Uptime Monitor Services Page 4 of 11

Assertible is the easiest way to test and monitor your APIs and helps reduce bugs in web apps by providing tools to continuously validate endpoints and responses with a flexible interface to run your tests any time and place.

Performance monitoring simplified. Never let users see your website down or with bad loading speeds. Receive alerts & insights in real-time on health and performance.

onitor any type of infrastructure from 12+ locations worldwide. See why things are slow. Alert your team. Show status page to customers in 20+ languages.

WebTotem is a SaaS which provides powerful tools for securing and monitoring your website in one place in easy and flexible way.

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 performance metrics.

Sites Watcher checks web pages that interest you for changes. When changes are found, Sites Watcher will show you current page version with highlighted updates.

The Sensu Open Source Project (a.k.a. "Sensu Core") intends to provide an open framework for building comprehensive monitoring solutions, without imposing restrictions or being overly opinionated.

Monitive is an uptime monitoring service, where users sign up and input their website address, which we check every minute, from a random location around the world, and instantly notify them when their site is down.

Silent Down is a website uptime and performance monitoring platform, to keep an eye on your application and instantly alert you if any issues arrive.

Simply web service status.

Netthrob runs automated verification checks on your website every three minutes from five different geographies and immediately informs you through Phone, SMS & Email when your site goes down.

EMCO Ping Monitor is a freeware ping-monitoring tool that checks the hosts availability and the connection quality and sends notifications on the host up/down and other events.

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 potential escalation.

Ping Now is an uptime monitoring service that notifies you when your website, API or service is down.

You give us a list of URLs and we'll check them regularly. If there’s an error, we will notify you by email.

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.

Website performance monitoring displaying the load times for various components of the site. Plans start at $23/mo.

Sophisticated Uptime Monitoring for your Apps, DBs, IT systems, and business services. Get pro-active alerts and fix incidents with ease without the noise.

updown.io is a HTTP monitoring solution with a clean UI and a cheap and simple pricing. It notifies you of downtimes by email or SMS and provides a public status page you can share.

Status Page is a hosted status page and uptime monitoring platform with global checks, automated incident creation, and multi-channel alerts for your services.

Statusfy is a Status Page System, completely Open Source, easy to use and deploy to a variety of hosting services. The goal behind is to lower costs and complexity providing a simpler and versatile Open Source alternative.

AgentSlug.com is simple but perspective application to monitor your website. For now, you can find there a full featured uptime monitoring tool. However, the app is developed constantly to provide complementary webmaster tools in the nearest future.

Kingping is an uptime monitor that monitors your stuff in the cloud. Every minute of every day.

Latency test is a tool that helps you periodically test the latency of your website or API and monitor uptime. It let's you know if your website is down or slow using off the shelf integrations, such as E-mail, Slack, OpsGenie, PagerDuty, etc.

Single tool that monitors all aspects of websites, including availability, domain, certificate, security and script errors.

Continuously monitors your internet connection by contacting multiple public servers, writes a log with the exact time and length of any failures.