If there's one thing consumers have a ton of, it's options. From department stores bespoke boutiques to online hype hubs, there seems to always be a new must-have brand on the rise.

As the number of consumers continues to grow, so is the popularity of one-stop online marketplaces that offer everything from beauty and personal care, consumer electronics, food, apparel, and more.

Different marketplaces have specific requirements, product categories, audiences, and listing fees. It's your job to compare and choose the best one to support your business needs. But don't worry – we're here to get you started.

Amazon and eBay are two of the largest e-tailers in the world, and unsurprisingly, are often the first choice for online shoppers.

To help you determine which marketplace is the best fit for your brand, we've conducted the ultimate comparison using insights from Similarweb Digital Research Intelligence. Read on to see how the battle plays out.