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js.org

https://js.org

B82
Performance 98Accessibility 93SEO 100Best Practices 96

6 technologies detected · Last audited Apr 21, 2026

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Technology stack

Analytics

BuySellAds Carbon Ads

Cdn

Cloudflare

Frontend

ImprovMX Open Graph

Hosting

GitHub Pages

Frequently asked questions about js.org

What technology does js.org use?

js.org is built with ImprovMX, Open Graph, GitHub Pages, Cloudflare, and BuySellAds.

Is js.org fast?

Yes — js.org scores 98/100 on Lighthouse mobile performance, in the top tier of audited sites.

Is js.org accessible?

Yes — js.org scores 93/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does js.org use?

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

Where is js.org hosted?

js.org is hosted on GitHub Pages.

Does js.org use HTTPS?

Yes — js.org serves traffic over HTTPS.

1 audits

Apr 21, 2026 20:09 UTC Latest

/

Worker: worker-madrid-spain-04

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Scores

Performance 98Accessibility 93Best Practices 96SEO 100PWA 0

Timing

LCP: 1.84 sFirst Contentful Paint: 1.70 sTTFB: 289 msTotal Time: 289 msCumulative Layout Shift: 0.071

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