SOME QUICK GENERAL INFO ON SEO
These are the search ranking factors that are almost entirely within the publisher’s own control. What type of content is your site made up of?
Are you providing HTML internal links with relevant anchor text? Is there a sitemap that allows Google to easily map out your site?
Content in general is very important. The content that gets ranked highly will be informative "how to" content. The quality of content and the proper keywords within the content body is very important. SEO is important for any website. Whether you are selling online or want more exposure for your company online SEO is a must.
SEO is not achieved in a week or a month. SEO is a gradual process that involves on-site SEO as well as off-site SEO. If SEO is done too quickly the negative effects will be penalties from Google. These penalties can result in low rankings meaning your website will go from page 3 to page 40 of Google search ranking. Another penalty can be a total band from Google. There are many companies out there claiming to get you onto Google in a short period of time. Be careful because these rankings can be short lived.
There are also many websites bursting your website to increase backlinks. The backlinks are from low page rank websites. Websites page rank are determined by importance, relevance, reliability, and reputation of your site. The more links you get from high page rank sites the better. 1 Backlink from a high page rank site is much better then 1000 links form a low page rank site.
Google is also making a certain amount of changes to their algorythm. This is the system they use to determine rankings on Google. The point to remember is that Google are constantly improving their search results to give their cleints a better experience and avoid spam sites and irrellevant information.