SiteFontCheck

No extension free font checker analyzer for modern web design

Check fonts on popular websites

Fonts used by

langfuse.com

Last analyzed 11/1/2026, 6:40:30 PM UTC

Curious about the design behind langfuse.com?

SiteFontCheck scanned their live CSS architecture and identified 8 unique font families.

The website relies heavily on inter, inter fallback, ui-sans-serif, system-ui, sans-serif, apple color emoji, segoe ui emoji, segoe ui symbol, noto color emoji for its main text elements, paired with geistmono, geistmono fallback, ui-monospace, sfmono-regular, menlo, monaco, consolas, liberation mono, courier new, monospace and f37analog, f37analog fallback as fallback options, and 5 additional.

8
unique font families
Primary font
inter, inter fallback, ui-sans-serif, system-ui, sans-serif, apple color emoji, segoe ui emoji, segoe ui symbol, noto color emoji

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

Detected Fonts

8 found

inter, inter fallback, ui-sans-serif, system-ui, sans-serif, apple color emoji, segoe ui emoji, segoe ui symbol, noto color emoji

589

We value your privacy

geistmono, geistmono fallback, ui-monospace, sfmono-regular, menlo, monaco, consolas, liberation mono, courier new, monospace

34

Read docs

f37analog, f37analog fallback

33

Open Source

f37analog, f37analog fallback, serif

11

What is Langfuse?

serif

1

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sans-serif

1

mmMwWLliI0fiflO&1

monospace

1

mmMwWLliI0fiflO&1

system-ui

1

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.