I'm looking for websites can compare exchanges' commissions and prices. Looking for low exchange commissions and prices to shop around.
What prices are you asking about exactly?
There are a couple of websites that I know that have information about crypto exchanges but the info is just general like the maker and taker fees, deposit methods etc
1.
https://exchangewar.info/2.
https://www.cryptowisser.com/exchangesCross-check and see if the information is updated.