Check this view on crypto exchanges:
http://lookatstock.com/
What this demo has for now:
-possibility to choose a pair of Crypto-currency + fiat currency
-the list of exchanges where this pair is traded, recent prices
-sorted orders for the purchase / sale of this pair at the moment
It is a good site, thanks for share it. Keep your good works and maintain this site.
But, you should add more exchanges-platforms such as localbitcoins on different currency such as JPT, AUD, HKD, SGD, and so on.
the most popular are:
https://coinmarketcap.com/
http://coincap.io/
https://www.cryptocompare.com/coins/#/usd
There are more...
Have you check the site? http://lookatstock.com/front/front.php it is better than all of those sites that you have mentioned.
You can check the best exchange rate based on several exchanges and platforms, after check this site, it seems pretty accurate.