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Products/Education/Seeing TheoryQuietVC Report ↗
Seeing Theory

Seeing Theory

A visual introduction to probability and statistics 📊 [Web App, Open Source, Analytics]

Education·Launched Feb 2017·0 upvotes·webgazer.cs.brown.edu
▲Upvote0Visit Website↗
ALIVEverified Jul 16, 2026 · HTTP 200
CohortClass of 2017

What it is

A visual introduction to probability and statistics 📊 [Web App, Open Source, Analytics]

HTTP liveness

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

Observed events

probes · press · GitHub
  1. Jun 16, 2026
    First probe — live
    Alive · 200 OK

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VitalsQuiet
Upvotes
—
Press
—
Tags
Pulse Indexobserved activity
502/4 signal families
Liveness40%
1.00
Press30%
no data
GitHub20%
no data
Tranco10%
0.96

Weighted observed activity · updated Jul 15

Cohort survival · Class of 2017weekly

13,497 products launched in 2017 · 100% still active

13,462 active35 sunset
Still active
100%
Median lifespan
4.9y