Testomato is described as 'allows you to create tests in seconds so you can take control of your website's performance. Errors are checked from multiple locations to ensure accuracy. Monitor uptime performance as often as every 15 seconds!' and is a Uptime Monitor in the Development category. There are more than 25 alternatives to Testomato, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted solutions, Android and iPhone. Most alternatives are Uptime and Website Monitors. The best alternative is UptimeRobot, which is free. Other great sites and apps similar to Testomato are Better Uptime (Freemium), Pingdom (Paid), Uptime Kuma (Free, Open Source) and StatusCake (Freemium).
Dashboard with 50 Monitors, Checked Every 5 Minutes, Totally Free.
Monitor HTTP(S), Ping, Port and check Keywords.
Get alerted via e-mail, SMS, Twitter, web-hooks or push.
View uptime, downtime and response times.
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.
StatusCake.com is a free website monitoring tool which allows users to track up to 10 websites and get alerted when their site is down or is having trouble. Downtime root cause analysis is included in the free plan to help users diagnose and fix issues.
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).