Uptime.com provides peace of mind to thousands of customers like Apple, Microsoft, IBM, Palo Alto Networks, Kraft, and BNP Paribas who trust us to monitor the performance, health, and downtime of their websites. | It is a powerful tool for ensuring the availability of your websites and servers. You can easily keep track of your online assets and receive alerts when there are any issues or disruptions. |
Receive comprehensive domain monitoring at one minute intervals from locations worldwide; Alerting - Receive real-time downtime alerts via email, SMS and third party push notifications; Page Speed Monitoring - Identify performance bottlenecks through complete insights on your website’s performance; Transaction Monitoring - Simulate visitor interaction with your site automatically and get alerted when critical site flows stop working correctly; Real User Monitoring - Optimize the experience of actual users on your website leveraging detailed analytics, trends, and page load time analysis; Domain Health - Get data on critical domain issues including data on DNS, Web Server, Mail Server and Blacklists; Status Page - Utilize your status page for summarizing metrics on multiple checks for internal reporting or public display uptime. | Multiple notification channels;
Status pages;
No false negatives;
SSL certificates expiration;
Advanced HTTP(S) monitoring
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Pingdom is an uptime monitoring service. When problems happen with a site that Pingdom monitors, it immediately alerts the owner so the problem can be taken care of.

Better Stack is a radically better infrastructure monitoring platform that calls the right person on your team if anything goes wrong. Schedule on-call duties, receive helpful alerts, and collaborate on solving incidents faster than ever.

It is all about helping you to keep your websites up. It monitors your websites every 5 minutes and alerts you if your sites are down.

Monitoring a website is one thing – finding the best way to alert you to downtime another. At StatusCake we give you as many options as possible to decide when & how often you’re contacted. Whether it’s by email, SMS, push notifications for iOS & Android or integration with third party apps including Zapier and PagerDuty – you decide how you want to be alerted and when!

updown is an online service that checks your website's status by periodically sending an HTTP HEAD request to the URL of your choice. It then notifies you by email or sms when your website is not responding correctly.

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Receive alerts when your website or API is down through emails, Slack or SMS, integrated with real time data and insights

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Modern uptime and performance monitoring for websites and APIs, with rich reporting, flexible alerting, and competitive pricing. More than just HEAD requests: choose an HTTP method, headers, and body for any request.