How to improve privacy on Firefox and Chromium by blocking cookies
On the Edit menu click Preferences and goto Privacy & Security.
Under Cookies and site data click Exceptions.
From here you can block sites from leaving cookies on your computer. You may notice a difference in the way results are displayed.
If you are using Chromium browser
Go to Settings -> Click Advanced at the bottom -> Content Settings -> Cookies
Within Block – click Add
You can now add sites to the list.
Once you have done this, each entry has a menu which allows you to have more control over how data is saved.
Hope this is helpful.