How do travel websites generally make money?

Travel websites generally make profits by earning transaction commissions and advertising revenue. 1. Earning transaction commission means that the user makes a reservation through the interface of the website, and the website or hotel being booked gives the website a part of the commission. One of the more common methods is to leave the booking steps to the booking website (such as Booking.com). After the user successfully makes a reservation, the booking website will pay a portion of the commission to the travel website. (<--The two methods in the question) Another emerging method is within travel websites. That is to say, when users plan to book, they will not be redirected to the booking website to the web page, but will always stay on the travel website, but the travel website will still hand over user information and payment information to the booking website for processing. 2. Advertising revenue refers to... you all know. There are several ways to do this: CPC (costper click) refers to the fee that the merchant has to pay every time a click is clicked. For example, I am Yixiao Hotel, and I put my hotel link or information (depending on the company) on a travel website. Then every time a user clicks on my link or information, I will pay a certain fee to the travel website. CPM (costperimpression) refers to the cost per browse. For example, if I have a page for Yixiao Hotel on a travel website, then how much will I pay each time it is viewed. Additional services such as Businesssubscription. For example, I hope that Yixiao Hotel not only has very basic information on the travel website, but also has additional introductions or pictures. In this case, I have to pay.