Just read an information about Google changing the ranking system sometime next month. Wondering what they will have installed for us this time
SEO is search engine optimization. SEO was used to provide traffic on site and increase business. For this purpose they are using some techniques. SEO is very cheap techniques but provide so many benefits to site. It was mostly used for Internet marketing.
Well the article was very complete at the date of the writing. Most of them are still the main focus when it comes to optimizing sites and having a nice rank. But still there are things like meta tags and other that are a little "old school". That doesn't mean you can't do all those and add the new ones for having the optimal workflow!
Search Engine Optimizationc -- the process of making a site "search engine-friendly" — also known as "SEO" -- is probably the most important aspect of website design. Many, many commercial websites are designed and set up by people who know little or nothing about search engine optimization — how to give the search engines what they need to see when they index your site. This long page contains the information (or links to it) that web designers SHOULD know about optimizing a website for the search engines.