First, market research is essential. You can view the three major categories, including the best sellers ranking, the search ranking and the transaction volume ranking, by searching using keywords.Best Sellers Ranking: You can find hot products on the e-commerce platform using the best sellers ranking. You can then select the top-ranked products to sell based on your actual situation. Such products will usually draw more attention from the customers and help you increase your sales.Search Ranking: You can learn about the popular keywords of the week under the corresponding hot product category. Click on the hot product category you want to learn more about, and the relevant data will be displayed. With this function, you can effectively optimize the keywords for your product, so your product will a top-ranked product in the ranking.3.Transaction Volume Ranking: It is separated into product category ranking, brand ranking and industry ranking.Note: Taobao.com is a large online retailer and a large business circle in the Asia-Pacific region and Amazon is dominant overseas. The data of the best sellers from the two websites mentioned above is usually a better reference than the data from the other websites.