1 SEO is done for making a webs ite comes in view of major search engine like google,yahoo,bing etc
2 Two major practices are followed here -Off page and ON page
3 ON page SEO- deal with website itself in following manner
a) Placement of keywords
b) Meta tags,meta keywords(GOOGLE dont consider it ),content,sitemap,robots.txt,analytics setup for tracking and control of website
c) Keywords must be RELATED to the page we are placing upon.
d) Keyword density should be approx 3-4% enough
e) NEVER repeat keywords in title,meta keywords or anywhere on the site
f) URL optimization
g) URL re-written
h) Removal of iFrames,performing html validations etc
4)OFF page SEO deal with generating more & more backlinks ,hence includes -
a) Directory submission
b) Social Bookmarkings
c) Article submission
d) Blog commenting
e) Forums
f) RSS submission(in case of SEO of BLOG)
g) BLOG posting(relevant and unique content only)
h) LINK exchange
i)CLASSIFIEDS(IF you want to increase traffic)