Search Engine Optimisation or (SEO) for short is a practise where you actively optimise a website to improve its ranking on search engines by improving external and internal parts of the website, this in turn will help increase traffic to your site from the major search engines.
The major search engines are Google,Yahoo, MSN, Askjeeves and AOL (AOL search engine is powered by Google)
If your site is not found by these search engines or your content is not on there data base your are missing out on missed opportunities for your business.
The internet environment is becoming increasingly more competitive and those companies practising SEO will have an advantage in getting visitors and customers.