Bitcoin Monitor has moved to: https://bitcoinmonitor.app
The new website has a PageSpeed score of 100 points and got 2 new features since the last update:
☆ Trade Signals
☆ Volatility Metrics
Bitcoin Monitor is also available on iOS & Android.
Since this post, Bitcoin Monitor grew into a second app: Crypto Coin Check, which covers a wider set of exchanges. The story of that split is in From Bitcoin Monitor to Crypto Coin Check.