Dead-Web Index · domain

code.facebook.com

How code.facebook.comresponded 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: client_error
Final status: 400
First status: 400
Scheme: https
Redirect hops: 0
Parked: no
Popularity rank: 9,656
TLD: .com

Final URL: https://code.facebook.com

Probed 2026-06-16T09:20:04Z

Polite bot (honest UA)Alive

Reason: ok
Final status: 200
First status: 301
Scheme: https
Redirect hops: 2
Parked: no
Popularity rank: 9,656
TLD: .com

Final URL: https://engineering.fb.com/

Probed 2026-06-15T06:50:52Z

Keep going

Next steps.

← Back to the Dead-Web Index Does code.facebook.com run anti-bot? →