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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Pulsetic
Pulsetic is an uptime and website monitoring platform for businesses, developers, ecommerce teams, SaaS companies, and agencies that need fast outage detection, reliable alerting, and clear incident communication. It helps teams monitor critical services, reduce false positives, and keep stakeholders and customers informed during downtime or performance issues.
Pulsetic supports monitoring for websites, APIs, IP addresses, SSL certificates, ping, ports, TCP services, keywords, cron jobs, and domains. Checks run from multiple global locations, helping teams identify regional outages, verify incidents more accurately, and understand how availability changes by location.
The platform includes alerts through email, SMS, phone calls, Slack, Discord, Telegram, Microsoft Teams, Twilio, Zapier, webhooks, and API workflows, making it easy to connect with existing incident response processes. Real-time dashboards, response-time insights, historical uptime logs, and PDF or image reports provide clear visibility into service health and availability trends.
Pulsetic also includes customizable public and private status pages for incident communication. Teams can use custom domains, branding, multilingual status updates, incident timelines, maintenance notices, subscriber notifications, custom status badges, password protection, and custom email sender options for a more professional status experience.
For collaboration and administration, Pulsetic offers teammate access, role-based permissions, two-factor authentication, and single sign-on on supported plans. Pulsetic offers a free plan along with paid Solo, Team, and Organization tiers, allowing users to scale monitoring, alerting, status page features, reporting history, and team access as their needs grow.
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Odown
Odown is an uptime monitoring tool for websites that helps you to maintain customer trust. It tracks your website's performance live. Monitor uptime, speed, availability and SMS alerts.
API & WEBSITE MONITORING
Monitor your website's uptime and response time across 17 global regions. Use the user-friendly interface to identify HTTP errors.
PUBLIC STATUS PAGES
Transparency in real-time can boost customer trust. In less than a second, you can easily create a status page that shares your website's status.
INCIDENT MANAGEMENT
Reduce the time you spend on incident management and focus on quickly resolving problems to keep your customers happy.
SSL MONITORING
Avoid losing visitors due to expired SSL Certificates. Receive timely notifications before your SSL certificate expires to ensure continuous security.
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