Yes checking on which exchanges the crypto is beeing traded on coinmarketcap is also a good solution.
You can also find our TOP 10 list on Crypto-Side.com, the informative website about cryptocurrencies :
I used some of theese sites to buy bitcoin, and now i can say it was succesful. Glad to see new sites
Yes they are all good websites to buy and trade bitcoin, litecoin and other cryptocurrencies !
Have you been using them? Anyone?
Which one do you mean ?