Definitions of SEM/SEO

SEM and SEO are not the same thing. As suggested by its name, SEM, or Search Engine Marketing, handles more on the way marketé a website to improve its visibility, its exposure in the different search engines available on the Internet. While SEO, Optimization for search engines, defines how web designers develop and re-develop the content, quality and structure of their entire website, so that whenever someone enters a particular word in the search engines, their website has a better chance to appear in the top positions of results SERPs. (Search Engine Result Pages)

The SEM: Marketing Search Engines

The main function of SEM is to get more exposure for a website. One of the most common ways to generate this attraction is advertising on the Internet: blogs, articles, partner sites, sites sponsors, and anything that might attract the eye of a visitor. The SEM also employs the PPC (Pay-per-click: listings), and submissions pay to increase the visibility of websites. Finally, it is also important to submit the name and URL of a website in the different search engines and directories, but only to inform them of the existence of the site. This ensures the popularity of your site (number of pages that link to your site).


The SEO: Optimization for Search Engines

Although all the publicity comes from the function SEM, it is true that the SEO allows users to easily find what they are looking for. Given that the function of SEO is to better position itself in the search engine results, the designer must constantly optimize its site to cater for the needs of Internet users. It should also facilitate the work of engine crawlers (spiders or Spiders) so that they can judge whether the content of the site is relevant to the search terms.

The optimization is not a simple nor easy. It induces steady restructuring of the site (by editing the HTML code and meta tags, changing the content, reorganization of the site plan, developing a navigation structure more fluid ...) to adapt quickly to changes Internet applications and / or algorithms engines.

Used properly, not only helps the SEO site to become more useful and therefore most visited by Internet users, but it also helps to develop its visibility because it allows for a higher position in the engines.