39 Free Web Services & Tools to Monitor Website Downtime

An online portal of your business brings traffic, and the last thing we want is for the site to go down for whatever reason. Various factors could lead to downtime, and one of the ways we can stay on top of such an occurrence is to monitor site uptime and downtime and receive notifications if a site goes down.

In this post, we’re showcasing free online services to monitor website uptime as well as downtime. Some of them come with pricing plans for better and more features that may be helpful to you, but the highlight focuses on.

PingMySite. Supports one site, check the site every minute from 31 locations, and sends performance reports via SMS, email, and push notifications.

Monitoshi. Free tool that monitors unlimited website URLs and sends emails whenever the site is down. It has a simple API to create a status page or send a tweet when a site goes down.

WatchSumo. Free tool that sends instant reports via email or webhook, no limit on URLs to monitor. Generates a 24-hour mean response time for an overall look.


Pingometer. Tracks your site’s status 24/7 (for one site from one location) along with smart alerts and detailed reports via SMS or email while maintaining 100% accuracy.


Uptimia. Performs check for up to 1 site every 5 minute (from 5 locations), and notifies immediately via email about downtime.

Insping. Monitors your 2 sites in 5-minute intervals and notifies via SMS or Slack as soon as a downtime is detected and does support socket, port and DNS monitoring.

Happy Apps. Checks your 3 websites every 5minute with email notification alerts, displays the overall status for individual sites and also monitors databases and app servers.

Happy Apps

AppBeat. Monitors for 5 sites with 5-minute interval and sends you email notifications during downtime. It also supports Slack and webhook integration and can schedule maintenance with status pages.

Uptime Doctor. Constantly observes your 5 websites (every minute) and push alerts via email (up to 50/month), and also supports monitoring services like SSH, HTTPS, etc.

DownNotifier. Sends downtime notifications via emails and checks the site every minute, supports 1 websites’ check per year and provides simple reports on your website’s downtime.

Port Monitor. Performs a check of your site (max. 2 websites) and content every minute, and sends email and push notifications.

LiveWatch. Checks the site every 10 minutes from several locations and alerts via SMS or email, allows integration of LiveWatch data in webpages and also offers socket and DNS monitoring.

Pingability. Notifies via SMS or email when your site (supports unlimited websites) is down, provides detailed reports and analysis of your site and checks/verifies uptime from multiple locations.

MonTools. Analyses site every 30 minute to 1 day and notifies through email, SMS or Twitter during downtime, also monitors HTTPS, FTP, MySQL and IMAP servers along with SSL certificate verification.

Host-Tracker. Monitors the site 24/7 and sends instant response alerts via SMS, email or Skype, database monitoring and sends detailed reports weekly/monthly/yearly per choice.


ServiceUptime. Monitors every 30 minutes and notifies via email or SMS on site’s outage, provides a historical data of your site on the web, and supports up to 10 monitors (or sites).

Monitority. Checks every second, sends instant notifications via SMS on site outage with 24/7 tracking and allows you to monitor a new server within just 10 seconds.

Uptime Robot. Avails 50 monitors (every 5 minutes) and provides statistics reports on site’s response time, sends alerts via email, SMS or Twitter and more, and allows sharing site stats publicly.

SiteUptime. Monitors 1 site, sends alerts through email during site downtime, checks every 30/60 minutes, also monitors FTP and SMTP, and allows sharing reports in public status pages.

StatusCake. Allows unlimited monitoring with every 5-minute check rate, sends unlimited alerts via email, also supports monitoring from random locations worldwide.


InternetSeer. Checks any one website every 60 minutes with email alerts during outages, and sends weekly reports for details performance statistics.

Uptrends. With 30-day trial, Uptrends monitors every 1-60 minute and sends reports via email and SMS, capture error snapshots from the browser, allows exporting data and supports periodic maintenances.

Basic State. Checks your site every 15 minutes and sends alerts via email or SMS at site downtime, and provides regular uptime report with 14 days history.

Montastic. Delivers instant email alerts during site outage, monitors every 5 minutes, supports HTTP authentication and also verifies the presence of specific web page content.