Can you open https://zh.surveymonkey.com/r/5R66TC7 from mainland China?

Yes.

Verdict revisedThis page previously read partly disrupted. 3 of the tests behind that verdict, the most recent on 2026-09-12, had their mainland China connections refused outright — and since late August 2026 refusals have been arriving on routes with no other sign of interference, so they no longer count as evidence of blocking. How we decide what to exclude

All 3 recent conclusive tests connected normally.