Can you open fcm.firebaseio.com from mainland China?
No.
No recent testsVerdict from 2026-04-28 · 3 mo ago
As of the last test on 2026-04-28 — 3 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access fcm.firebaseio.com with GreatFireVPN →Frequently asked questions
Is fcm.firebaseio.com blocked in mainland China right now?
We haven't tested fcm.firebaseio.com in the last 90 days. As of the last test on 2026-04-28 (3 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is fcm.firebaseio.com blocked in mainland China?
As of the last test on 2026-04-28 — 3 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has fcm.firebaseio.com been blocked?
GreatFire has recorded interference with fcm.firebaseio.com from mainland China since 2017-06-23.
How can I access fcm.firebaseio.com 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 fcm.firebaseio.com.
http://fcm.firebaseio.com · JSON