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.
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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.
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WebWatcher
Log into your risk-free account and select any device (Android, iPhone, PC, Mac or Chromebook) to monitor discretely from your secure online account. All products install easily in 5 minutes or less, are discrete and thus tamper-proof, and all recorded data is sent to a secure web-based account which allows you to monitor remotely from any device at your convenience. Discreetly sends data on all Internet browsing and other web-related activity to a secure account. Parents or employers can see exactly what their children or employees are doing and who they're talking to on the Internet and on their mobile devices. If WebWatcher is installed on two or more devices used by the same individual, all data for that user will be combined into a single report. WebWatcher is guaranteed to be compatible with all operating systems listed below.
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