We have an uptime of 99.5%. We aim at 100% thanks to our hardware and our staff's training. It happens, sometimes, that this is not possible due to shared hosting or other factors out of our responsibilities. We guarantee at least an uptime of 99.5% that will ensure the success of your shop. If something goes wrong and your server goes down we refound you 25 times the downtime of your website. You will be refounded if your server goes down due to connectivity, database or server, but obviously we are not responsable for errors that doesen't depend from us, like application errors.
We will do our best to  ensure your server will always be up.