StatusCake

An easy and online tool that does website monitoring and server monitoring for you 24/7. Record uptime, response times (performance) and downtime causes. Generate your own custom reports. Using Port …

Pingdom web site monitoring and other infrastructure for you and instantly let you know when anything goes wrong. Measure uptime and downtime. Pingdom is a company founded by Sam Nurmi. …

An easy way to check whether a website is down for everybody, or just your own computer.

Pingoscope will carefully monitor your website and alert you instantly if it goes down. Unlimited email SMS, Skype, Phone Call notifications, historical response time data, one minute check intervals data …

Monitors your websites every 5 minutes, totally free. Get alerts by e-mail, SMS, Twitter or RSS. Add up to 50 websites. Monitors can be refreshed for an instant check with …

Provides free real time 24/7 website and server monitoring from geographically distributed servers with personalized Ajax interface, server performance testing, uptime reporting, traffic analysis and alarm...

Is it down can check if a website is down or is it just your PC that can not access it. This AJAX website in United Kingdom can check for …

SIMPLE Website monitoring. If your website goes down, shouldnt YOU be the first to know about it?

A simple tool that checks whether or not a website is down.

UptimeFu is a simple and effective tool to monitor the status and availability of your websites. You can track multiple websites and will receive an email notification if your site …

Your website early warning system. Get notifications if your website goes offline, starts running slowly or reports errors. Erlywarn is an monitoring service with a wide range of notification options....

Monitor your website from worldwide locations 24x7 and be the first to know when your website is down. Receive instant alerts via SMS, email & twitter. Detailed uptime, performance & …

Commercial service offering comprehensive website, server, network, logs and application monitoring, statistical analysis, cloud server monitoring, and performance metrics. It also provides load testing as...

With us, your website will always be available and friendly to customers. Around the clock we will watch over your website. In the event of any emergency, problem or error …

EZ Website Monitoring provides keyword rank tracking, uptime monitoring, and error checking for your website.

Monitor 2 websites with 15 min interval for FREE! Checks your website every 15 minutes. Get trouble alerts by email or sms. Instant alert through SMS, email notifications, tweet, feeds …

Panopta provides advanced server monitoring and outage management services to both enterprises and SMBs. We will be the first to tell you if your infrastructure is down and provide you …

The website monitoring service that doesn't suck. Get an email when your website goes down. Statuses are available by email, web, RSS feeds and widgets.

Webmon is a Realtime Website Monitoring and Escalation Service. Webmon is a website availability monitoring and escalation service that allows you to monitor your online services and get notified upon...

Snapmon lets you monitor your servers to make sure everything is running. When a server goes down, you can be notified by SMS Text Message, Email, AIM, or Google Talk.

1 minute availability monitoring service for only $4.92/month. Monitoring stations on 4 continents, email, SMS and RSS alerts.

Website monitoring (HTTP HEAD/GET), service monitoring (TCP socket test), e-mail and URL alerts. Open source at https://github.com/TomHetmer/Runtime

Automatically check your website's uptime, performance & quality with Simonbot. Be the first to know if something is going wrong with your website, get results, analyse them and find bottlenecks. …