(SEO is even search engine optimization, the English name is SearchEngineOptimization, abbreviated as SEO. SEO is built on the basis that the search engine is centered on the user's search and understanding. By choosing a technical method that is easy for search engines to index, the website connection structure is more clear, the content of the website is clearly expressed, and then it provides users with excellent use and understanding, and then Gain confidence in search engines and full entry of pages.)