Admin Labs provides powerful monitoring and communication services for businesses.
Downtime Monkey provides a complete website monitoring service with both Free and Pro plans. Features include:
Global Monitoring: a network of global servers checks websites from 6 locations worldwide eliminating false positive downtimes
Response Time Monitoring: monitor the speed of your website and view graphs of response times
Keyword Monitoring: get notified when the content of your website changes unexpectedly
Alerts to email, SMS and Slack
Custom Alert Times: set the time a website should remain down before an alert is sent
Manage Multiple Sites: bulk upload, edit and delete sites. View the status of all your sites at a glance
Uptime Stats and Downtime Logs: uptime stats to 3 decimal places (e.g. 99.999%), logs of every individual downtime including the timestamp, duration, response code from the server and a short explanation of the reason for the downtime
60 monitors, every 3 minutes completely free
Pro accounts with all the features from $0.48 per month (or from €0.48, £0.36 or A$0.68 and over 100 other currencies)
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
UptimeRobot - Free Website Uptime Monitoring
SiteUptime - Siteuptime provides website monitoring services. Receive instant email and SMS alerts when your website becomes unavailable. View detailed uptime statistics and performance reports for your website monitors.
StatusPage.io - StatusPage.io is the best way for web infrastructure, developer API, and SaaS companies to get set up with their very own status page in minutes. Integrate public metrics and allow your customers to subscribe to be updated automatically.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring
RapidSpike - RapidSpike is a reliability, performance and security monitoring service for transactional websites. Using next-generation synthetic monitoring & deeper than ever before data, RapidSpike is for businesses serious about protecting their online revenue