Website promotion is a new type of marketing method based on the Internet, with the help of the interaction of the platform and online media to assist the realization of marketing goals. The current common promotion methods of communication are mainly achieved by buying advertisements and the like in major website promotion service providers. Free website promotion includes: SEO optimization of website content or framework to improve the ranking of websites in search engines. Publish information on platforms such as blogs, blogs, WeChat, QQ space, and publish external links on other popular platforms.