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The 5 Best Website Optimization Tools Compared
Your website might be losing visitors without you even knowing it. Slow load times, confusing navigation, or pages that don’t show up in search results…
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The 31 Best Homepage Design Examples for Your Website
The first step in winning over more customers is to understand the essential elements that…
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7 Call to Action Examples You Have Never Seen Before
At great risk to my sanity, I went to find call to action examples (CTAs)…
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A/B Testing Basics: How to Get Valid, Actionable Results
If you’re not A/B testing your site, you’re leaving money on the table. The only…
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Expert insights on marketing, conversions, and usability from the Crazy Egg team
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Product Update: Google Analytics 4 (GA4) Integration for Crazy Egg A/B Tests
You can now use Google Analytics 4 (GA4) to analyze and segment engagement metrics, for each of your A/B Testing page variants on Crazy Egg….
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What Is Website Content? Types, Examples, and How to Write It
When done well, website content builds brand visibility and authority, showcases business value, and converts visitors into customers. Creating effective website content is harder than…
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A Practical Guide to Email A/B Testing
The payoff from email A/B testing is simple: sending two different versions of an email to two recipient subgroups lets you reliably identify the better-performing…
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![13 A/B Testing Metrics That Matter [Primary, Secondary & Guardrail]](data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%201200%20500'%3E%3C/svg%3E)
13 A/B Testing Metrics That Matter [Primary, Secondary & Guardrail]
To run effective A/B tests, you need three kinds of metrics: primary, secondary, and guardrail. Primary metrics show you whether the test variant wins and…
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5 Top Copywriters Share Their AI Philosophy and Favourite Tactics (With Detailed Breakdowns)Â
Adoption of AI as a copywriting tool is surging. If you work on marketing or sales materials in any capacity, there’s a good chance you’ve…
![13 A/B Testing Metrics That Matter [Primary, Secondary & Guardrail]](https://ceblog.s3.amazonaws.com/wp-content/uploads/2026/06/09111940/AB-Testing-Metrics-conversion-formula.png)
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