Dead-Web Index · domain

dev.w3.org

How dev.w3.orgresponded 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)Blocked

Reason: forbidden
Final status: 403
First status: 403
Scheme: https
Redirect hops: 0
Parked: no
Popularity rank: 1,883
TLD: .org

Final URL: https://dev.w3.org

Probed 2026-06-15T22:53:46Z

Polite bot (honest UA)Blocked

Reason: forbidden
Final status: 403
First status: 301
Scheme: https
Redirect hops: 1
Parked: no
Popularity rank: 1,883
TLD: .org

Final URL: https://dev.w3.org/cvsweb

Probed 2026-06-15T06:28:49Z

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