SiteFontCheck

No extension free font checker analyzer for modern web design

Check fonts on popular websites

Fonts used by

traefik.io

Last analyzed 9/29/2026, 12:30:19 PM UTC

Curious about the design behind traefik.io?

SiteFontCheck scanned their live CSS architecture and identified 6 unique font families.

The website relies heavily on rubik, -apple-system, blinkmacsystemfont, segoe ui, helvetica neue, sans-serif for its main text elements, paired with fira code, fira code fallback and serif as fallback options, and 3 additional.

6
unique font families
Primary font
rubik, -apple-system, blinkmacsystemfont, segoe ui, helvetica neue, sans-serif

Below is the precise map of font sizes, weights, and text elements used across their site.

Detected Fonts

6 found

rubik, -apple-system, blinkmacsystemfont, segoe ui, helvetica neue, sans-serif

337

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fira code, fira code fallback

3

Run Anywhere · Sovereign-by-Design · Infra-as-Code · Composable · Memory-safe

serif

2

mmMwWLliI0fiflO&1

sans-serif

2

mmMwWLliI0fiflO&1

monospace

2

mmMwWLliI0fiflO&1

system-ui

2

mmMwWLliI0fiflO&1

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About SiteFontCheck

SiteFontCheck is a powerful no extension free font checker analyzer that analyzes any website to identify and display all fonts used in real-time. Simply enter a URL and instantly discover the typography behind your favorite websites.

About SiteFontCheck

No extension free font checker analyzer for modern web design. Detect, analyze, and explore fonts across any website with our powerful, user-friendly interface.