SiteFontCheck

No extension free font checker analyzer for modern web design

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Fonts used by

atproto.com

Last analyzed 10/29/2026, 12:16:06 AM UTC

Curious about the design behind atproto.com?

SiteFontCheck scanned their live CSS architecture and identified 2 unique font families.

The website relies heavily on ibm plex sans, 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 ibm plex mono, ui-monospace, sfmono-regular, menlo, monaco, consolas, liberation mono, courier new, monospace as fallback options.

2
unique font families
Primary font
ibm plex sans, 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

2 found

ibm plex sans, ui-sans-serif, system-ui, sans-serif, apple color emoji, segoe ui emoji, segoe ui symbol, noto color emoji

87

Docs

ibm plex mono, ui-monospace, sfmono-regular, menlo, monaco, consolas, liberation mono, courier new, monospace

72

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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.