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Basics of Sign Language
A mobile-first learning app that teaches sign language fundamentals through an intuitive interface
since Jun 16, 2026 · HTTP 404
CohortClass of 2026What it is
A mobile-first learning app that teaches sign language fundamentals through an intuitive interface. The platform covers Indian Sign Language (ISL), American Sign Language (ASL), and British Sign Language (BSL) with interactive quizzes and multimedia content.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — downDead · 404
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y