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MarkUp for Chrome
A Chrome extension that transforms any webpage into an interactive feedback canvas
verified Jul 15, 2026 · HTTP 200
CohortClass of 2026What it is
A Chrome extension that transforms any webpage into an interactive feedback canvas. Users can place annotated screenshots and comments directly on web pages, invite collaborators, and centralize all feedback in one unified workspace.
HTTP liveness
9 probes since Jun 16Jun 16Jul 15
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 15, 2026Back onlineAlive · 200 OK
- Jul 5, 2026Probe inconclusiveTimeout
- Jun 16, 2026First probe — liveAlive · 200 OK
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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
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y