Kwiqpoll is another classroom polling site which is super simple to use and fast to integrate. All you need is a question and some multiple choice options and you are good to go. Using Kwiqpoll you can quickly check the pulse of your classroom and use the data to inform your pacing. Below are two screenshots from Kwiqpoll which show you the interface:
Take this quick poll to share your browser preference!
With no registration required your can create and assess your students right now without any sign-up or learning how to use it. Very cool.