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WebTechSurvey
WebTechSurvey is a web technology intelligence tool that identifies the complete tech stack used by any website
since Jun 16, 2026 · HTTP 404
CohortClass of 2026What it is
WebTechSurvey is a web technology intelligence tool that identifies the complete tech stack used by any website. Users can analyze individual sites or build targeted lists of websites using specific technologies, including those that have recently upgraded or switched their infrastructure.
HTTP liveness
9 probes since Jun 16Jun 16Jul 15
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
72/4 signal families
Liveness40%0.00
Press30%no data
GitHub20%no data
Tranco10%0.68
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y