When you search, Google looks through hundreds of billions of web pages and other content stored in our Search index to find helpful information — more information than all of the libraries of the world.| Google Search – Discover how Google Search works
Google invests in systems to ensure that sites don’t rise in Search results through deceptive or manipulative behaviour. This is especially important because spam sites can harm or mislead people.| Google Search – Discover how Google Search works
With the vast amount of information available, finding what you need would be nearly impossible without some help sorting through it. Google’s ranking systems are designed to do just that: sort through hundreds of billions of web pages and other content in our Search index to present the most relevant, useful results in a fraction of a second.| Google Search – Discover how Google Search works
We hope this will give you a more complete picture of your interest, provide smarter search results, and pique your curiosity.| Google