To block cookie in Internet Explorer.

1. From the Internet Explorer Tools menu , select Internet Options
2. Select the Privacy tab, and then click Sites. The Per site privacy actions window will be displayed
3. In the Per site privacy actions window, enter in the Address of Web site field
4. Click Block

To block cookie in Mozilla Firefox.

1. From the Tools menu, select Options
2. In the upper section of the Options window, click Privacy 1. In the History group choose Use custom settings for history item from the Firefox will field and Click on Exceptions 2. For older Firefox versions in the Cookies tab, click Exceptions
3. In the new Exceptions – Cookies window, enter in the Address of Website field
and click Block or Disable

To block cookie in Google.

1. From the Chrome menu , on the browser toolbar, choose Settings
2. Click Show Advanced Settings… link
3. In the Privacy section, click the Content settings
4. Click Manage Exceptions… button
5. Enter in the Hostname pattern (located at the left corner)
6. Choose Block from the Behavior field (on the right)