Types of SEO

There are three types of seo-

1.White Hat SEO
2.Black Hat SEO
3.Grey  Hat SEO

1.SEO means White Hat SEO
when any one say seo means talking about white hat seo.the optimisation of a website according to search engine rules.This is a time time taking process but consistent and gradual .

2.Black Hat SEO
Black hat seo  refers unethical use of seo techniques .

SEO(Search Engine Optimisation)

We are living in the age of Electronics.Computer is the best invention of electronics.Internet is the soul of computer and business.SEO is necessary for any business on Internet.Google  is like the God for SEO.
SEO is a  non paid part of SEM(search engine marketing). SEO ( Search Engine Optimization), i.e. getting your site ranked higher so more people show up at your doorstep.For business on Internet ,everyone need a website to explore  about the company ,products and addresses.A lot of websites are created daily all over the world.But only some websites fulfill the business objective .

What is the reason behind it? Answer is SEO.It is a free and cheap  service on Internet.SEO people optimise a site according  the search engines (mainly google) guidelines.Search engines give more weightage to these sites.

There are mainly two parts-
1.On Page
2.Off Page
But an SEO expert  should know following parts also-
3.Search Engines
4.Google analytics
5.Webmaster Tools