The map above shows a detailed look at the places Google knows I've visited. Google stores data on the voice actions you've requested from Google Assistant, whether on a smartphone or Google Home, as well as the sites you visited. Here you can see it tracked me asking a Google Home to turn off the living room lights complete with an audio recording and that I visited the Apple Care website. Visit the Google My Activity page to see your own history.
You can see exactly what Google knows you've watched or searched for on YouTube by clicking either of those links. Want to limit what Google can find and share about you beyond the links provided above? Be sure to use its Privacy Checkup tool. To its credit, Google doesn't shy away from letting users know what data it collects and why.
Its " Your Data " privacy page explains that it tracks things you create, such as emails, contacts you add, calendar events and photos you upload. It also keeps your name, email address, birthday, gender, phone number and country. It collects data on what videos you watch, the ads you click, your location, device information, and IP address and cookie data. It says it does this to "make [its] services work better for you, which is true: If you block everything you also block Google's ability to show you more content it thinks you'll like.
Google analyzes the content of the page, catalogs images and video files embedded on the page, and otherwise tries to understand the page. This information is stored in the Google index , a huge database stored in many computers. When a user types a query, Google tries to find the most relevant answer from its index based on many factors. Google tries to determine the highest quality answers, and factor in other considerations that will provide the best user experience and most appropriate answer, by considering things such as the user's location, language, and device desktop or phone.
For example, searching for "bicycle repair shops" would show different answers to a user in Paris than it would to a user in Hong Kong.
Google doesn't accept payment to rank pages higher, and ranking is done programmatically. Want more in-depth information about how Search works? Read our Advanced guide to how Google Search works. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4. For details, see the Google Developers Site Policies.
When ranking results, Google Search also evaluates whether webpages are easy to use. When we identify persistent user pain points, we develop algorithms to promote more usable pages over less usable ones, all other things being equal. These algorithms analyze signals that indicate whether all our users are able to view the result, like whether the site appears correctly in different browsers ; whether it is designed for all device types and sizes, including desktops, tablets, and smartphones ; and whether the page loading times work well for users with slow Internet connections.
Since website owners can improve the usability of their site, we work hard to inform site owners in advance of significant, actionable changes to our Search algorithms. To aid website owners, we provided detailed guidance and tools like PageSpeed Insights and Webpagetest. You can find more information on the tools and tips Google provides to site owners here. Information such as your location, past Search history and Search settings all help us to tailor your results to what is most useful and relevant for you in that moment.
We use your country and location to deliver content relevant for your area. In some instances, we may also personalize your results using information about your recent Search activity. Search also includes some features that personalize results based on the activity in your Google account. These systems are designed to match your interests, but they are not designed to infer sensitive characteristics like your race, religion, or political party. You can control what Search activity is used to improve your Search experience, including adjusting what data is saved to your Google account, at myaccount.
How Search algorithms work. Learn more below about the key factors that help determine which results are returned for your query:. Relevance of webpages Next, algorithms analyze the content of webpages to assess whether the page contains information that might be relevant to what you are looking for.
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