Our latest forecast shows that Amazon, Walmart, and eBay will remain the top three largest ecommerce companies in the US by total sales volume, while Best Buy and Target will usurp The Home Depot and Wayfair for the No. 5 and No. 6 spots on the 2021 list, respectively.

As it turns out, click and collect accounted for much of the ecommerce growth that several large US retailers saw in 2020, including The Home Depot (73.4% of ecommerce growth), Lowe’s (72.1%), and Best Buy (44.8%). Certain patterns stood out:. Home improvement retailers leaned the heaviest on click and collect.

Home improvement retailer The Home Depot is continuing to build on its loyalty program to create more personalized in-store and online experiences.

As it turns out, click and collect accounted for much of the ecommerce growth that several large US retailers saw in 2020, including The Home Depot (73.4% of ecommerce growth), Lowe’s (72.1%), and Best Buy (44.8%).

Because the entire ecommerce market caught a tidal wave during April and May, with several top retailers—including Walmart, Target, Best Buy, The Home Depot, Wayfair and Etsy—posting year-over-year gains of 70% or more during that period.

In the past few months alone, major brands including Coca-Cola, Facebook, The Home Depot, and Unilever have all announced global agency reviews. Four in 10 brand marketers surveyed by Adweek Intelligence in October and November 2020 planned to retain their current agencies.

The Home Depot and Wayfair continued to ride the wave of home improvement. Best Buy benefited from a season of high-demand consumer electronics products like the iPhone and from the release of Xbox Series X and PlayStation 5. Mobile retail apps are a critical touchpoint for holiday ecommerce.

Business Insider Intelligence research analyst Daniel Keyes, eMarketer principal analyst Andrew Lipsman and senior forecasting analyst at Insider Intelligence Cindy Liu discuss how Walmart, Target, Best Buy, The Home Depot, eBay, Etsy and Kohl's are doing and what their performances tell us about the changing US shopper.

Other top 10 retailers like The Home Depot, Target, Best Buy and Costco Wholesale are positioned for significantly above average ecommerce growth. Read Next.

Grand Rounds’ membership grew 55% annually last year, and it now boasts over 130 employer partners, including big names like Walmart, Home Depot, Salesforce, and Uber. And the firm has been hinting at a bigger move into telehealth: In September 2020, it nabbed $175 million in funding, which it said it wanted to siphon toward expanding its telehealth capabilities.

Home improvement sites like The Home Depot and Canadian Tire saw increased respective traffic of 55.0% and 33.7% in April compared with March. For mass merchants, Costco was up 25.7%, and Walmart.ca increased 20.6%. Wayfair was up 41.1%; Best Buy increased by 44.2%; and Apple sites were up by 15.3%.

eMarketer global director of public relations Douglas Clark compares our in-store sales and retail ecommerce forecasts and talks Macy’s, Walmart and The Home Depot.

The Home Depot rounds out the top 5 at 1.7%, a market share it has consistently increased by 0.1 percentage points year over year since 2016. Walmart and The Home Depot, the two biggest winners of this group, owe much of their growth to best-in-class click-and-collect capabilities.

The leading big-box retailers will see more impressive rates of growth, led by Best Buy (up 105.5%), Target (up 103.5%), The Home Depot (up 71.2%), Walmart (up 65.4%), and Costco (up 60.3%). Beyond the top 10, prestige retail brands have performed well this year and should ride the wave right into the holiday season.