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... Freemium Web Public Status Page Uptime Monitoring Support for Let's Encrypt Add a feature 76 Like
Pingdom 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... Freemium $ $ $ Web Android iPhone Performance Monitoring Transactional Monitoring Uptime Monitoring Add a feature 54 Like
PageSpeed Insights PageSpeed is addon for Firebug (debugger addon for Mozilla Firefox ) for analyzing of page loading process and suggesting to webmaster how speed up page loading. Free Open Source Mac OS X Windows Linux Firebug Chrome ... Firefox No features added Add a feature 15 Like
NIXStats SaaS monitoring tool for linux servers and websites. Think up-time robot but with more features. You can monitor your linux hosts, windows hosts under development. Freemium $ $ $ Web Uptime Monitoring Computer monitoring Downtime detection Performance Monitoring ... Uptime Monitoring Add a feature 6 Like
Google Lighthouse Lighthouse is an open-source, automated tool for improving the quality of web pages. You can run it against any web page, public or requiring authentication. Free Open Source Mac OS X Windows Linux Code review Add a feature 3 Like
Monitis Monitis is a Cloud monitoring and IT analytics service offering Website Monitoring, Server Monitoring, Network Monitoring, Application Monitoring, Cloud Monitoring, and... Freemium Web Network Monitoring Uptime Monitoring Add a feature 22 Like
AppBeat Monitor Mobile Don't lose your customers because your service is down! Monitor your websites and cloud services from multiple geographic locations and receive instant alert when... Freemium Android Android Tablet Performance Monitoring Uptime Monitoring Add a feature 6 Like
Nodeping NodePing Server Monitoring and Web Site Monitoring. Simple but powerful Internet service monitoring. Checks as frequent as once a minute. Commercial Web No features added Add a feature 3 Like
Dotcom-Monitor Website & Web Application Monitoring Dotcom-Monitor instantly alerts you when your website has problems. Detailed diagnostics enable you to take quick corrective... Commercial Web No features added Add a feature 9 Like
RapidSpike RapidSpike is an uptime and performance monitoring service for websites and web applications. Monitor, measure and test your digital platform eco-system from one... Commercial Web Real User Monitoring Uptime Monitoring Public Status Page Supports SSL certificate Add a feature 7 Like
SynTraffic Monitor your websites and APIs from multiple locations around the world and get notified by smart alerts. Get daily, weekly and monthly availability reports along with... Freemium Web Uptime Monitoring Add a feature 8 Like
Monitoshi Website uptime monitoring. Be notified by email when your site is down. Free and open source, monitor as many URLs as you want. You can hack it and host it yourself or... Free Open Source Web Uptime Monitoring Add a feature 2 Like
AppBeat Proactively monitor your websites and online services. Receive immediate notification when a problem is detected so you can quickly resolve the root cause and prevent... Commercial $ $ $ Web Network Monitoring Uptime Monitoring Add a feature 71 Like
Webcron Webcron offers website uptime monitoring, plus the possibility of setting up and running cron jobs. Commercial Web Performance Monitoring Add a feature 10 Like
CULA A webmonitoring solution for beginners and pros. CULA will show you how to make sure your site or server is up and working right. Freemium $ $ $ Web Uptime Monitoring Ad-free Network Monitoring Performance Monitoring ... Alexa integration Clean design Content discovery Downtime detection Real-time analytics Real User Monitoring Slack integration Add a feature 29 Like Cula.io is a very similar system but has better frequency of checks. Guest • 11 days ago Disagree Agree
