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DownNotifier

DownNotifier

Get an alert when your website is down 🚨 [Productivity, Developer Tools, Tech]

Developer Tools·Launched Sep 2016·0 upvotes·downnotifier.com
▲Upvote0Visit Website↗
UNVERIFIEDlast checked Jul 14, 2026 · Timeout
CohortClass of 2016

What it is

Get an alert when your website is down 🚨 [Productivity, Developer Tools, Tech]

HTTP liveness

11 probes since Jun 16
Jun 16Jul 14
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)

Observed events

probes · press · GitHub
  1. Jul 14, 2026
    Probe inconclusive
    Timeout
  2. Jun 16, 2026
    First probe — live
    Alive · 200 OK

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VitalsQuiet
Upvotes
—
Press
—
Tags
Pulse Indexobserved activity
92/4 signal families
Liveness40%
0.20
Press30%
no data
GitHub20%
no data
Tranco10%
0.09

Weighted observed activity · updated Jul 15

Cohort survival · Class of 2016weekly

13,657 products launched in 2016 · 100% still active

13,633 active24 sunset
Still active
100%
Median lifespan
4.9y