Crawling & Indexing
The journey of a query starts before you ever type a search, with crawling and indexing the web of trillions of documents.
How Search Works
These processes lay the foundation — they're how we gather and organize information on the web so we can return the most useful results to you. Our index is well over 100,000,000 gigabytes, and we’ve spent over one million computing hours to build it. Learn more about the basics in this short video.
Finding information by crawling
Organizing information by indexing
Choice for website owners
Algorithms
You want the answer, not trillions of webpages. Algorithms are computer programs that look for clues to give you back exactly what you want.
Search Projects
The Evolution of Search
Our goal is to get you to the answer you're looking for faster, creating a nearly seamless connection between you and the knowledge you seek. If you’re looking to deepen your understanding of how search has evolved, this video highlights some important features like universal results and quick answers.
Experiments: From Idea to Launch
Fighting Spam
Every day, millions of useless spam pages are created. We fight spam through a combination of computer algorithms and manual review.
Identifying Spam
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