Can you open https://coa.immigration.gov.tw/coa-frontend/overseas-foreign-china from mainland China?
No.
No recent testsVerdict from 2026-03-28 · 5 mo ago
As of the last test on 2026-03-28 — 5 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access coa.immigration.gov.tw with GreatFireVPN →Frequently asked questions
Is https://coa.immigration.gov.tw/coa-frontend/overseas-foreign-china blocked in mainland China right now?
We haven't tested https://coa.immigration.gov.tw/coa-frontend/overseas-foreign-china in the last 90 days. As of the last test on 2026-03-28 (5 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is https://coa.immigration.gov.tw/coa-frontend/overseas-foreign-china blocked in mainland China?
As of the last test on 2026-03-28 — 5 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has https://coa.immigration.gov.tw/coa-frontend/overseas-foreign-china been blocked?
GreatFire has recorded interference with https://coa.immigration.gov.tw/coa-frontend/overseas-foreign-china from mainland China since 2019-10-18.
How can I access https://coa.immigration.gov.tw/coa-frontend/overseas-foreign-china 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 coa.immigration.gov.tw.
https://coa.immigration.gov.tw/coa-frontend/overseas-foreign-china · JSON