What is SEM?

SEM is the abbreviation of Seach Engine Marketing composed by many techniques to improve the rankings on the search engines like Google, Yahoo and Bing , One of the most known techniques of SEM is the SEO Search Engine Optimization, which sometimes is confused with the SEM itself.

Making links from other sites or blogs to your website is a very effective technique of SEM, that helps your website a lot to become popular on the web and increase rankings . There are two types of links: follow vrs not follow, the follow links are crawled by the search engines on the contrary the non follow dont , for the SEM you need follow links, make sure the backlinks you are getting are follow.

Other important aspect of the link building is the anchor text which must have the keywords you what to rank with.
For example when you see a word of a phrase over the internet that you can click and goes to somewhere else, that word of phrase is the anchor text, follow the next link to learn how to make an anchor text How to make an anchor text?