Can you open sso.cpm.org?redirect_uri=https%3A%2F%2Febooks.cpm.org%2Fssologin.php from mainland China?
Yes.
No recent testsVerdict from 2026-03-15 · 5 mo ago
As of the last test on 2026-03-15 — 5 mo ago — it was reachable in mainland China. We haven't tested it since, so this may have changed.
2019first tested
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Frequently asked questions
Is sso.cpm.org?redirect_uri=https%3A%2F%2Febooks.cpm.org%2Fssologin.php blocked in mainland China right now?
We haven't tested sso.cpm.org?redirect_uri=https%3A%2F%2Febooks.cpm.org%2Fssologin.php in the last 90 days. As of the last test on 2026-03-15 (5 mo ago), it was reachable in mainland China. Use the Test now button on this page for a fresh measurement.
https://sso.cpm.org?redirect_uri=https%3A%2F%2Febooks.cpm.org%2Fssologin.php · JSON