In Chrome: Menu> Settings> Show advanced settings (located at the bottom of the page). Then click on the button Content settings then check the box Block cookies and data from third-party sites, then click OK to validate your choice.
In the Firefox browser: Menu> Options> "Privacy" tab Set the "Retention rules" menu to "Use custom settings for history". Finally, uncheck the box "Accept third-party cookies".
In Internet Explorer: Menu> Internet Options> "Privacy" tab and the Advanced button to make the Advanced Privacy Settings window appear. Then check the box "Ignore automatic cookie management" and select "Decline" in the "Third party cookies" column.