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fly.io

https://www.fly.io

C73
Performance 51Accessibility 100SEO 82Best Practices 100

15 technologies detected · Last audited Apr 7, 2026

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Technology stack

Analytics

Google Analytics Google Tag Manager Plausible

Backend

Elixir Erlang

Frontend

Apple Google Search Console Google Workspace Leaflet Livefyre Open Graph Phoenix Framework Phoenix LiveView Tailwind CSS

Hosting

Fly.io

Frequently asked questions about fly.io

What technology does fly.io use?

fly.io is built with Apple, Google Search Console, Google Workspace, Leaflet, and Livefyre.

Is fly.io fast?

Somewhat — fly.io scores 51/100 on Lighthouse mobile performance, below the median audited site.

Is fly.io accessible?

Yes — fly.io scores 100/100 on Lighthouse accessibility, meeting most WCAG-aligned automated checks.

What CMS does fly.io use?

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

Where is fly.io hosted?

fly.io is hosted on Fly.io.

Does fly.io use HTTPS?

Yes — fly.io serves traffic over HTTPS.

1 audits

Apr 7, 2026 20:20 UTC Latest

/

Worker: worker-saopaulo-br-01

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Scores

Performance 51Accessibility 100Best Practices 100SEO 82PWA 0

Timing

LCP: 23.28 sFirst Contentful Paint: 2.27 sTTFB: 51 msTotal Time: 51 msCumulative Layout Shift: 0.000

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