If i want to learn about search engine optimization..
so what i do..
In Pakistan There is a big scope of seo..
and less people know about it..
SEO is no precise science. Search engines never tell exactly how they work so much of it is experiences. So it's best to read about it on many different places to build up your own picture. Google is good for find things to read.
seo is a skill or better say method od optimizing your sites for search engines. use proper meta tags, original content, blah..blah..blah...
There are many good sites in the internet that teaches you SEO.