UptimeRobot is a website monitoring service with a forever free plan that lets you register with just an email and monitor up to 50 websites, servers, or keywords with 5-minute intervals. Setup takes only a few clicks.
For faster checks and advanced features, paid plans offer 1-minute or 30-second intervals, along with SSL certificate, domain expiry, and heartbeat (cron job) monitoring. You can also create up to 100 status pages, customize them to match your brand, protect them with a password, and allow subscribers to receive updates.
Get notified instantly via email, SMS, voice calls, or integrations with Slack, Zapier, PagerDuty, Splunk On-Call, Telegram, Webhooks, Discord, Mattermost, Pushbullet, Microsoft Teams, Google Chat, Pushover, and more. Mobile push notifications are available through the iOS and Android apps.
Other features include maintenance windows, incident tracking with root cause analysis, tags, comments, and filters. Share account with other team members.
Learn more
Overmonitor is cloud-based infrastructure, website, and endpoint monitoring built for teams that want fast setup without enterprise complexity. Monitor websites, servers, processes, Windows services, event logs, uptime, response time, SSL certificates, and internal network health from a lightweight 2.1 MB agent that reports a heartbeat every minute. Configure checks quickly, target monitoring by city-level geography, define maintenance windows that actually suppress noise, and receive alerts through push notifications and audible dashboards. Overmonitor includes process rollups, embeddable performance graphs, endpoint health visibility, and flexible à la carte pricing so you only pay for the monitoring you need. Use Overmonitor to detect outages, analyze website performance, track server availability, and improve end-user experience before small issues become downtime.
Learn more
Hyperspin
Unless you are a robot, it is infeasible for you to keep checking your website to see if it is available. Leave this tedious job to our automated service, and enjoy peace of mind. We support ping, HTTP, HTTPS, FTP, SSH, SMTP, DNS, POP3, IMAP, MySQL, and any arbitrary services running on TCP/IP. No complicated software to install; all you need is a web browser. We monitor your websites and servers from a network of 54 worldwide monitoring stations. Knowledge is power, that's why we provide you all the information you need about the uptime and performance of your websites and servers in easy-to-read reports and graphs. Public report is also available. Be the first to know when your website or server is in trouble! We notify via email, SMS and push notification. You can define one-time and recurring maintenance windows to pause uptime checks. We will not send you downtime alerts on planned outages.
Learn more