Do you know that Some websites tracks your searching and browsing habits? Most of the website use Tracking Cookies to get your information. Cookies can track your IP address, the type of browser you are using, and the operating system of your computer.
To delete Cookies you can use online privacy software. You can also delete cookies manually from your web Browser.
For Internet Explorer:
1. Open Internet explorer > click on tools > then Click On Internet option..
2. Under the General tab click Delete Cookies button. Then Click Ok.
For Firefox:
1. Open Firefox then > click on tools > then Click On options..
2. then Go to Privacy tab > click on Show Cookies Button Then Click Remove All cookies
Also Read this Tips to Maximize Online experience : Delete saved fopassword on IE And Tips For Secure web Browsing