SEO and SEM

SEO

Search engine optimization ensures that your website will be

constructed in such a way that it will be returned high on the first page of results for any relevant search made. This is to maximize the number of visitors to a website. This is essentially getting traffic on your website from the 'free' search results on search engines such as Google, Bing or Yahoo who 's primary results are ranked on how relevant they are to the search.

SEM

Search engine marketing is a form of internet marketing. It involves promoting your site by increasing viability on search engine result pages. On websites such as Google Adwords. Google Adwords is a site in which you can bid for certain keywords for your website against other advertisers. If you win the keyword for your website, the site will appear on the search list as an advert high on the list.