Third Parties on Yahoo

Certain companies such as web analytics partners, advertisers, application developers and ad networks may use cookies, web beacons, and applications (or "widgets") on the Yahoo websites as described below.

Analytics Partners

Yahoo may allow certain partners to include web beacons within pages on the Yahoo network of websites. Yahoo may also share portions of our log file data, including IP address, with these partners for analytics purposes. In the event your IP address is shared, this information may be used to estimate general location and other technographics (such as connection speed, whether you have visited Yahoo in a shared location, and type of the device used to visit Yahoo). These partners aggregate information about our advertising and what you see on Yahoo and then provide auditing, research and reporting for us and our advertisers. Yahoo allows web beacons from and shares log file data with the following partners (click to visit their websites):

None of the personal identifying information you provided to Yahoo in connection with your account is shared with our advertisers or our partners as part of our analytics programs.

Applications and Widgets

Yahoo may implement an application or “widget” from a third party on some of our properties that allows interaction or content sharing by Yahoo users. These widgets, such as a Facebook “Share” or “Like” button, are visible to you on the page you visit. The network providing the widget may offer controls for you to manage the widget’s appearance and functionality. Your interaction with a widget typically allows the third party to collect some information about you through the third party’s web browser cookies or its registration information. In some cases, the third party may recognise you through its widgets and its cookies even when you do not interact with the widget. Please note that Yahoo has no control over the processing of such collected information. Please visit each partner’s privacy policy to better understand their data collection practices and controls that they make available to you.

Ad Networks and other Third Parties

Most advertisements you see on Yahoo websites are served by Yahoo. However, we also allow certain companies to serve advertisements and collect information within our webpages. Most commonly, these are third party ad servers, ad agencies, technology vendors, providers of sponsored content and research firms.

These companies may include a file, called a web beacon, within Yahoo websites to provide auditing, research and reporting for advertisers. Because your web browser must request these advertisements and web beacons from the third party’s servers, these companies can view, edit or set their own cookies, just as if you had requested a webpage from their website directly. These companies may also use these cookies and web beacons to collect information on Yahoo to deliver you customised ads on both Yahoo and non-Yahoo websites.

As described in greater detail in our Privacy Center, Yahoo may customise some ads to users that we believe fit an interest category – for example, male interested in sports. Yahoo does not provide any personally identifying information to an advertiser when you interact with or view a customised ad. However, when you view or interact with an ad, the possibility exists that the advertiser will make the assumption that you qualified for interest category used to select the ad.

The following third parties offer information about their data collection practices, and in some cases, an opt-out, on their respective websites. Please visit each company’s privacy policy to better understand the controls available to you. You can also learn more about ad serving companies and opt-out from each of them at the Interactive Advertising Bureau website.

* Nielsen will share information about which ads you see with Facebook in an obscured form. If you are a logged-in Facebook user, Facebook will add your age and gender to your ad view details. Facebook will aggregate the combined information and share it with Nielsen for ad effectiveness reporting. To learn more about Nielsen privacy practices and opt-out of this sharing click HERE.

Yahoo Privacy and Cookie Policy

We have detailed reference links describing our privacy practices for a wide range of Yahoo products and services. Find them here.

Relevant Advertising

By bringing content and advertising to you that is relevant and tailored to your interests, Yahoo provides a more compelling online experience. Our customized "smart" services save you time and cut through the clutter. Learn More about relevant advertising.


Prefer not to receive advertising based on your interests? You can opt out of interest-matched advertising on Yahoo