WeLookup is a free Chrome add-on designed for ecommerce professionals, enabling users to analyze online stores, including Shopify, WooCommerce, and Magento. This tool allows users to detect the platform and storefront of any ecommerce site, measure page performance metrics such as requests, transfer size, and more. With its lightweight and fast operation, WeLookup runs entirely in the browser without collecting or sending any user data, ensuring privacy and security.

The program also identifies installed apps and tools utilized by online stores, covering analytics, email services, reviews, support options, and payment systems. WeLookup is particularly useful for dropshippers, ecommerce agencies, and technical marketers, providing insights into competitor strategies and helping users enhance their own store performance. Overall, it offers a comprehensive, user-friendly solution for anyone involved in the ecommerce landscape.