Shopify

Shopify is the leading dedicated e-commerce platform, designed specifically for building and scaling online stores. It's the go-to choice for entrepreneurs and businesses of all sizes focused primarily on sales. The platform provides a comprehensive suite of tools for products, inventory, payments (Shopify Payments), shipping, and POS. Its vast app store allows for extensive customization.

While its blogging and content pages are functional, its core strength is commerce. It ranks near the top due to its unmatched e-commerce feature set, reliability, scalability, and extensive ecosystem, making it the best pure online store builder available.