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Sidekick Browser
A work-focused browser built on Chromium that prioritizes speed and efficiency for online productivity
last checked Jul 16, 2026 · HTTP 403
CohortClass of 2026What it is
A work-focused browser built on Chromium that prioritizes speed and efficiency for online productivity. Features include support for multiple logins, workspace organization to reduce tab clutter, and an interface designed around popular web applications.
HTTP liveness
20 probes since Jun 16Jun 16Jul 16
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jul 4, 2026Probe inconclusiveCloudflare block
- Jun 24, 2026Redirected offsiteRedirected offsite
- Jun 16, 2026First probe — unverifiedCloudflare block
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Pulse Indexobserved activity
122/4 signal families
Liveness40%0.20
Press30%no data
GitHub20%no data
Tranco10%0.43
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y