Top E- commerce platform in USA

Here are some of the top e-commerce platforms in the USA (both marketplaces and store builders), along with key features and market share. If you want, I can also list ones that are strong in niches or growing fast.

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Marketplaces (Retail Sites)

These are platforms where many different brands/sellers list and sell products.

Platform What makes it strong / Unique

Amazon Largest in the US; huge traffic, very mature fulfillment system (e.g. Prime, FBA), huge variety. 

Walmart.com Combination of online + strong physical retail network; omnichannel pickup, etc. 

eBay Auctions + “Buy It Now”, deals in used, rare, niche goods. 

Etsy Specialty in handmade, craft, vintage goods; big for independent makers. 

Temu Relatively new, growing fast especially in budget cross-border goods. 

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Store-Builder / Platform Software

These are tools you use to build your own online store (as opposed to listing in a marketplace).

Platform Market Share / Key Strengths

Shopify Very popular; in the USA ~28-29% market share among e-commerce store builders. Easy to use, lots of integrations, good for both small & scaling businesses. 

Wix Stores Strong in ease of use, design; quite large share. 

Squarespace (Commerce / “Add to Cart”) Often chosen for design-centric stores (portfolios, creative businesses). 

WooCommerce Plugin-based, works with WordPress; very flexible and widely used. 

Ecwid Simpler add-ons / integrations for smaller sellers; less market share than the big ones but useful. 

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Key Statistics & Takeaways

Shopify has ~28-29% share among US online stores using dedicated e-commerce platforms. 

Wix Stores ~23%. 

Squarespace commerce ~16%. 

WooCommerce Checkout ~14%. 

Ecwid ~4%.