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Mailtrack.io
The best email tracking solution I've found
since Jun 16, 2026 · HTTP 200
CohortClass of 2014What it is
The best email tracking solution I've found. Free — Mailtrack is the #1 free email tracking and productivity tool for Gmail, with over 1.5 million active users on the Google Chrome Web Store, G Suite, iOS and Android. The current 70,000 customers of Mailtrack Pro and Advanced also count with extra features. [Productivity, Sales, Public Relations]
HTTP liveness
19 probes since Jun 16Jun 16Jul 15
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — redirectedRedirected offsite
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Pulse Indexobserved activity
252/4 signal families
Liveness40%0.40
Press30%no data
GitHub20%no data
Tranco10%0.89
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2014weekly
10,235 products launched in 2014 · 99% still active
10,131 active104 sunset
Still active
99%
Median lifespan
4.9y