How to prevent and disable cookies
Go to ‘Tools’ in the menu bar and then click on ‘Internet Options’
Click on the ‘Privacy’ tab and then ‘Sites’.
In the ‘Address of Website’ box, type the website address (URL) and then click ‘Block’ or ‘Allow’.
Select ‘Preferences’, and then click ‘Privacy’ and ‘Configure cookies’
Select the Chrome menu icon, then Settings.
Near the bottom of the page, select Show advanced settings.
In the “Privacy” section, select Content settings.
In the ‘Cookies’ section you can modify the following settings: Cancel cookies; Block all cookies; Allow all cookies; Allow cookies only from certain websites or domains.
Select Tools and then Options on the menu bar.
Select the Privacy panel.
Set ‘Firefox will:’ to ‘Use custom settings for history’.
Check mark ‘Accept cookies from sites’ and click on exceptions to choose websites to authorize
Click on: Settings>Preferences > Advanced > Cookies
Cookie preferences allow you to control the way in which opera manages cookies. Default status allows all cookies.
All information gathered is always anonymous and aggregate.