LegitShow is the trusted source on every launched service — web apps, SaaS, AI tools, MCP servers and developer tools: what each one does, who it’s for, and how it actually holds up, measured by an objective 7-Frame production-readiness benchmark taken deterministically from the public surface. How we measure →

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Ranked by measurement

Best uptime monitoring

12 tested · top 12 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 82best 98
  1. 1
    Uptimepage
    Uptime monitoring service with a self-hostable, open-source option and a free hosted tier.
    Perf 98
    Sec 100
    Priv 100
    Rel 100
    Std 92
    Disc 100
    uptimepage.dev · measured 2026-08-09
  2. 2
    Upclock
    Uptime monitoring and status pages for developers, starting free.
    Perf 95
    Sec 80
    Priv 100
    Rel 100
    Std 92
    Disc 100
    upclock.dev · measured 2026-08-09
  3. 3
    Seiri
    Cron job and heartbeat monitoring that alerts you when scheduled work fails silently.
    Perf 84
    Sec 55
    Priv 100
    Rel 100
    Std 100
    Disc 100
    seiri.app · measured 2026-08-09
  4. 4
    UptimeRobot
    UptimeRobot monitors websites, servers, and APIs and alerts you to downtime.
    Perf 58
    Sec 100
    Priv 100
    Rel 100
    Std 73
    Disc 100
    uptimerobot.com · measured 2026-08-09
  5. 5
    DomainDash
    Website monitoring service that checks uptime, SSL, DNS, and domain registration.
    Perf 86
    Sec 25
    Priv 100
    Rel 90
    Std 89
    Disc 100
    domaindash.io · measured 2026-08-09
  6. 6
    Checkmate
    Self-hosted, open-source infrastructure monitoring for teams who value control.
    Perf 80
    Sec 45
    Priv 100
    Rel 100
    Std 75
    Disc 100
    checkmate.so · measured 2026-08-09
  7. 7
    Vantaj
    Vantaj is a website and infrastructure uptime monitoring service.
    Perf 46
    Sec 45
    Priv 100
    Rel 100
    Std 92
    Disc 100
    vantaj.co · measured 2026-08-09
  8. 8
    ServicesMon
    Daily email digest monitoring domains, uptime, app stats, and market data without logging in.
    Perf 68
    Sec 45
    Priv 75
    Rel 100
    Std 89
    Disc 100
    servicesmon.com · measured 2026-08-09
  9. 9
    Watchdog
    SSL and domain expiry monitoring, before it's too late
    Perf 91
    Sec 60
    Priv 100
    Rel 100
    Std 85
    Disc 35
    watchdogcert.dev · measured 2026-08-10
  10. 10
    UptimeEye
    Uptime and cron job monitoring with multi-step flow checks for developers.
    Perf 75
    Sec 25
    Priv 100
    Rel 75
    Std 92
    Disc 100
    uptimeeye.com · measured 2026-08-09
  11. 11
    pingdom.com
    Pingdom is a website uptime and performance monitoring service.
    Perf 58
    Sec 85
    Priv 55
    Rel 100
    Std 92
    Disc 67
    pingdom.com · measured 2026-08-09
  12. 12
    Ping
    Live uptime monitoring and peak-hour data for India's exam and recruitment portals.
    Perf 100
    Sec 45
    Priv 25
    Rel 47
    Std 64
    Disc 15
    nkovaturient.github.io · measured 2026-08-10
What this does not say
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.

All measured categories → · Browse the directory →