Can you open https://www.edx.org/course/cs50s-introduction-to-computer-science from mainland China?
Sometimes.
Access is unreliable — 100% of the last 1 conclusive tests showed interference.
Access www.edx.org with GreatFireVPN →Frequently asked questions
Is https://www.edx.org/course/cs50s-introduction-to-computer-science blocked in mainland China right now?
As of the last test on 2026-06-17, https://www.edx.org/course/cs50s-introduction-to-computer-science is 100% disrupted in mainland China, based on GreatFire's live Great Firewall measurements.
Why is https://www.edx.org/course/cs50s-introduction-to-computer-science blocked in mainland China?
Access is unreliable — 100% of the last 1 conclusive tests showed interference.
Since when has https://www.edx.org/course/cs50s-introduction-to-computer-science been blocked?
GreatFire has recorded interference with https://www.edx.org/course/cs50s-introduction-to-computer-science from mainland China since 2019-03-28.
How can I access https://www.edx.org/course/cs50s-introduction-to-computer-science 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.edx.org.
https://www.edx.org/course/cs50s-introduction-to-computer-science · JSON