I don't see how that's misuse. If the "ed tech" site was detecting what you're doing 24/7, that would be a problem. But for the 2 - 5 hour period of time that

I don't see how that's misuse. If the "ed tech" site was detecting what you're doing 24/7, that would be a problem. But for the 2 - 5 hour period of time that you're taking an exam and have their web page open, is it unreasonable?