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Ranked by measurement

Best uptime monitoring

33 tested · top 33 shown

Ordered by a seven-frame production-readiness benchmark measured from each product's public surface — not popularity, pricing or feature count. Nobody pays to appear here and the order is never edited. How it is measured →
How this field scores
low 50median 83best 100
  1. 1
    CrawlPanel
    CrawlPanel is a website and API uptime monitoring service with browser journey testing.
    Perf 99
    Acce 100
    Sec 100
    Priv 100
    Rel 100
    Std 100
    Disc 100
    crawlpanel.com · measured 2026-08-24
    7/7 frames
  2. 2
    Uptimepage
    Uptime monitoring service with a self-hostable, open-source option and a free hosted tier.
    Perf 99
    Acce 97
    Sec 100
    Priv 100
    Rel 100
    Std 92
    Disc 100
    uptimepage.dev · measured 2026-09-17
    7/7 frames
  3. 3
    PulseChecker
    Uptime, cron, and AI agent monitoring for developers.
    Perf 82
    Acce 100
    Sec 100
    Priv 100
    Rel 100
    Std 94
    Disc 100
    pulsechecker.dev · measured 2026-09-08
    7/7 frames
  4. 4
    Upclock
    Uptime monitoring and status pages for developers, starting free.
    Perf 97
    Acce 100
    Sec 80
    Priv 100
    Rel 100
    Std 92
    Disc 100
    upclock.dev · measured 2026-09-20
    7/7 frames
  5. 5
    UptimeRobot
    UptimeRobot monitors websites, servers, and APIs and alerts you to downtime.
    Perf 71
    Acce 97
    Sec 100
    Priv 100
    Rel 100
    Std 73
    Disc 100
    uptimerobot.com · measured 2026-09-09
    7/7 frames
  6. 6
    WebPixie
    WebPixie is a website uptime and security monitoring service with tiered pricing plans.
    Perf 86
    Acce 100
    Sec 80
    Priv 75
    Rel 100
    Std 100
    Disc 100
    webpixie.io · measured 2026-09-06
    7/7 frames
  7. 7
    didit.run
    Cron job monitoring that alerts you when a scheduled task fails to run on time.
    Sec 100
    Priv 100
    Rel 100
    Std 100
    Disc 50
    2 not assessed
    didit.run · measured 2026-09-02
    5/7 frames
  8. 8
    Seiri
    Cron job and heartbeat monitoring that alerts you when scheduled work fails silently.
    Perf 84
    Acce 90
    Sec 55
    Priv 100
    Rel 100
    Std 100
    Disc 100
    seiri.app · measured 2026-09-25
    7/7 frames
  9. 9
    SSLCanary
    Free tool that checks any website's SSL certificate validity and expiry date.
    Perf 100
    Acce 100
    Sec 100
    Priv 25
    Rel 100
    Std 100
    Disc 100
    sslcanary.com · measured 2026-09-21
    7/7 frames
  10. 10
    Capto
    Capto is an uptime monitoring service billed by history retention, not per-monitor fees.
    Perf 90
    Acce 92
    Sec 100
    Priv 70
    Rel 75
    Std 86
    Disc 100
    capto.run · measured 2026-09-16
    7/7 frames
  11. 11
    Gonewatch
    Gonewatch monitors scheduled jobs and alerts you when a heartbeat goes missing.
    Perf 97
    Acce 96
    Sec 45
    Priv 100
    Rel 100
    Std 92
    Disc 87
    gonewatch.com · measured 2026-09-23
    7/7 frames
  12. 12
    CertFleet
    SSL certificate and uptime monitoring combined in one tool, starting free.
    Perf 100
    Acce 93
    Sec 45
    Priv 100
    Rel 75
    Std 92
    Disc 100
    certfleet.net · measured 2026-08-31
    7/7 frames
  13. 13
    Silent Fail
    Dead-man's switch monitoring that emails you when an automation stops running.
    Perf 100
    Acce 92
    Sec 25
    Priv 100
    Rel 100
    Std 92
    Disc 85
    silentfailapp.com · measured 2026-08-31
    7/7 frames
  14. 14
    Checkmate
    Self-hosted, open-source infrastructure monitoring for teams who value control.
    Sec 45
    Priv 100
    Rel 100
    Std 75
    Disc 100
    2 not assessed
    checkmate.so · measured 2026-09-20
    5/7 frames
  15. 15
    ServicesMon
    Daily email digest monitoring domains, uptime, app stats, and market data without logging in.
    Perf 94
    Acce 88
    Sec 45
    Priv 75
    Rel 100
    Std 89
    Disc 100
    servicesmon.com · measured 2026-09-24
    7/7 frames
  16. 16
    Uptime Gladiator
    Uptime monitoring service with a gladiator-themed ranking and competition system.
    Sec 45
    Priv 100
    Rel 90
    Std 100
    Disc 85
    2 not assessed
    uptimegladiator.com · measured 2026-09-01
    5/7 frames
  17. 17
    SitesRadar
    SitesRadar monitors client websites and alerts you the moment something breaks.
    Perf 99
    Acce 89
    Sec 25
    Priv 75
    Rel 100
    Std 100
    Disc 90
