It depends on what you are looking for and what your personal preferences are. Some popular online shopping sites include Amazon, eBay, and Alibaba for a variety of goods, while others such as Etsy and Not On The Highstreet focus on handmade or unique items. Other sites like Overstock and Wayfair specialize in home goods and furniture. It's also important to check for the security and reliability of the site before making any purchase. It's always a good idea to read reviews and compare prices on different sites to find the best deal.