Web Beacons

Web pages may contain electronic images (called a "single-pixel GIF" or "web beacon") that allow a web site to count users who have visited that page or to access certain cookies. Yahoo! uses web beacons in the following ways:

Within the Yahoo! Network

• Yahoo! uses web beacons within the Yahoo! network of web sites in order to count users and to recognize registered users by accessing Yahoo! cookies.
• Being able to access Yahoo! cookies allows us to personalize your experience when you visit Yahoo! web sites that are not on the yahoo.com domain (like Yahoo! GeoCities that has pages on ca.geocities.com.).

Outside the Yahoo! Network

• Yahoo! uses web beacons to conduct research on behalf of certain partners on their web sites. This research helps to measure and improve the effectiveness of certain advertising. Information recorded through these web beacons is used to report aggregate information about Yahoo! users to our partners. This aggregate information may include demographic and usage information. No personally identifiable information about you is shared with partners from this research.

• Yahoo!'s practice is to require our partners to disclose the presence of these web beacons on their pages in their privacy policies and to include links to our privacy policy. You may choose to opt-out of Yahoo! collecting and using this information for this research. Please click here to opt-out.

  Note: This opt-out applies to a specific browser rather than a specific user. Therefore you will have to opt-out separately from each computer or browser that you use.

HTML Mail

• Yahoo!'s practice is to include web beacons in HTML-formatted email messages (messages that include graphics) that Yahoo! itself sends in order to count how many messages have been opened and acted upon.

In general, any electronic image viewed as part of a web page, including an ad banner, can act as a web beacon. Advertising networks that serve ads onto Yahoo! may use web beacons in their advertisements.