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Quaderno
Automatic Tax Management for Smart Businesses — Quaderno helps online businesses to automate their tax management with no efforts
last checked Jul 12, 2026 · HTTP 403
CohortClass of 2014What it is
Automatic Tax Management for Smart Businesses — Quaderno helps online businesses to automate their tax management with no efforts. Calculate taxes in real time, send automatic tax receipts that are valid worldwide, do your tax returns in seconds, and comply with international rules for digital taxes, including the EU VAT, and Canada & Australia GST. [Web App, Tech]
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 12, 2026Probe inconclusiveCloudflare block
- Jun 16, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
132/4 signal families
Liveness40%0.20
Press30%no data
GitHub20%no data
Tranco10%0.51
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2014weekly
10,235 products launched in 2014 · 99% still active
10,131 active104 sunset
Still active
99%
Median lifespan
4.9y