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The Internet Archivist's Intrepid Browser Extension
Save Pages on the Wayback Machine While Surfing the Web — The Intrepid Extension automatically saves the webpages you visit on the Wayback Machine while you browse the web
verified Jul 13, 2026 · HTTP 200
CohortClass of 2018What it is
Save Pages on the Wayback Machine While Surfing the Web — The Intrepid Extension automatically saves the webpages you visit on the Wayback Machine while you browse the web. The magic all happens in a non-active browser tab on the left side of Google Chrome. For the best browsing experience, please leave this tab open; there is no need to continually close this tab. [Tech]
HTTP liveness
15 probes since Jun 11Jun 11Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 11, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
15 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2018weekly
2,435 products launched in 2018 · 100% still active
2,425 active10 sunset
Still active
100%
Median lifespan
4.9y