What Is Retail E-Commerce?


Types of e-commerce - B2C, B2B, C2C, C2B, D2C illustration

Retail e-commerce is the sale of physical goods directly to consumers through digital channels like websites, mobile apps, and online marketplaces. By 2026, e-commerce is forecast to claim over 21% of total global retail sales, pushing physical retail’s share below 79% for the first time, with mobile now accounting for roughly 44% of online retail sales in the US.

Key Takeaways

  • Retail e-commerce specifically covers physical goods sold directly to consumers online.
  • E-commerce is forecast to reach over 21% of global retail sales by 2026.
  • Mobile now accounts for roughly 44% of online retail sales in the US.
  • AI-powered personalization increasingly drives recommendations, email timing, and search ranking.
  • Retail e-commerce spans websites, mobile apps, and third-party marketplaces.

What Makes Retail E-Commerce Different

Retail e-commerce specifically refers to selling physical goods, as opposed to digital products or services, directly to individual consumers. It’s the online equivalent of a traditional retail store, minus the physical location.

The Channels That Make Up Retail E-Commerce

Retail e-commerce happens across a store’s own website, dedicated mobile apps, and third-party marketplaces like Amazon or Walmart. Most successful retailers operate across more than one of these channels simultaneously to reach shoppers wherever they browse.

Mobile’s Growing Share of Retail Sales

Mobile commerce is no longer a secondary channel. It now accounts for roughly 44% of online retail sales in the US, meaning a store optimized only for desktop is leaving a substantial share of potential revenue on the table.

AI Personalization in Retail E-Commerce

AI-powered personalization now shapes product recommendations, email send timing, and even how products rank in on-site search results. Retailers using this well see stronger engagement without adding extra steps for the shopper.

Retail E-Commerce’s Growing Share of Total Retail

E-commerce is forecast to claim over 21% of total global retail by 2026, pushing physical retail’s share below 79% for the first time. The global e-commerce market overall is projected to surpass $6.8 trillion.

Retail E-Commerce at a Glance

ChannelDescriptionBest For
Brand websiteDirect sales through the retailer’s own storeFull control over branding and customer data
Mobile appDedicated app for repeat shoppersLoyalty programs and push notifications
MarketplaceSelling through Amazon, Walmart, or similarReaching shoppers who search there first

Common Mistakes in Retail E-Commerce

  • Treating mobile as an afterthought. Nearly half of online retail sales now happen on mobile devices.
  • Relying on a single sales channel. Marketplaces and a brand website often reach different shopper segments.
  • Ignoring personalization tools. Generic recommendations convert far worse than AI-driven relevant ones.

Expert Insight

Retailers gaining share in 2026 tend to treat mobile and marketplaces as core channels rather than afterthoughts to a desktop website. The shift toward digital retail isn’t slowing down, and the gap between mobile-optimized and desktop-only stores keeps widening.

Frequently Asked Questions

What’s the difference between retail e-commerce and general e-commerce?

Retail e-commerce specifically covers physical goods sold to consumers, while general e-commerce also includes digital products, services, and B2B transactions.

How big is retail e-commerce expected to be in 2026?

E-commerce is forecast to claim over 21% of total global retail sales by 2026, with the overall e-commerce market surpassing $6.8 trillion.

Should small retailers sell on marketplaces or their own website?

Ideally both. Marketplaces reach shoppers who search there first, while a brand website gives full control over branding and customer data.

Why does mobile commerce matter so much now?

Mobile accounts for roughly 44% of online retail sales in the US, so a store not optimized for mobile is missing a large share of potential customers.

Conclusion

Retail e-commerce is steadily taking share from physical stores, and mobile and marketplaces are now core to reaching shoppers. For related fundamentals, see e-commerce supply chain management explained, review what B2C e-commerce is, or read what e-commerce is and how it works for the basics.

How Retail E-Commerce Differs From Wholesale

Retail e-commerce sells directly to individual end consumers, usually at higher per-unit margins but lower order volumes, while wholesale e-commerce sells larger quantities to other businesses at reduced prices. Many brands run both models simultaneously through separate storefronts to reach each audience without pricing conflicts.

Channels Within Retail E-Commerce

Retail e-commerce spans a brand’s own website, third-party marketplaces like Amazon, and increasingly social commerce platforms, each with different fee structures and levels of control over the customer relationship. Choosing which channels to prioritize depends on where the target audience already shops and how much brand control matters for the business.

Why Product Presentation Matters More Online

Without the ability to physically handle a product, retail e-commerce relies heavily on high-quality images, detailed descriptions, and honest reviews to replace the in-person shopping experience. Stores that under-invest in product presentation often see higher return rates from customers whose expectations didn’t match what arrived.

The Role of Customer Reviews

Reviews help fill the trust gap left by not being able to see a product in person, and stores that actively encourage honest reviews, even negative ones, tend to build more credibility than those that only show curated feedback.