All of sciencenet.cnAll clear3 tested URLs
Can you open http://sciencenet.cn from mainland China?
Yes.
No recent testsVerdict from 2026-04-06 · 5 mo ago
As of the last test on 2026-04-06 — 5 mo ago — it was reachable in mainland China. We haven't tested it since, so this may have changed.
Same address over HTTPS:https://sciencenet.cnNot enough data
The two are filtered by different means — an unencrypted request by the address and keywords it carries in the clear, an encrypted one by the server name in its TLS handshake — so one working while the other does not is normal.
2012first tested
5 mo agolast tested
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Frequently asked questions
Is http://sciencenet.cn blocked in mainland China right now?
We haven't tested http://sciencenet.cn in the last 90 days. As of the last test on 2026-04-06 (5 mo ago), it was reachable in mainland China. Use the Test now button on this page for a fresh measurement.
http://sciencenet.cn · JSON