Everybody who have website is carzy about its website's search engine optimization, he need its site to be top for targeted keywords. But I want to know- Is search engine optimization really needed?

if you want a Need to business thats way its needed.

Its is compulsory if you are doing online business.

SEO is a major part of Internet marketing. It is very useful in modern internet marketing strategy.

SEO, or Search Engine Optimisation, is the practise of making your website function better in the eyes of the search engines. SEO is really needed if you want your site listed in higher position in search engines result and making it more visible to your customers.

no, you don't need search engine optimization, if you DON'T want to appear in Search Engines, and don't want having visitors from search engines.

But... who wants that anyway ?

Yes! If you want search engines to love your website, you need to optimize your website for search engines.