coinmarketcap website is the best site to know any informations about any coin you want
the website collects approximately 1500 coin and token
so. how i benefit from this great website
1- of course knowing the price of your prefered coin
2- knowing the chart of your coin from the releasing of coin to the last updated price
3- knowing historical prices of your coin so the website help you to know what the highest and lowest price reached before
4- knowing the circulating supply of the coin you prefer and that help you in prediction of what the price of coin can reach
if circulating supply is high so can compare between it and another coin have the same circulating supply to know if the price of coin can reach this coin has the potential to reach this price or not with one exception that coin have a good project and good team
5- make you know the official website and block explorer if your coin
6- help you to know the last news and tweets of the coin developers
...... and a lot of advantages that i cannot count them here because i want the article to be short.