There couldn’t be anything better than having a nonstop operational web host. Thus you should consider a web host that has a powerful server and steady network connections.
If you don’t already know then let me tell you that an up-time score of 99.5% and above is recommended and anything below 99% is unacceptable. So to obtain the web host up-time information, you may find different ways.
The most favorable can be reading the hosting reviews. They can be read on the up-time records of the test sites from time to time. Alternately there are server monitor tools which can be simply tracked.