Can you open facebook.com/security/hsts-pixel.gif from mainland China?
No.
No recent testsVerdict from 2026-01-30 · 6 mo ago
As of the last test on 2026-01-30 — 6 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access facebook.com/security/hsts-pixel.gif with GreatFireVPN →
Frequently asked questions
Is facebook.com/security/hsts-pixel.gif blocked in mainland China right now?
We haven't tested facebook.com/security/hsts-pixel.gif in the last 90 days. As of the last test on 2026-01-30 (6 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is facebook.com/security/hsts-pixel.gif blocked in mainland China?
As of the last test on 2026-01-30 — 6 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has facebook.com/security/hsts-pixel.gif been blocked?
GreatFire has recorded interference with facebook.com/security/hsts-pixel.gif from mainland China since 2025-02-26.
How can I access facebook.com/security/hsts-pixel.gif from mainland China?
You need a circumvention tool such as a VPN. GreatFireVPN, built by GreatFire, is designed to bypass the Great Firewall and reach sites like facebook.com/security/hsts-pixel.gif.
http://facebook.com/security/hsts-pixel.gif · JSON
