UptimeRobot
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.
24x7 Monitoring Our monitoring is performed with a frequency of 60 seconds, 24 hours, 365 days a year. This way you will be the first to know against any incidence.
Website uptime and performance, be the first to find out when your website does not respond, our monitoring is done globally from multiple locations.
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website-monitoring uptime-monitoring
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.
Freemium Web
Pingoscope will carefully monitor your website and alert you instantly if it goes down.
Freemium Web
"Is It Down Right Now" monitors the status of your favorite web sites and checks whether they are down or not. Check a website status easily by using the below test tool.
Free Web
RapidSpike is an uptime and performance monitoring service for websites and web applications. Monitor, measure and test your digital platform eco-system from one dashboard. .
Commercial Web
Website downtime alerts and website monitoring - receive email alerts and SMS alerts worldwide if your website goes down. 60 websites monitored every 3 minutes...
Freemium Web
Websites and networks monitoring: * Website Monitoring (HTTP / HTTPS) * False Alert Protection * DNS Server Monitoring * Ping Monitoring * SSL Certificate...
Commercial Mac OS X Windows Linux