UptimeRobot
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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NeuBird
NeuBird’s flagship product, Hawkeye (Agentic AI SRE), is an AI-powered Site Reliability Engineering platform that transforms IT operations by continuously monitoring telemetry from across your observability stack, logs, metrics, traces, alerts, and incident tickets, to detect issues, analyze root causes, and propose or automate practical remediation in real time without requiring manual investigation. Built for enterprise-grade environments, Hawkeye integrates securely with existing monitoring and incident management tools (such as DataDog, Splunk, PagerDuty, Prometheus, ServiceNow, AWS CloudWatch, Azure Monitor, and more), correlates signals across disparate sources, and reasons contextually like a human engineer to surface actionable insights and reduce mean time to resolution (MTTR) by up to ~90%. It is always-on and can be deployed as SaaS or in a customer’s VPC with enterprise security controls, providing autonomous incident response, pattern recognition, etc.
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Uptime.com
We provide peace of mind to thousands of customers like Apple, Microsoft, IBM, Palo Alto Networks, Kraft, and BNP Paribas who trust us to monitor the performance, health, and downtime of their websites, applications, and infrastructure.
We’ve been recognized as one of the world’s best web monitoring solutions by G2 and TechRadar Pro for several consecutive years, including this one.
Use Uptime.com to:
-Choose domains and configure checks to start monitoring web, network, and email performance at global scale.
-Get accurate, moment-it-happens web downtime and performance alerts to any device or DevOps tool you use.
-Customize system monitoring dashboards to report on critical data across alerts, check types, and SLAs -- segmented by account user or subaccount.
-Quickly and professionally communicate downtime and outage statuses in the same tool you monitor website performance with.
-Deliver alert notifications response time metrics into your teams go-to tools
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