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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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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HttpStatus
HttpStatus is a comprehensive platform designed for API testing, monitoring, and tools geared towards the needs of contemporary developers. It provides an extensive array of over 700 free tools accessible via web browsers, addressing a wide spectrum of developer requirements, such as formatting JSON, decoding JWTs, checking SSL certificates, debugging CORS issues, validating OpenAPI specifications, and monitoring uptime.
The platform is thoughtfully arranged into distinct hubs, including JSON, Regex, Cron, Base64, URL, Hash, UUID, YAML, Timestamp, JWT, HTTP, Security, and others, ensuring that each hub features targeted tools accessible directly in the browser without the need for installations or signups, keeping all data secure on the user’s device.
In addition to individual utilities, HttpStatus provides robust functionalities tailored for API development teams, including mock servers for frontend work, chaos engineering tools for testing resilience, automation workflows compatible with Postman collection imports, webhook capture and inspection, analysis of distributed tracing, and comprehensive uptime monitoring across multiple regions, which includes alert channels and public status pages for transparency. This makes HttpStatus not just a toolset but a vital partner in the API development lifecycle.
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FourSight
FourSight offers a comprehensive multi-region uptime monitoring solution designed to prevent alert fatigue. Each monitoring check is conducted from four different geographical areas—US, Canada, Europe, and Asia-Pacific—and employs a quorum-based consensus policy to verify outages across more than one region before triggering alerts, ensuring that a single unreliable source won't disturb your sleep at 3 AM. The service encompasses eight different types of checks, including HTTP/uptime verification, keyword/content monitoring, SSL certificate expiration tracking, DNS drift detection, domain expiration (RDAP) checks, ping latency assessments, TCP/UDP port evaluations, and heartbeat monitoring for cron jobs and backups. Alerts are dispatched through various channels such as email, Slack, HMAC-signed webhooks, and SMS, with built-in escalation policies and maintenance windows designed to minimize unnecessary noise. Each subscription tier includes public status pages, which can feature white-label options with custom domains for the Scale tier, along with incident management capabilities that include timelines, support for multi-user organizations with defined roles, and comprehensive histories of uptime and latency with regional insights. This robust platform ensures that users can maintain optimal performance without being overwhelmed by alerts.
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