Is http://connectivitycheck.gstatic.com/gen_204 blocked in mainland China?

Can you open http://connectivitycheck.gstatic.com/gen_204 from mainland China?

Yes.

No recent testsVerdict from 2026-04-08 · 7 mo ago

As of the last test on 2026-04-08 — 7 mo ago — it was reachable in mainland China. We haven't tested it since, so this may have changed.

Same address over HTTPS:https://connectivitycheck.gstatic.com/gen_204Not blocked

2024first tested

7 mo agolast tested

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Other tested URLs on gstatic.com

Mixed7 blocked44 disrupted124 accessible2 no verdictAll 177 tested URLs on gstatic.com →

Blocking varies across gstatic.com: 7 blocked vs 124 accessible among tested hosts.

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

Frequently asked questions

Is http://connectivitycheck.gstatic.com/gen_204 blocked in mainland China right now?

We haven't tested http://connectivitycheck.gstatic.com/gen_204 in the last 90 days. As of the last test on 2026-04-08 (7 mo ago), it was reachable in mainland China. Use the Test now button on this page for a fresh measurement.

http://connectivitycheck.gstatic.com/gen_204 · JSON