Of course some sites could offer better features but what makes CMC retain its standing is because their site looks simple and that is very helpful especially to the newbies, some sites like coingecko is good also but I would still prefer CMC as I get use to it and all information i need are all here.
You have 'all the information' that is wrong.
Just look at all that scam exchanges that are on top in that crap market cap webite.
Habits are here to be changed.