UptimeRobot
The ultimate uptime monitoring service. Get 50 monitors with 5-minute checks completely free. Set up in seconds and stay informed about your website’s health at all times.
Website monitoring: Get instant alerts when your website goes down. Reliable and accurate monitoring helps you fix issues before they affect users and prevent revenue loss.
SSL certificate monitoring: Avoid losing visitors due to expired SSL certificates. Get notified 30 days before expiration so you can renew in time.
Ping and port monitoring: Check if your server is online or if your email service is running on port 465. Monitor any port you need with real-time alerts.
Cron job monitoring: Track scheduled tasks with heartbeat monitoring. We verify if the request arrives on time, making sure server-side jobs and internet-connected devices are running properly.
Status pages: Create up to 100 branded status pages, protect them with a password, and allow subscribers to receive updates.
Stay informed with email, SMS, voice calls, push notifications, or integrations with Slack, Zapier, PagerDuty, Telegram, Discord, Microsoft Teams, Google Chat, and more.
Maintenance windows: Pause monitoring when you schedule downtime to avoid unnecessary alerts
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Uptime.com
Uptime.com website monitoring solutions provide unmatched visibility and availability, empowering engineering, operations and SRE teams to monitor & respond to their most essential services. Simple & intuitive industry leading Enterprise-grade features delivered at a fair price, that are continuously improving.
G2, Sourceforge and TechRadar Pro have recognized us as one of the world’s best uptime monitors for several consecutive years, including this one. Try 100% free.
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StatusDrift
StatusDrift is an around-the-clock uptime monitoring service designed to keep a close eye on your websites, APIs, and infrastructure, immediately notifying you of any discrepancies. You can swiftly configure monitors that support a variety of checks including HTTP, HTTPS, ping, TCP port, SSL certificate expiration, and keyword verification, with monitoring capabilities spread across multiple regions to help you differentiate between true outages and minor local issues.
Upon detecting a problem, StatusDrift automatically generates an incident report, providing a comprehensive timeline that details which regions were impacted, the variations in response times, and the duration of the problem. Users can promptly acknowledge, investigate, and resolve these incidents directly from their mobile devices, ensuring they remain informed and agile.
Additionally, you can plan maintenance windows in advance, ensuring that alerts do not disrupt your operations and that your team is well-informed about ongoing activities. The platform's dashboard consolidates all relevant information into a single, user-friendly view, displaying the status of your monitors—whether they are operational, down, in warning, paused, or have expiring certificates—along with the latest incident reports for quick reference. This way, you'll always have a clear understanding of your system's health.
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Netumo
Netumo monitors your public infrastructure and notifies you as soon as something happens. It is able to reach you on one of the 6 different mediums that it supports i.e. Email, SMS, Twitter, Telegram, Slack, Cisco Webex, and or Microsoft Teams. This enables your team to be the first one to know that there is something wrong and they can take action.
Netumo has built-in SSL and Domain expiry checks so that as soon as one of these is due for expiry, then your team is immediately notified such that they can be aware and take action. In such cases, it's not the first time that such things go unnoticed resulting in downtime.
Netumo also supports monitoring of your APIs (RESTful services) just like normal sites making it easy without complex scripting which is sometimes required in other tools.
Apart from uptime monitoring SEO based monitoring is also available where you can check specific elements of your site as well as audit your pages for improved SEO.
Powerful Reports are also available so that you can track what went wrong at specific periods.
In summary, Netumo can get you monitoring in minutes.
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