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4.cn

https://4.cn

D69
Performance 86Accessibility 62SEO 50Best Practices 92

6 technologies detected · Last audited Apr 22, 2026

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Technology stack

Analytics

Google Analytics Google Tag Manager

Cdn

Nginx

Frontend

Google Search Console jQuery punycode

Frequently asked questions about 4.cn

What technology does 4.cn use?

4.cn is built with Google Search Console, jQuery, punycode, Nginx, and Google Analytics.

Is 4.cn fast?

Mostly — 4.cn scores 86/100 on Lighthouse mobile performance, above average but with room to improve.

Is 4.cn accessible?

Limited — 4.cn scores 62/100 on Lighthouse accessibility, with several automated issues to address.

What CMS does 4.cn use?

No CMS fingerprint was detected on 4.cn — it may use a static site generator or a custom application.

Where is 4.cn hosted?

4.cn is served through Nginx.

Does 4.cn use HTTPS?

Yes — 4.cn serves traffic over HTTPS.

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1 audits

Apr 22, 2026 00:21 UTC Latest

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Worker: worker-madrid-spain-02

View full report →

Scores

Performance 86Accessibility 62Best Practices 92SEO 50PWA 0

Timing

LCP: 3.14 sFirst Contentful Paint: 3.14 sTTFB: 1.89 sTotal Time: 1.89 sCumulative Layout Shift: 0.000

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