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diagrams.net

https://diagrams.net

C76
Performance 73Accessibility 70SEO 83Best Practices 100

12 technologies detected · Last audited Apr 22, 2026

View full audit

Technology stack

Cdn

Cloudflare

Frontend

Animate.css Bootstrap Font Awesome Google Font API Google Search Console HSTS Microsoft Popper Tailwind CSS jQuery jQuery Migrate

Frequently asked questions about diagrams.net

What technology does diagrams.net use?

diagrams.net is built with Animate.css, Bootstrap, Font Awesome, Google Font API, and Google Search Console.

Is diagrams.net fast?

Mostly — diagrams.net scores 73/100 on Lighthouse mobile performance, above average but with room to improve.

Is diagrams.net accessible?

Mostly — diagrams.net scores 70/100 on Lighthouse accessibility, with a handful of automated issues to address.

What CMS does diagrams.net use?

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

Where is diagrams.net hosted?

diagrams.net is served through Cloudflare.

Does diagrams.net use HTTPS?

Yes — diagrams.net serves traffic over HTTPS.

1 audits

Apr 22, 2026 22:55 UTC Latest

/

Worker: worker-madrid-spain-02

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Scores

Performance 73Accessibility 70Best Practices 100SEO 83PWA 0

Timing

LCP: 4.64 sFirst Contentful Paint: 3.85 sTTFB: 98 msTotal Time: 99 msCumulative Layout Shift: 0.000

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