SEO and the relationship between the code
 

Broadly speaking SEO belongs to promote, programming development do web site belongs to. Both on the surface not related, at present in view of the small and medium-sized web site operation mode is not relevant. Because most enterprise web site looking for site construction company after the finish is to employ SEO personnel management. And many SEO personnel will only point SEO foundation, write some articles have external chain, when a "super" editor. Actually SEO continues throughout the website construction + operation process, from the site to site to subsequent network marketing promotion, SEO need involved is responsible for a block. So from the terms of site SEO will be responsible for what? 1. The HTML code optimization. 2. Links layout 3. Web site layout 4. URL layout 5. Related technologies and so on, only these and site developers good communication, do something wrong to web site can only is the marketing type classic website.