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Lighthog · Uptime monitoring that barks before things break
Lighthog checks your sites every 30 seconds and alerts you in under 15, by email, Slack or SMS. Free plan, no credit card.
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84 % |
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Beacon — Synthetic Monitoring That Finds Failures Before Users Do
Beacon monitors uptime, performance, user journeys, and APIs — catching failures in seconds, not support tickets. Set up enterprise-grade monitoring in under...
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84 % |
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UptimeKing - Uptime Monitoring Done Right
Monitor websites, APIs, and cron jobs every 15 seconds. Instant alerts via Slack, Discord, email, and webhooks. Status pages included. Built for developers.
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84 % |
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TrackyLink — Uptime monitoring that never sleeps
Monitor websites, APIs, SSL certificates and cron jobs from 12 global locations. Get alerted in seconds via Slack, SMS, email and 15+ integrations. Start free.
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84 % |
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Whistlrr — Uptime monitoring that wakes you up, not your users
Instant endpoint health checks. 1-minute monitoring intervals. Alerts to Slack, PagerDuty, and Teams. Free for 3 monitors, no credit card.
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84 % |
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RapidCheck — Uptime monitoring + Attack Surface Management
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84 % |
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Uptime, heartbeat, SSL and domain monitoring - Last Seen Up
Last Seen Up watches your sites, servers and scheduled jobs around the clock. It double-checks every failure before it wakes anyone, then sends the alert str...
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84 % |
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NotifyUp - Website Uptime Monitoring
Monitor your websites uptime and get notified when they go down
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84 % |
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moleUp - Realtime Uptime Monitoring
moleUp - Realtime uptime monitoring. HTTP, TCP, Ping checks. Incident alerts. Status pages. Turn uptime into trust.
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83 % |
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Pinginn. | Free Uptime Monitoring – Websites, APIs & More
Join the beta — Free forever plan. Pro free during beta (just $3/mo after). Monitor websites, APIs & more. Fast checks, Slack & email alerts, API access.
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83 % |
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Website Downtime Checker & Downtime Tracker | TrackDowntime
Website downtime checker and downtime tracker for business sites and APIs: 60 second uptime monitoring, alerts by phone call, SMS and email, and an outage log.
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83 % |
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PULSX - Reliable Uptime Monitoring for Modern Builders | PULSX
Stop downtime before it hurts your business. Get 60-second checks, instant alerts via Email, Slack, and Discord, SSL monitoring, and beautiful public status...
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83 % |
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Uptimely — Uptime monitoring, on-call and status pages
Uptime monitoring, on-call paging and status pages in one product, replacing a Pingdom + PagerDuty + Statuspage stack. 1-minute checks on the free plan.
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83 % |
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UpSec.Watch | Uptime + Security, One Tool
Monitor website uptime and scan for security vulnerabilities from one calm, infra-grade dashboard. HTTP, HTTPS, and TCP checks across 330+ edge locations wit...
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83 % |
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Duck Stats — Uptime & Server Monitoring for Developers
Duck Stats watches your servers, APIs and services from multiple regions, and tells you who actually visited. Uptime, p95 latency, SSL, cron, push, DNS and D...
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83 % |
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UltraMonitor: website uptime monitoring
Uptime without the silence.
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83 % |
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saysOK — uptime that pays for itself
Uptime monitoring, incident alerting, and status pages. Free for 10 monitors; paid plans from $11/month.
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82 % |
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Uptime Monitoring for Websites, APIs & Servers | AlertPing
Uptime monitoring that checks websites, APIs, servers and ports every 30 seconds, confirms outages from 3 regions, and alerts by SMS, email, Slack or webhook.
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82 % |
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CompleteStatus — Uptime & security monitoring in one place
One tool for uptime, TLS, security headers, DNS and email-security monitoring — with copy-paste fixes, second-check confirmation and an MCP server. Free tier…
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82 % |
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Onlineisit Website Monitoring
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82 % |
Detected social media networks