we can start with a easy top 10
coinmarketcap is the single most used website to check the price of coins and get any other info on them twitter website etc. They are the pioneers of the cryptocurrency market analysis.
they have the best charts on the web for trading and maximizing profit by enabling you to use technical indicators.
https://www.binance.com/?ref=15889586
Ref link There if you want to support me ;)
Binance is a fast quick easy and cheap exchange, there are hundreds of coin you can buy, sell and trade and at the ridiculously low fees it has it is one of my favorite picks for the top crypto websites it usually has 0.1% fees but if you use their coin as the middle coin you will get a lower fee of 0.05%