I got to know about this site by some of my friends. I was overwhelmed by the level and analytics of this zone which made this platform different from others.
Test interface and level is similar to actual test.
Analytics:
Which are very important for our betterment in real test.
It provides analytics of Overall test by different Parameters like speed accuracy question selection which is vital for our success.
I am thankful to testzone team for their efforts and I do recommend testzone.