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Web Highlights
A browser extension that lets you highlight text on any webpage or PDF and automatically sync your annotations to a centralized web app
verified Jul 13, 2026 · HTTP 200
CohortClass of 2026What it is
A browser extension that lets you highlight text on any webpage or PDF and automatically sync your annotations to a centralized web app. Organize research and notes by marking up content directly as you browse, eliminating the need to search through history later.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
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
462/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.62
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y