Paid Proxy for browsing

Hello,

I am after a paid proxy for browsing only. At the moment I subscribed to Proxybonanza shared proxy, which is good but has some limitations that I don't like.

I consider re-subscribe to proxify, which costs only a bit more than my current. I asked proxify's technical support if I have to delete the cookies that are stored on my PC when browsing with my real IP, if I want to revisit the same site (that stored the cookie) with proxify and remain anonymous.

The reply was that I do not have to delete the cookie and that I even can visit a particular site with two same browser windows open at the same time. One with proxify and one with my real IP and the site owner will think that he has two unique visitors.

e.g.:
- I open wilderssecurity.com with firefox and my real IP
- then without deleting anything or closing any window, I open a new firefox window and visit wilderssecurity.com through proxify
- the wilderssecurity.com owner will think that he has two unique visitors.

Can someone confirm this?