Can you open https://www.signal.org/zh_CN from mainland China?
No.
No recent testsVerdict from 2026-04-09 · 5 mo ago
As of the last test on 2026-04-09 — 5 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access www.signal.org with GreatFireVPN →Frequently asked questions
Is https://www.signal.org/zh_CN blocked in mainland China right now?
We haven't tested https://www.signal.org/zh_CN in the last 90 days. As of the last test on 2026-04-09 (5 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is https://www.signal.org/zh_CN blocked in mainland China?
As of the last test on 2026-04-09 — 5 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has https://www.signal.org/zh_CN been blocked?
GreatFire has recorded interference with https://www.signal.org/zh_CN from mainland China since 2021-12-23.
How can I access https://www.signal.org/zh_CN 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 www.signal.org.
https://www.signal.org/zh_CN · JSON