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pagecheck
pagecheck monitors website performance by testing sites in actual browsers rather than relying on ping or server response metrics
last checked Jul 15, 2026 · Unknown
CohortClass of 2026What it is
pagecheck monitors website performance by testing sites in actual browsers rather than relying on ping or server response metrics. It identifies performance bottlenecks and security vulnerabilities, then delivers actionable recommendations to optimize user experience and conversion rates.
HTTP liveness
10 probes since May 23May 23Jul 15
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- May 23, 2026First probe — unverifiedUnknown
Moat
Data moat
weak
pagecheck identifies performance bottlenecks and security vulnerabilities.
weak · 0.60 confidence
Text classification · Jun 2026
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Pulse Indexobserved activity
10 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y