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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ContentKing
ContentKing is a cloud platform that can be used by enterprises for real-time SEO auditing and content change tracking. Every unintended change can be a liability when search engines visit your website multiple times per day. With 24/7 Monitoring and Alerting, you can increase and maintain your search visibility while maintaining full situational awareness. ContentKing is the world's first search engine that allows you to identify problems before they affect your rankings. Search engines don't sleep.
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Hexowatch
Hexowatch serves as your intelligent assistant, capable of tracking any website for alterations in visuals, content, source code, technology, availability, or pricing. With the ability to access archived snapshots, receive change notifications, and extract data from any site in just a few minutes, it streamlines the process significantly. Checking multiple websites manually on a daily basis can be a time-consuming and monotonous task. Operating around the clock, Hexowatch helps identify trends, keep an eye on competitors, visually inspect your own site, maintain a comprehensive record of every modification, and transform any website into a private data repository, allowing you to download changes in CSV format, Google Sheets, or via Zapier integration. Whether you want to monitor an entire web page or just a specific section, this tool makes it easy to track visual changes, HTML elements, and the presence of particular keywords. Additionally, it allows you to observe updates in the technology stack or third-party scripts utilized on the website. With Hexowatch, you can initiate monitoring of any site within minutes, all without the need for software installation, proxies, or programming expertise. It empowers you to stay informed effortlessly and efficiently.
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