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W3Schools
W3Schools is a comprehensive platform offering interactive tutorials and documentation for web technologies including HTML, CSS, JavaScript, and backend frameworks
verified Jul 16, 2026 · HTTP 200
CohortClass of 2016What it is
W3Schools is a comprehensive platform offering interactive tutorials and documentation for web technologies including HTML, CSS, JavaScript, and backend frameworks. The platform provides hands-on examples and exercises to help developers master modern web development skills. It serves as a go-to reference resource for both beginners and experienced developers seeking to refresh or expand their technical knowledge.
HTTP liveness
20 probes since Jun 16Jun 16Jul 16
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
502/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.98
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