Ping A Host is described as 'Check if website is online by sending a ping to the IP or URL - is it down right now - is it down for me only - is it down for everyone or just me - is it down or up' and is an website in the Network & Admin category. There are more than 50 alternatives to Ping A Host, not only websites but also apps for a variety of platforms, including SaaS, Windows, Mac and iPhone. The best alternative is Pingdom. It's not free, so if you're looking for a free alternative, you could try PingPlotter or Freshping. Other great sites and apps similar to Ping A Host are Down For Everyone Or Just Me? (Free), Ping Tracer (Free, Open Source), Is It Down Right Now? (Free) and Pingbreak (Free).
Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime, downtime, and the performance of your website as experienced by visitors.
Pingbreak is an original and free monitoring service. Get notified through Twitter if your website is down. Pingbreak checks all of your websites each minute and alert you instantly by Direct Message (DM).