
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 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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WatchCron
WatchCron is a service dedicated to monitoring cron jobs, aimed at assisting DevOps teams and developers in maintaining the punctual execution of their scheduled tasks. By creating monitoring endpoints and linking them to cron jobs through a straightforward HTTP ping, users receive immediate notifications via email, Slack, or webhook whenever a job fails, is delayed, or does not run at all. Additionally, WatchCron offers flexibility with custom schedules, grace periods, and supports team collaboration while providing a comprehensive execution history. This service is ideal for teams that prioritize reliability and require assurance that their background tasks, backups, and automated scripts operate seamlessly and as intended. To enhance operational efficiency, WatchCron also allows for easy integration with existing workflows.
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Cronjob.de
Many websites need tasks to run on a schedule – exports, backups, newsletters, cache rebuilds – but shared hosting rarely offers a reliable cron. Cronjob.de solves this from the outside: it calls the URL of your script at the times you choose, from once a year down to every minute. You do not need a server, SSH or access to the crontab.
Creating a job is quick. Paste the cron instructions from your host or plugin, or describe the schedule in a sentence, and the built-in AI prepares the job for you to check and save. AI assistants like Claude, ChatGPT and Cursor can also manage jobs through an MCP connection.
Each run is recorded with status code, runtime and the beginning of the response. When a job fails, Cronjob.de sends one message per incident and another when it works again, by email, Slack, Microsoft Teams, Discord or webhook. Website monitoring and SSL expiry warnings are available too.
The service has been operated from Germany since 2003. Data stays on servers in the EU, and business customers receive proper invoices and a GDPR data processing agreement. Five cron jobs are free with no time limit.
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