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How Google Search works

Every time you search, there are thousands, sometimes millions, of webpages or other content that might be a match. Google uses its robust systems to present the most helpful information in response to your query.

View of the Earth with floating search icons circling in space.
View of the Earth with floating search icons circling in space.
View of the Earth with floating search icons circling in space.

Key elements of Search

Colorful books highlighted against rows of gray library shelves
ORGANIZING INFORMATION

The world’s largest library

Our Search index is like a library, except it contains more information than all the world’s libraries put together. We’re constantly adding to it and updating it with data about webpages, images, books, videos, facts and much more.

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A person searching for information on lawnmowers
RANKING RESULTS

Instantly matching your search

In a fraction of a second, Google’s Search automated systems sort through hundreds of billions of webpages and other information in our Search index to find the most relevant, useful results for what you’re looking for.

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A person sitting at their computer searching for information about houseplants
RIGOROUS TESTING

Always improving your experience

We know Search can always be better. That’s why we conduct hundreds of thousands of experiments every year, resulting in thousands of improvements, all of which are rigorously tested.

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Illustrated Search windows representing malware, spam pages, and questionable content.
DETECTING SPAM

Keeping you safe on Search

Just like with email, phishing scams and other bad actors sometimes try to pose as highly-relevant content. Search works to automatically detect these threats and keep them out of our top results.

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An outline of a person's head with a question mark inside.

Get the facts

Technology improves Search results

Google gets better every day. Because the web is always evolving, we’re always improving and innovating to make Search better. People search on Google billions of times every day. And every day, the types of content they are searching for is changing - 15% of searches we see every day are new.

Google has been investing in AI for many years and bringing its benefits to individuals, businesses and communities. Whether it’s publishing state-of-the-art research, building helpful products or developing tools and resources that enable others, we’re committed to making AI accessible to everyone.

We’re now at a pivotal moment in our AI journey. Breakthroughs in generative AI are fundamentally changing how people interact with technology — and at Google, we’ve been responsibly developing large language models so we can safely bring them to our products. We are confident that the AI-enabled innovations we are focused on developing and delivering boldly and responsibly are useful, compelling, and have the potential to assist and improve lives of people everywhere — this is what compels us.

Making Search work best for you

Google’s features are designed to make it easier to connect people as quickly as possible to the information they seek, not to keep users on our platforms. When you don’t find what you’re looking for right away, it’s frustrating to need to do additional searches. So over the years, we’ve developed new ways to organize and display results to help you find what you’re looking for faster.

If you search for a local coffee shop, we may show you their menu, how far away they are, whether they’re busy right now, or if they offer delivery. Or if you search for the weather, we’ll show you the local temperature forecast. These results are helpful for users, and part of our ongoing work to make Google Search better every day.

Finally, we want people to use our products and services because they prefer them, not because they feel locked in. This principle is at the heart of Takeout, our data portability tool that helps people export copies of their data from more than 70 Google products, including Gmail, Drive and Photos. The principles that underpin Takeout also apply to the Data Transfer Project (DTP), an industry-wide effort that we founded and continue to lead with Microsoft, Twitter, Facebook, and Apple.

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