Below is a great illustration, from, of how the Google search engine works. The graphic does a good job of simplifying the details to make the entire process more understandable. It also illuminates just how complex the total process is when you realize how much information is not known and how see how many different processes are completed every time a search is entered in Google.

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How Does Google Work?

Infographic by PPC Blog

A good take-away from reviewing this information is that Google is complicated. They have processes behind the processes and are constantly evolving. While some shady tactics might increase your site’s listing in searches, they will generally be short-lived. The only way to achieve true SEO success is to follow legitimate honest methods.