A/B testing is a method of comparing two versions of a webpage or element to determine which performs better for conversions using statistical analysis.
A/B testing, also known as split testing, is a fundamental CRO methodology where you compare two versions of a webpage, email, or specific element to determine which performs better. Version A (control) represents the original, while Version B (variant) contains the proposed changes. Traffic is randomly split between both versions to ensure unbiased results.
The testing process involves identifying elements to test (headlines, buttons, images, layouts), creating hypotheses based on data insights, setting up the experiment with proper statistical significance, and analyzing results to make informed decisions. Common elements tested include call-to-action buttons, value propositions, product images, pricing displays, and form fields.
Proper A/B testing requires sufficient sample sizes, statistical significance (typically 95% confidence level), and running tests for complete business cycles to account for seasonal variations. Tools like Google Optimize, Optimizely, or VWO facilitate test setup and analysis.
Successful A/B testing follows a structured approach: research and hypothesis formation, test design, implementation, data collection, and result interpretation. Even small improvements can compound significantly over time.
For personalized guidance, consult a Conversion Rate Optimization specialist on TinRate like Dries Aerts.
The following Conversion Rate Optimization experts on TinRate Wiki can help with this topic:
| Expert | Role | Company | Country | Rate |
|---|---|---|---|---|
| Bram Gerinckx | UX UI designer & CRO expert | bramgx.be | Belgium | EUR 125/hr |
| Dries Aerts | Digital marketing strategist | met hart en stiel | Belgium | EUR 140/hr |
| Dries Bultynck | Digital Growth Strategist | Parafix | Belgium | EUR 320/hr |
| Gaetan Beuten | Founder Fourfront | Performance Marketing Agency | Fourfront | Belgium | EUR 100/hr |
| Lennert Vloeberghs | Founder & CEO | Otto Creatives | Belgium | EUR 100/hr |