The gap between mobile and desktop performance is the biggest, most fixable source of lost revenue in ecommerce right now. Your desktop score isn't the one that matters. Your mobile score is. And it's almost certainly worse than you think.

I ran WebPageTest audits on 100 Shopify stores. The average mobile performance score was 31 out of 100. Here are the three most common issues and how to fix them.

As acquisition costs rise and the internet becomes more crowded, web performance, accessibility, and UX are becoming the key differentiators for successful e-commerce businesses.