NetFreeHost.com do not provide any Uptime Guarantee. Honestly no web host can provide you 100% uptime. Most dedicated server providers offers 99.9% network uptime guarantee. That is they try there best to keep there network always online, still even big providers face down time.
Uptime is calculated monthly. The best uptime would be 100%, but because things can break, many hosts offer 99.9% uptime guarantees. A 99.9% uptime means the service can be down for 45 minutes per month.
99.9% Network uptime, that means your site will be online 99.9% of time ? Most of the case server uptime will be 100%. But server can have problems with software, hardware, abusers, hacking and DDoS attacks. As every one know problems like this take its own time to fix causing down time. Attacks like DDoS, there is no way to stop. Uptime depends on all these...
As a web host, we try our best to provide 100% uptime. But there can be problems described above. You can see uptime report of NetFreeHost.com Free Hosting Server at SiteUptime.com
30-Day Money Back Guarantee
We are the only Free Web Hosting provider that offers you a 30-Day Money Back Guarantee. We will refund 100% of your monthly hosting charges if you are not satisfied with our uptime. That is $0.00.