Can you open http://optivoice.net from mainland China?
Sometimes.
No recent testsVerdict from 2026-02-06 · 6 mo ago
As of the last test on 2026-02-06 — 6 mo ago — it was partly disrupted in mainland China. We haven't tested it since, so this may have changed.
Access optivoice.net with GreatFireVPN →Frequently asked questions
Is http://optivoice.net blocked in mainland China right now?
We haven't tested http://optivoice.net in the last 90 days. As of the last test on 2026-02-06 (6 mo ago), it was partly disrupted in mainland China. Use the Test now button on this page for a fresh measurement.
Why is http://optivoice.net blocked in mainland China?
As of the last test on 2026-02-06 — 6 mo ago — it was partly disrupted in mainland China. We haven't tested it since, so this may have changed.
Since when has http://optivoice.net been blocked?
GreatFire has recorded interference with http://optivoice.net from mainland China since 2018-10-09.
How can I access http://optivoice.net 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 optivoice.net.
http://optivoice.net · JSON