuine winner versus a statistical fluke that will disappear.
How to A/B Test Website Copy Without a Developer
Pixel-based testing tools let marketers launch and analyze copy experiments independently — no engineering queue required.
Copy Testing vs A/B Testing: Key Differences
Copy testing and A/B testing overlap but serve different purposes. Learn when each approach fits, with real campaign examples.
Bayesian vs Frequentist A/B Testing Explained
Bayesian and frequentist testing both work — but they answer different questions. Here is when each approach really matters.
A/B Testing for Beginners: A Step-by-Step Guide
Learn what A/B testing is, why it matters, and how to run your first experiment from scratch — even with zero technical experience.
How to Run Your First A/B Test (Without a Developer)
How to run an A/B test from scratch — a step-by-step walkthrough for marketers who have never tested before. Pick what to test, launch, and declare a winner.
How Long Should You Run an A/B Test? (Sample Size Math)
The answer is not two weeks. Test duration depends on traffic, baseline conversion rate, and the lift you want to detect. Here is the math.
A/B Testing vs. Multivariate Testing: When to Use Each
Multivariate testing sounds more powerful than A/B. For most teams, it is the wrong tool. Here is when to use each — and when A/B/n wins.
25 High-Converting Headline Formulas (With Examples)
High converting headline formulas from winning A/B tests — 25 patterns across 5 categories, with templates, real examples, and why each one works.
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