Google optimization is based on the premise that the more people that like to your website, the more valuable it must be and the higher ranking it deserves in search results.
And almost two decades since it was devised, beneath the sophisticated mathematics, the hordes of MIT grads swallowed into the research and development department, and hundreds of billions of dollars in revenue lies a simple principle: Google optimization works. Popularity is a pretty good indicator of a website’s value.
But what constitutes popularity online? From a search engine’s perspective, backlinks from another site pointing to yours is a meaningful vote of confidence.