AlexXL: Why do SEO on a site ?

You will get your website better ranked in search engines. Which is the main goal if you want to have organic traffic (from search engines).

I think what SEO stands for basically gives you the biggest reason to perform SEO on a website and that is that you're optimizing your website to be found in search engines which really is exactly what you want for any website you own.

You really can't beat organic traffic.

onpage seo,it must,like unique content,keyword,meta,tag..for best result in search engine...

Hi,
When we build a website. We've set a goal.
Good SEO activity helps to to get head start.

SEO activity should always brings value to general webvisitors i.e connect with other humans. It’s to maintain friendships, and foster internet based relationships.