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An assertion library for E2E testing and real user monitoring
This library simplifies end-to-end testing and real user monitoring, making it easier to ensure your application works as expected
verified Jul 5, 2026 · HTTP 200
CohortClass of 2026What it is
This library simplifies end-to-end testing and real user monitoring, making it easier to ensure your application works as expected. It provides a robust set of tools for asserting the correctness of your application's behavior. With this library, you can write more effective tests and improve your application's overall quality.
HTTP liveness
2 probes since Jul 4Jul 4Jul 5
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 4, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
382/4 signal families
Liveness40%0.82
Press30%no data
GitHub20%0.28
Tranco10%no data
Weighted observed activity · updated Jul 12
GitHub activitydaily 04:15 UTC
Last commit
10d ago
Last release
—
Open PRs
0
Open issues
0
Contributors 30d
1
Closed 30d
0
Cohort survival · Class of 2026weekly
508 products launched in 2026 · 100% still active
508 active0 sunset
Still active
100%
Median lifespan
4.9y