Dead-Web Index · domain

discovery.ucl.ac.uk

How discovery.ucl.ac.ukresponded 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: 200
Scheme: https
Redirect hops: 0
Parked: no
Popularity rank: 4,899
TLD: .uk

Final URL: https://discovery.ucl.ac.uk

Probed 2026-06-16T04:45:58Z

Polite bot (honest UA)Blocked

Reason: forbidden
Final status: 403
First status: 403
Scheme: https
Redirect hops: 0
Parked: no
Popularity rank: 4,899
TLD: .uk

Final URL: https://discovery.ucl.ac.uk

Probed 2026-06-15T04:41:59Z

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