4.7 out of 5 stars
(887 Ratings)
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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4.6 out of 5 stars
(459 Ratings)
Criminal IP is a cyber threat intelligence solution that provides decision-ready threat intelligence, and attack surface management solutions to security teams worldwide. By continuously scanning the global internet, Criminal IP aggregates and contextualizes threat signals across IPs, domains, URLs, and attack infrastructure, covering malicious indicators, known vulnerabilities, exposed assets, and attacker behavior. Criminal IP's mission is to give organizations real visibility into their cyber landscape and accelerate threat detection and response by delivering the intelligence needed to outsmart attackers.
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MonitorWWW
MonitorWWW is a website monitoring and security service for website owners, online stores, agencies and hosting teams. It checks websites every five minutes without requiring a plugin, server installation or hosting credentials. Checks cover availability, response time, SSL certificates, domain expiry, DNS and email-authentication records, security headers, exposed configuration or backup files, suspicious code, PHP errors, content changes and performance signals. WordPress monitoring adds core-version and known-vulnerability checks, malware detection and checks for WooCommerce cart and checkout availability; PrestaShop also has platform-specific security and configuration checks. Users review findings in a dashboard, receive email, SMS or Telegram alerts, and can generate PDF reports. Plans differ by monitored-site count and features, serving both individual sites and client portfolios.
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