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Vivaldi 1.5
The world's first web browser that controls lights — Vivaldi 1
last checked Jul 14, 2026 · Timeout
CohortClass of 2016What it is
The world's first web browser that controls lights — Vivaldi 1.5 is the first browser able to control smart lights [Web App, Internet of Things, Developer Tools]
HTTP liveness
12 probes since Jun 16Jun 16Jul 14
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 14, 2026Probe inconclusiveTimeout
- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
12 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
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