Can you open https://www.philzimmermann.com/DE/background/index.html from mainland China?
Sometimes.
No recent testsVerdict from 2026-03-03 · 5 mo ago
As of the last test on 2026-03-03 — 5 mo ago — it was partly disrupted in mainland China. We haven't tested it since, so this may have changed.
Access www.philzimmermann.com with GreatFireVPN →Frequently asked questions
Is https://www.philzimmermann.com/DE/background/index.html blocked in mainland China right now?
We haven't tested https://www.philzimmermann.com/DE/background/index.html in the last 90 days. As of the last test on 2026-03-03 (5 mo ago), it was partly disrupted in mainland China. Use the Test now button on this page for a fresh measurement.
Why is https://www.philzimmermann.com/DE/background/index.html blocked in mainland China?
As of the last test on 2026-03-03 — 5 mo ago — it was partly disrupted in mainland China. We haven't tested it since, so this may have changed.
Since when has https://www.philzimmermann.com/DE/background/index.html been blocked?
GreatFire has recorded interference with https://www.philzimmermann.com/DE/background/index.html from mainland China since 2015-06-12.
How can I access https://www.philzimmermann.com/DE/background/index.html 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.philzimmermann.com.
https://www.philzimmermann.com/DE/background/index.html · JSON