Is hbr.org:80 blocked in mainland China?

Can you open hbr.org:80 from mainland China?

Not sure yet.

There isn't enough recent data to reach a verdict.

2015first tested

7 mo agolast tested

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Other tested URLs on hbr.org

Each verdict covers the last 90 days of tests, as on that URL's own page.

Is hbr.org:80 blocked in mainland China right now?

As of the last test on 2026-01-13, hbr.org:80 is not enough data in mainland China, based on GreatFire's live Great Firewall measurements.

https://hbr.org:80 · JSON