    sitesradar.com · measured 2026-09-06
    7/7 frames
  18. 18
    Vantaj
    Vantaj is a website and infrastructure uptime monitoring service.
    Perf 54
    Acce 92
    Sec 45
    Priv 100
    Rel 100
    Std 92
    Disc 100
    vantaj.co · measured 2026-09-22
    7/7 frames
  19. 19
    DomainDash
    Website monitoring service that checks uptime, SSL, DNS, and domain registration.
    Perf 72
    Acce 100
    Sec 25
    Priv 100
    Rel 90
    Std 89
    Disc 100
    domaindash.io · measured 2026-09-24
    7/7 frames
  20. 20
    Is your infrastructure actually down?
    Independent status monitor for developer infrastructure, checked every few minutes.
    Sec 100
    Priv 25
    Rel 100
    Std 75
    Disc 100
    2 not assessed
    downcheck.dev · measured 2026-09-08
    5/7 frames
  21. 21
    pingdom.com
    Pingdom is a website uptime and performance monitoring service.
    Perf 40
    Acce 95
    Sec 85
    Priv 55
    Rel 100
    Std 92
    Disc 67
    pingdom.com · measured 2026-09-15
    7/7 frames
  22. 22
    UptimeEye
    Uptime and cron job monitoring with multi-step flow checks for developers.
    Perf 80
    Sec 25
    Priv 100
    Rel 75
    Std 75
    Disc 100
    1 not assessed
    uptimeeye.com · measured 2026-09-15
    6/7 frames
  23. 23
    VUBEX SiteOps
    VUBEX SiteOps monitors websites for uptime, page health, and broken user journeys.
    Sec 45
    Priv 25
    Rel 100
    Std 100
    Disc 100
    2 not assessed
    siteops.vubex.dev · measured 2026-09-11
    5/7 frames
  24. 24
    news.ycombinator.com status
    Live uptime and response-time monitoring for news.ycombinator.com.
    Perf 97
    Acce 96
    Sec 25
    Priv 25
    Rel 100
    Std 97
    Disc 72
    anysite.live · measured 2026-09-21
    7/7 frames
  25. 25
    Pingtastic
    Cron job, heartbeat, and website monitoring for developers and agencies.
    Perf 71
    Acce 96
    Sec 45
    Priv 0
    Rel 100
    Std 92
    Disc 100
    pingtastic.net · measured 2026-09-15
    7/7 frames
  26. 26
    Uptime Monitoring
    Uptime monitoring service with HTTP checks, heartbeats, and status pages.
    Perf 76
    Acce 100
    Sec 25
    Priv 25
    Rel 100
    Std 92
    Disc 87
    kawze.com · measured 2026-08-24
    7/7 frames
  27. 27
    PulseGuard
    Dead man switch and heartbeat watchdog monitoring for cron jobs and workers.
    Perf 99
    Acce 96
    Sec 45
    Priv 25
    Rel 100
    Std 92
    Disc 35
    pulseguard.agentbuff.dev · measured 2026-09-10
    7/7 frames
  28. 28
    API Pulse
    API Pulse monitors your endpoints 24/7 and alerts you instantly via email or Slack when something breaks. Free
    Perf 90
    Acce 82
    Sec 45
    Priv 25
    Rel 67
    Std 92
    Disc 72
    apipulse.live · measured 2026-09-14
    7/7 frames
  29. 29
    PlainPing
    Website uptime, SSL, and domain-expiry monitoring with plain-English alerts.
    Perf 100
    Acce 88
    Sec 25
    Priv 25
    Rel 75
    Std 85
    Disc 45
    plainping.com · measured 2026-08-22
    7/7 frames
  30. 30
    Nexus Guard
    Nexus Guard provides 24/7 automated monitoring for solo founders at $19/month.
    Perf 100
    Acce 89
    Sec 25
    Priv 25
    Rel 100
    Std 82
    Disc 15
    2b3cf29bb9f3a3f24df79570bde64901.ctonew.app · measured 2026-09-18
    7/7 frames
  31. 31
    SolidPing
    SolidPing is an uptime monitoring service with multi-protocol checks.
    Sec 25
    Priv 25
    Rel 100
    Std 100
    Disc 15
    2 not assessed
    solidping.io · measured 2026-09-11
    5/7 frames
  32. 32
    Watchdog
    SSL and domain expiry monitoring, before it's too late
    Perf 100
    Acce 90
    Sec 25
    Priv 25
    Rel 47
    Std 67
    Disc 0
    watchdogcert.dev · measured 2026-09-11
    7/7 frames
  33. 33
    Ping
    Live uptime monitoring and peak-hour data for India's exam and recruitment portals.
    Perf 100
    Acce 55
    Sec 45
    Priv 25
    Rel 47
    Std 64
    Disc 15
    nkovaturient.github.io · measured 2026-09-11
    7/7 frames
What this does not say
This ranks how production-ready each product's public surface is — not how well it does its job. For uptime monitoring, that means it does not measure the quality of the work itself. Products whose sites block automated readers are left out rather than ranked last — we did not measure them, and bottom placement would claim something we never observed. Scores are floors: anything set at a CDN, a proxy or behind a login is invisible from the public surface.

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