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ChangeTower
ChangeTower is a website monitoring platform that tracks content changes across web pages and sends automated notifications when updates are detected
verified Jul 12, 2026 · HTTP 200
CohortClass of 2026What it is
ChangeTower is a website monitoring platform that tracks content changes across web pages and sends automated notifications when updates are detected. Users can set custom alert criteria to monitor specific sites and receive real-time notifications of modifications.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
402/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.04
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y