SEO is the short form of "search engine optimization". It is the process of increasing a site visibility in search engines on some particular keywords without paying money and any charge". In Web Promotion we have to target the website for local search and image search and video search and for web optimization different method are used to optimize your website. Google are now day, like Google and Yahoo are having very strict rules for optimization & if you are going to doing optimization you should check out the webmaster guidelines from Google. People now days do spam when they do the directory submission, blog comment and more so they break the rules and their rank of keyword doesn't go up. Spamming can also make your site Banned. For better ranking you need to put the quality on your site before doing Promotion for this one site and then follow the rules whatever you are going to do and Search Engine Optimization provides you many benefits like these.
1. You get targeted traffic to your site.
2. Increase sales of your products.
3. Increases a web site's visibility.
4. Good Return of Investment.
In the simple wordwebsite promotion makes your site to come in various search results on some particular keywords chosen by the SEO to optimize it. It totally depends on a SEO how he optimized the site according to website and SEO can optimized the site for image results and for video results so Site optimization is a big task and you need to be aware of all new SEO trends to make your website to get it a position of no 1 on Google.
For more info visit here.http://seoandtips.blogspot.com/