Can you open https://iyouport.substack.com/about from mainland China?
No.
No recent testsVerdict from 2026-03-04 · 6 mo ago
As of the last test on 2026-03-04 — 6 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access iyouport.substack.com with GreatFireVPN →Frequently asked questions
Is https://iyouport.substack.com/about blocked in mainland China right now?
We haven't tested https://iyouport.substack.com/about in the last 90 days. As of the last test on 2026-03-04 (6 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is https://iyouport.substack.com/about blocked in mainland China?
As of the last test on 2026-03-04 — 6 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has https://iyouport.substack.com/about been blocked?
GreatFire has recorded interference with https://iyouport.substack.com/about from mainland China since 2022-12-09.
How can I access https://iyouport.substack.com/about 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 iyouport.substack.com.
https://iyouport.substack.com/about · JSON