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Internet Health Report 2020
An annual report from Mozilla examining the current state of internet health through data-driven insights and analysis
since Jun 16, 2026 · HTTP 200
CohortClass of 2020What it is
An annual report from Mozilla examining the current state of internet health through data-driven insights and analysis. The report includes internet facts, figures, and diagnosis of key trends affecting the digital landscape.
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 — redirectedRedirected offsite
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Pulse Indexobserved activity
202/4 signal families
Liveness40%0.40
Press30%no data
GitHub20%no data
Tranco10%0.45
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2020weekly
135 products launched in 2020 · 96% still active
129 active6 sunset
Still active
96%
Median lifespan
4.9y