Cookies are small pieces of data that websites send to your computer to store information about you and your preferences. When your computer saves cookies for websites like Yahoo, Google and Amazon, you don't have to type your username and password to access your online account each time you visit the site. However, too many cookies in your Web browser's history can slow down performance. If you don't want to remove all the cookies on your computer, you can selectively delete cookies from Yahoo or other specified sites in Firefox and Chrome. With Internet Explorer, you can only choose to delete all cookies, but you can set the browser never to save cookies from Yahoo.
Click Tools on the IE menu bar.
Choose Internet options from the drop-down list.
Click Delete... from the Browsing history section of the General tab.
Check the check box for Cookies and website data in the Delete Browsing History window. Click Delete to confirm the process.
Click Apply to make the changes take effect. Click OK to finish. If you don't want to delete all cookies in IE just to get rid of Yahoo cookies, you can choose not to save cookies for Yahoo sites. Set up blocking for a specific website by clicking Site in the Privacy tab of Internet Options.
Choose Options from the grid menu by clicking the Open Menu icon in the right corner.
Choose Use custom settings for history from the drop-down list for "Firefox will:" in the History section of the Privacy tab.
Click Show Cookies... to set up your preferences.
Type Yahoo in the Search bar. Click Remove All Cookies... to delete all the cookies that belong to Yahoo sites.
Click the Customize and control Google Chrome icon in the right corner of the screen and choose Settings from the drop-down list.
Click Show advanced settings... in the Settings section.
Click Content settings... in the privacy section.
Click All cookies and site data... in the Cookies section of the Content settings page.
Type Yahoo in the search bar and click Remove all shown to delete all the Yahoo-site related cookies. Click Done to finish.
- Yahoo Help: Clear Your Browser Cache and Cookies
- Windows: Delete and Manage Cookies
- Mozilla Support: Delete Cookies to Remove the Information Websites Have Stored on Your Computer
- Google: Chrome Help -- Manage Your Cookies and Site Data
- Yahoo Help: Browser Clearing Cookies Automatically