A/B tests and help track and improve your page's performance. Replo comes with built-in A/B testing, you can find more about Replo Experiments here.
If you're already using another platform to do experimentation, that's totally cool too. Below is a guide on how to find the best A/B testing tool for your storefront —
How to Choose the Right A/B Testing Tool for Your Store
Choosing the right tool is like choosing the right ice cream flavor. It depends on your taste (or in this case, your needs and comfort level).
Ask yourself, do you need a simple tool or an advanced one? Are you comfortable with technology or do you prefer something easy to use? How much are you willing to spend?
Optimizely: Optimizely is like your all-knowing guide. It's a bit more advanced and has more features than Google Optimize. It can help you run more complex tests if you're ready for them.
VWO (Visual Website Optimizer): VWO is like your friendly helper. It offers heatmaps, which show you where people are clicking on your site, along with the ability to run A/B tests.
Shoplift: Shoplift is the newest tool in this list and is a Shopify app. This means that the split-testing is integrating directly into your themes from the jump, without any additional setup on your part.
These are just a few tools. There are many more out there! Remember, the best tool is the one that suits your needs, budget, and feels comfortable to use.