How do free websites make money?

Advertising is the most valuable and relatively mature profit model on the Internet at present. Make use of the traffic advantage of the website, and charge advertisers a certain fee by displaying pictures and text advertisements, thus making a profit. This advertisement can be an advertiser you talk about yourself, or you can join a website alliance (Baidu, Google) to provide a location. Companies like Google and Baidu focus on pushing advertisements, and then you share them with Google. Value-added service fee. There are not many such websites, such as dating websites and professional consulting websites. Most of these websites will implement a free policy for the public, but free users can only use the basic services of the websites. If they want to enjoy better service, they need to pay a certain fee like a website. B2C e-commerce website. This kind of electronic mall is to purchase goods from offline, display sales through the network, and earn the difference. Obviously, this model is not mature. Since 2009, a large number of B2C e-commerce websites have sprung up in China. At present, they are all spending money at the stage of attracting users. Everyone hopes to spend money to circle users first, and then make profits through refined operations. This road is still difficult to walk. C2C and B2B e-commerce websites. This kind of website is equivalent to setting up a vegetable market. Some people come up to sell vegetables, others come up to buy vegetables, and then the market builder will charge a certain fee to the vegetable seller, which is the case in most cases, in order to make a profit. Don't underestimate these advertisements, just say Baidu, they have millions of paying enterprise users, and they can earn more than 10 billion every year by relying on these. Generally, active enterprises spend thousands or millions every month. If Baidu doesn't make money, who will? Besides, these websites that receive 5 yuan and 10 yuan every month are even worse. Their goal is all Internet users. For the average person, 10 yuan is nothing at all. Just this monthly membership fee of 10 yuan has created Tencent, the largest and most profitable company in China, with an annual income of more than ten times that of Baidu. So, on the Internet now, free is the most profitable.