Can you open http://www.chinafirewalltest.com?siteurl=https%3A%2F%2Fcolab.research.google.com%2Fnotebooks%2Fwelcome.ipynb from mainland China?
No.
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Access www.chinafirewalltest.com?siteurl=https%3A%2F%2Fcolab.research.google.com%2Fnotebooks%2Fwelcome.ipynb with GreatFireVPN →Frequently asked questions
Is http://www.chinafirewalltest.com?siteurl=https%3A%2F%2Fcolab.research.google.com%2Fnotebooks%2Fwelcome.ipynb blocked in mainland China right now?
As of the last test on 2026-07-06, http://www.chinafirewalltest.com?siteurl=https%3A%2F%2Fcolab.research.google.com%2Fnotebooks%2Fwelcome.ipynb is 100% blocked in mainland China, based on GreatFire's live Great Firewall measurements.
Why is http://www.chinafirewalltest.com?siteurl=https%3A%2F%2Fcolab.research.google.com%2Fnotebooks%2Fwelcome.ipynb blocked in mainland China?
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Since when has http://www.chinafirewalltest.com?siteurl=https%3A%2F%2Fcolab.research.google.com%2Fnotebooks%2Fwelcome.ipynb been blocked?
GreatFire has recorded interference with http://www.chinafirewalltest.com?siteurl=https%3A%2F%2Fcolab.research.google.com%2Fnotebooks%2Fwelcome.ipynb from mainland China since 2020-06-04.
How can I access http://www.chinafirewalltest.com?siteurl=https%3A%2F%2Fcolab.research.google.com%2Fnotebooks%2Fwelcome.ipynb 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.chinafirewalltest.com?siteurl=https%3A%2F%2Fcolab.research.google.com%2Fnotebooks%2Fwelcome.ipynb.
http://www.chinafirewalltest.com?siteurl=https%3A%2F%2Fcolab.research.google.com%2Fnotebooks%2Fwelcome.ipynb · JSON