Can you open zzb.bz/y13sz from mainland China?
No.
It's blocked — 100% of the last 2 conclusive tests failed in mainland China.
Access zzb.bz/y13sz with GreatFireVPN →2013first tested
2/2blocked · last 90 days
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Frequently asked questions
Is zzb.bz/y13sz blocked in mainland China right now?
As of the last test on 2026-05-17, zzb.bz/y13sz is 100% blocked in mainland China, based on GreatFire's live Great Firewall measurements.
Why is zzb.bz/y13sz blocked in mainland China?
It's blocked — 100% of the last 2 conclusive tests failed in mainland China.
Since when has zzb.bz/y13sz been blocked?
GreatFire has recorded interference with zzb.bz/y13sz from mainland China since 2013-11-01.
How can I access zzb.bz/y13sz from mainland China?
You need a circumvention tool such as a VPN. GreatFireVPN, built by GreatFire, is designed to bypass the Great Firewall and reach sites like zzb.bz/y13sz.
http://zzb.bz/y13sz · JSON