SiteFontCheck

No extension free font checker analyzer for modern web design

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Fonts used by

readme.io

Last analyzed 9/25/2026, 12:45:12 AM UTC

Curious about the design behind readme.io?

SiteFontCheck scanned their live CSS architecture and identified 5 unique font families.

The website relies heavily on geist mono, geist mono fallback for its main text elements, paired with stkbureausans, stkbureausans fallback and stkbureauserif, stkbureauserif fallback as fallback options, and 2 additional.

5
unique font families
Primary font
geist mono, geist mono fallback

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

Detected Fonts

5 found

stkbureausans, stkbureausans fallback

217

Product

geist mono, geist mono fallback

369

Everything to Build Great Docs

stkbureauserif, stkbureauserif fallback

198

Documentation

-apple-system-, blinkmacsystemfont, inter, inter fallback, system-ui, helvetica neue, arial, sans-serif

189

Guides

-apple-system, blinkmacsystemfont, segoe ui, roboto, helvetica neue, noto sans, arial, sans-serif, apple color emoji, segoe ui emoji, segoe ui symbol, noto color emoji

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.