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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Statlix
Experience effortless website monitoring with integrated status pages through Statlix. This innovative distributed monitoring system offers immediate alerts to platforms like Slack and Zapier, ensuring your infrastructure remains highly available. Embrace the unpredictable with Statlix, which encourages a systematic and analytical approach to tracking website availability. Effortlessly set up uptime monitoring for all the URLs you oversee, allowing you to keep a close eye on their performance. Monitor in real-time and analyze daily uptime statistics that deliver precise insights into your website's performance levels. Ensure your site remains accessible, as Statlix has empowered numerous clients to enhance uptime affordably while minimizing outages. Stay informed of any status changes by customizing your status pages to alert users about scheduled maintenance and updates on ongoing fixes. Customers can opt-in to receive timely status notifications, ensuring they are always up-to-date. Additionally, you will receive detailed reports and alerts via email, SMS, RSS, custom WebHooks, or Slack, keeping you well-informed about any potential issues that may arise. By choosing Statlix, you invest in a reliable partner for maintaining optimal website performance.
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Pulsetic
Receive alerts about website downtime through phone calls, SMS, emails, or Slack notifications whenever your site is unavailable. Additionally, you can create visually appealing status pages and incident management reports to keep your audience informed. After launching your project, it's essential to mitigate the chances of experiencing downtime, as you want to prevent any loss of revenue due to website outages. Maintaining a 24/7 operational online retail business is crucial, and having advanced configuration options for requests and responses is necessary. Pulsetic enhances its monitoring capabilities by utilizing a broader network of data centers worldwide, ensuring redundancy and pinpointing outages accurately. This service provides insights into which geographical regions may be affected by slow performance or downtime. Furthermore, you'll receive comprehensive regional data regarding uptime and response times to avoid false positive alerts in case one data center experiences connectivity issues. It’s vital to be informed about website outages in specific areas. When your website faces downtime, notifications are sent in your preferred format, allowing for rapid response to minimize disruptions efficiently. You can instantly receive alerts via various channels, including email, SMS, and Slack, ensuring that you remain updated and responsive at all times. This proactive approach helps maintain your website's reliability and customer satisfaction.
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