Check out the featured unblocker:Doge Unblocker. If you need a classic version, make sure to use Doge Unblocker Classic.
Open Zscaler.
Go to the More section.
Press the Repair App button.
Quickly reload the blocked site you're going to.
If you don't reload quick enough, it won't work.
There is a time frame where you can't repair app again after you've repaired app. It's only around 15 seconds to a minute.