The keyword 'CRM' is very popular in the CRM management system industry, with search volume consistently stable above 1000. However, competition for SEO optimization in this field is intense. After we optimized the term 'CRM' for our client, we quickly ranked it on the first page upon receiving the optimization order, though initially unstable (coinciding with a major search engine algorithm update). After about two weeks, CRM stabilized in the top 3 positions. Our client's confidence in our SEO technology grew from initial experimentation to firm belief.