Known for their free shipping, Zappos.com is the best online shoe retailer to find your perfect shoe match. The Zappos website is an online shoe retailer featuring thousands of name brand shoes. Whether you need an upscale pair of heels for a black tie event, or new sandals to wear on vacation, Zappos will have it all. The website also features men’s and women’s apparel. Zappos’s success is credited to the free shipping and 24/7 customer service they provide their consumers.