About Google ads
As you browse the internet, use mobile apps, read your email, or shop online, you see ads. Google shows ads on Google products like Search, YouTube, and Gmail. Google's ad network also shows ads on 2+ million non-Google websites and apps. It is one of many ad networks that personalizes ads based on your online activity.
In this article
- Control Google ad personalization
- Google and advertising standards
- Leave feedback on the ad or website you just saw
Control Google ad personalization
The way Google saves your ad settings has changed. Learn more about how Google uses cookies for ad personalization
Ads that Google shows are personalized based on many factors, like the types of websites you visit or mobile apps you've installed.
Where personalization comes from
- Types of websites you visit, and mobile apps you have on your device
- Cookies on your browser and the settings in your Google Account
- Websites and apps you’ve visited that belong to businesses that advertise with Google
- Your activity on another device
- Previous interactions with Google’s ads or advertising services
- Your Google Account activity and information
You can control how Google personalizes Google ads, or turn off personalization of Google ads, at Ads Settings.
Important
When showing you personalized ads, Google will not associate an identifier from cookies or similar technologies with sensitive categories, such as those based on race, religion, sexual orientation, or health.
Google never sells your personal information to anyone. Learn more about privacy
Mobile controls
Ads can be personalized based on the device you're using. You can turn off this ad personalization through your device's settings.
Android
- Open the Google settings app on your device (called Google Settings or Settings, depending on your device)
- Scroll down and tap Google
- Tap Ads
- Switch on Opt out of interest-based ads or Opt out of Ads Personalization
iOS
Google and advertising standards
Google's ad network is one of over 100 online ad networks that show you ads on websites and apps. Google participates in industry groups, like the Digital Advertising Alliance, that develop and follow standards in online advertising.
You may have noticed the AdChoices icon 
| Group | Location |
|---|---|
| Australian Digital Advertising Alliance | Australia |
| Digital Advertising Alliance (DAA) | United States |
| Digital Advertising Alliance of Canada | Canada |
| European Digital Advertising Alliance | Europe |
| Network Advertising Initiative | United States |