The Copysplit Blog

Insights on copy testing, conversion optimization, and AI-powered marketing

Copy Testing

5 Headline Formulas That Actually Convert

Your headline is the first thing visitors see — and often the last. These five proven formulas consistently outperform generic headlines in A/B tests across thousands of landing pages.

Sarah Chen6 min read · March 15, 2026
Copy Testing

A/B Testing Your CTA: The Complete Guide

Your call-to-action button is where intent becomes action. Learn exactly what to test, how to measure results, and when to call a winner in your CTA experiments.

Marcus Rivera8 min read · March 8, 2026
AI & Automation

How AI is Changing Copywriting in 2026

AI isn't replacing copywriters — it's giving them superpowers. Here's how the smartest teams are combining human creativity with AI-generated variations to optimize faster than ever.

Emma Blackwell7 min read · February 28, 2026
Agency Growth

Scaling Copy Testing Across 10+ Client Sites

Running A/B tests for one site is straightforward. Managing tests across a portfolio of client sites requires a system. Here's the workflow that top agencies use.

Marcus Rivera7 min read · February 12, 2026