Dead-Web Index · domain

tc39.github.io

How tc39.github.ioresponded to each probe arm in the latest run. “Dead” is derived from the evidence below (DNS, TLS, HTTP status, redirects), not asserted directly.

Reachability (real Chrome TLS/JA3)Alive

Reason: ok
Final status: 200
First status: 301
Scheme: https
Redirect hops: 1
Parked: no
Popularity rank: 4,050
TLD: .io

Final URL: https://tc39.es/

Probed 2026-06-15T21:55:58Z

Polite bot (honest UA)Alive

Reason: ok
Final status: 200
First status: 301
Scheme: https
Redirect hops: 1
Parked: no
Popularity rank: 4,050
TLD: .io

Final URL: https://tc39.es/

Probed 2026-06-15T10:42:24Z

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