China Firewall Test Report

Your website passed our initial accessibility test! ✅

Great News! Your website is reachable and accessible in China. Visitors can load your site without being completely blocked.

What This Means

Your website is accessible in China, meaning users can visit and browse it without encountering a blank page or outright firewall restrictions.

Potential Compatibility Issues

While your site is reachable, some elements may not function properly due to China's network environment, including:

⚠️ Form Submissions & Login Issues – Features using reCAPTCHA, Google, or Facebook authentication may not work.
⚠️ Embedded Videos – YouTube, Vimeo, and other video content may fail to load.
⚠️ Google Maps & External APIs – Services like Google Maps and other third-party APIs may not respond.
⚠️ Font Loading Issues – Web fonts hosted on blocked CDNs may not render correctly.
⚠️ Dynamic Requests – APIs, live content, or interactive features may experience delays or failures.

Learn more about China compatibility

Test Details

Website: https://ethereum.org
Test Date: Feb. 20, 2024, 5:02 p.m.
Tested Locations:
- 📍 Shanghai (23.4M people)
- 📍 Beijing (18.8M people)
- 📍 Shenzhen (12.7M people)
- 📍 Guangzhou (11.6M people)
- 📍 Chengdu (10.2M people)
- 📍 Chongqing (8.5M people)
- 📍 Tianjin (12.8M people)
Total Resources Tested: 29

Hosting: Grade -

To ensure more accurate results, we've upgraded the test. Please rerun it to experience the enhancements!

Hosting Performance Grades

Grade	Description
A	Excellent! Ultra-fast response (0–80ms), no packet loss.
B	Good. Response within 80–150ms, minimal delays.
C	Average. Moderate delays (150–300ms).
D	Poor. High latency (300–500ms), noticeable lag.
E	Very Poor. Extreme latency (500ms+), connection issues.

How does the Hosting Performance Test work?

Resource Performance Grades

Grade	Description
A	Lightning-fast (<100ms).
B	Fast (101-200ms), smooth experience.
C	Moderate (201-500ms), slight delays.
D	Slower (501-1000ms), noticeable lag.
E	Severe delays, resource failures.

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What is the Resource Performance Test?

Is reach time the same as download time?

Limitations

This test does not measure performance for dynamic content like forms, videos, post-login pages, or interactions triggered by clicks. For a full evaluation, contact us at hello@21yunbox.com. We’re here to help you optimize your website for China.