Alternatives to Site monitoring for all platforms with any license

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 Android Android Tablet
Public Status Page Uptime Monitoring Support for Let's Encrypt Add a feature

80 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

58 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

16 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

7 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

4 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

7 Like
Monitis

Monitis is a Cloud monitoring and IT analytics service offering Website Monitoring, Server Monitoring, Network Monitoring, Application Monitoring, Cloud Monitoring, and...

Commercial $ $ $ Web
Uptime Monitoring Network Monitoring Add a feature

22 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
LogicMonitor

The automated IT performance monitoring platform that enables companies to easily and cost-effectively monitor their entire IT infrastructure stack.

Commercial Web
Infrastructure monitoring IT Asset Management Network Monitoring Performance Monitoring ... Remote desktop Add a feature

1 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
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
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
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 APM monitoring Ad-free Google Chrome extension ... Network Monitoring Performance Monitoring Alexa integration Clean design Content discovery Downtime detection Real-time analytics Real User Monitoring Slack integration Add a feature

35 Like
- Cula.io is a very similar system but has better frequency of checks. Guest • Apr 2018