What does seo need to do?

SEO (search engine optimization) translates into search engine optimization. Search engine optimization is a way to improve the natural ranking of websites in related search engines by using the search rules of search engines. The purpose of SEO is to provide ecological self-marketing solutions for websites, so that websites can occupy the leading position in the industry and obtain brand benefits; SEO includes two aspects: off-site SEO and on-site SEO. SEO refers to the behavior of making reasonable planning from the perspectives of website structure, content construction scheme, user interaction and communication, and pages in order to get more free traffic from search engines, so as to make the website more in line with the indexing principles of search engines. The indexing principle of making websites more suitable for search engines is also called search engine optimization. The optimization of search engine can not only improve the effect of SEO, but also make the website-related information displayed in search engine more attractive to users.