Why can't the search engines figure out my site without SEO?

•Search engines are smart, but they still need help

•SE’s uses improved technology to crawl the web more deeply and return better results to users

•The right SEO can get you thousands of visitors and attention, the wrong moves can hide or bury your site deep in the search results where visibility is minimal.

•SEO helps boost rankings so that content will be placed where searchers will more readily find it

Summary: You need to help the search engines find your page or content and for that you need to do the effective SEO for your site or page or else no one can find you out of millions. Frankly speaking, nobody has got the time.