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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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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Uptimon
Uptimon is a comprehensive monitoring software as a service (SaaS) that ensures continuous oversight of website and API uptime around the clock, identifying outages in mere seconds and delivering immediate notifications. It conducts HTTP(S) checks at adjustable intervals ranging from 30 seconds to 60 minutes, evaluating response times, status codes, the presence of specific keywords, and the validity of SSL certificates. In the event of a downtime, it promptly alerts users through various channels such as email, Discord, Telegram, webhook, or SMS. The user-friendly dashboard showcases real-time operational status, the uptime percentage over the last 30 days, average response times, and performance analytics. The underlying technical architecture comprises a Node.js/Go backend, a Redis queue for task management, support for horizontal scaling, and time-series databases like TimescaleDB. Its target demographic spans from individual freelancers to large enterprises. Notable features that set it apart are its straightforward setup process (requiring just three clicks), rapid detection capabilities, and competitive pricing strategy. Uptimon employs a freemium model, offering paid tiers that depend on the number of monitors and frequency of checks. Additionally, it includes growth-oriented functionalities like shareable status badges, publicly accessible status pages, and seamless integrations with platforms such as Vercel and Netlify, enhancing its appeal to users. With its innovative approach to monitoring, Uptimon positions itself as a valuable tool for maintaining online presence.
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Server Check
The Server Check Monitoring System continuously monitors your websites as well as other internet-based services (Ping. SMTP. IMAP. FTP. You'll be the first to know about any outages.
You don't want to lose more visitors due to downtime. Server Check's 10-monitor free version lets you start monitoring in just five minutes!
Alerts are sent to all admins via email, SMS, and visual alerts when something goes wrong. Server Check will alert you to the problem so you can correct it.
Quick setup of all the most common protocols, including HTTP & HTTPS. You can monitor them all and avoid any outages that could cause customers to lose their business.
View statistics for each monitor, response times graphs, outage duration reports, outage length reports and web-based stats. You can also track down uptime and downtime over 12 months.
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