Optimizing a website is something that is also related to the development
study and needs to be implemented in the beginning of the website creation.
Information structure and all needed things has to be considered important
for the end result. search engine optimization
Professional SEO is based on the sitemap and information structure in order to make the best possible website positioning. Website stucture is very important to search engines as they understand better the website, navigation and information.
Semantic mark-up is not something new but it is rarely used by web designers today. 90% of web designers are still struggle with table web design, it is totally wrong and in out opinion the worst scenario for SEO, even it can give good results.
All SEO has a base in the content structure and to understand the possible target group. Marketing analysis and plannng is the key of a succeful SEO proposal in general.