Launch Sentinel

Command Palette

Search for a command to run...

Products/Marketing/Content Upgrades by VYPERQuietVC Report ↗
Content Upgrades by VYPER

Content Upgrades by VYPER

Explode your email list with content upgrades on steroids [Email Marketing, Tech]

Marketing·Launched Oct 2016·0 upvotes·vyper.io
▲Upvote0Visit Website↗
REDIRECTED → blitzrocket.comsince Jul 14, 2026 · HTTP 200
CohortClass of 2016

What it is

Explode your email list with content upgrades on steroids [Email Marketing, Tech]

HTTP liveness

12 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
    Redirected offsite
    Redirected offsite
  2. Jun 16, 2026
    First probe — live
    Alive · 200 OK

Discussion 0 comments

0/1000
Sign in to comment

No comments yet. Be the first!

VitalsQuiet
Upvotes
—
Press
—
Tags
Pulse Indexobserved activity
202/4 signal families
Liveness40%
0.40
Press30%
no data
GitHub20%
no data
Tranco10%
0.39

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