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Clerk.io

Automate A/B testing, analyze customer behavior, optimize website performance with advanced product recommendations.

Try Clerk.io free
  • Free plan available
  • No credit card
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What is Clerk.io?

Clerk.io is a platform designed to help online retailers improve website performance through data-driven testing and personalisation. It focuses on three main areas: running A/B tests to compare different versions of your site, tracking how customers behave as they browse and shop, and displaying personalised product recommendations based on that behaviour. The tool is aimed at e-commerce businesses that want to increase conversion rates and average order value without needing to hire a large analytics team. It works by collecting visitor data, automatically testing variations of your site, and suggesting which changes perform better, then implementing those recommendations across your store.

Key features

A/B testing

Set up and run automated tests comparing different versions of product pages, layouts, or recommendations

Behaviour analytics

Track how customers interact with your site, including browsing patterns and purchase history

Product recommendations

Display personalised suggestions to visitors based on their behaviour and similar customer patterns

Performance reporting

View test results and metrics to understand which changes lift conversion rates

Integration with e-commerce platforms

Connect with popular shop software to collect data and implement changes

Pros & cons

Advantages

  • Automates the testing process, so you don't need to manually set up each experiment
  • Provides practical advice into customer behaviour without requiring advanced technical knowledge
  • Freemium pricing means you can start testing with limited data before committing to a paid plan
  • Personalisation can help increase average order value and customer satisfaction

Limitations

  • Most advanced features likely require a paid plan, limiting what free users can do
  • Requires sufficient traffic to generate statistically reliable test results; smaller sites may need longer testing periods
  • Like all behaviour tracking tools, it depends on proper implementation to capture accurate data

Use cases

Online retailers testing different product page layouts to increase sales

E-commerce businesses personalising recommendations for repeat visitors

Shops analysing which product categories or promotions drive the most revenue

Retailers optimising checkout flow by testing variations and measuring conversion impact

Teams comparing the effect of different product images or descriptions on customer purchases

Ready to try Clerk.io?

Try Clerk.io free

Pricing

Free

Free

Basic A/B testing and behaviour tracking for small shops; limited number of experiments and recommendations

Paid plans

Contact for pricing

Advanced testing features, unlimited experiments, detailed analytics, priority support, and larger recommendation capacity

Get started with Clerk.io

Click through to Clerk.io and start using it now.

Try Clerk.io free
  • Free plan available
  • No credit card