How to Use this Site

For Merchants

Compare your theme's data here to your storefront's performance. If your performance is worse, you may have apps and/or customizations impacting it.

If you're shopping for a new theme, you can use this data along with the features of each theme to make a better decision about the tradeoffs.

For Theme Developers

Explore your theme's data to find the biggest opportunities for improving performance. Check both mobile and desktop data. Which metric does your theme struggle with the most? Debug performance further using tools like browser dev tools and WebPageTest on live websites.

Struggling to achieve good Core Web Vitals performance?

Get assistance