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.
Learn more
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
Learn more
Healthchecks.io
Healthchecks.io serves as a straightforward yet powerful tool for monitoring cron jobs, providing alerts to users when their scheduled tasks, including backups and reports, fail to complete on time. Each background job can be assigned a unique ping URL, and the platform promptly notifies users if a job does not ping within the designated timeframe. The service allows for 20 free cron job monitors and features an intuitive dashboard where users can easily name, tag, and manage their tasks. With adjustable period and grace time settings, users can monitor tasks across different statuses, such as "up," "late," or "down," according to ping timing. Additionally, Healthchecks.io supports cron syntax, maintains an event history log, and provides status badges for public viewing. Users can receive notifications through a variety of integrations, which include email, webhooks, Slack, and Discord, as well as incident management solutions like PagerDuty and Opsgenie. This service is particularly well-suited for monitoring a range of processes, from cron jobs and server tasks to database backups and SSL certificate renewals, ensuring a comprehensive approach to task management. As a result, health checks become an essential part of maintaining the reliability of critical operations.
Learn more
Cronless
Cronless provides a complimentary online service for cron jobs, mimicking the functionality of a Linux cron job via our platform to execute your scripts at predetermined times. Users typically turn to web-based cron jobs for two primary purposes: to automate routine tasks they may otherwise overlook, and to schedule resource-heavy scripts for times of low site activity. Many free and even some paid web hosting services lack cron capabilities, and configuring crontab can often be a cumbersome process. For those without cron access or who prefer not to manage crontab entries, Cronless simplifies the process of creating an online cron job. Additionally, Cronless features a premium monitoring service that can notify you immediately when your website or server goes offline, providing peace of mind. Our monitoring includes detailed insights such as uptime percentages and outage counts, along with a badge you can display on your site to showcase your reliability to customers, enhancing their trust in your service even further.
Learn more