Shopify stores using Ecom Optimization theme

How many Shopify stores use Ecom Optimization theme?

Ecom Optimization theme is used by 85 active Shopify stores, 0% of the 750,590 stores we track (October 2026). That ranks it number 354 of 458 shopify theme themes we detect, by number of stores. Notable stores using it include My Store, My Store, Airmerckss. Hong Kong SAR China has the most stores using it (72, or 0.5% of that country's active Shopify stores). We read the theme each storefront reports to Shopify, so customized copies still count under the original theme name and stores on fully custom builds are not counted. Counts refresh with every crawl of the full store list.