SiteFontCheck

No extension free font checker analyzer for modern web design

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Fonts used by

underscorejs.org

Last analyzed 11/15/2026, 12:00:57 PM UTC

Curious about the design behind underscorejs.org?

SiteFontCheck scanned their live CSS architecture and identified 4 unique font families.

The website relies heavily on helvetica neue, helvetica, arial for its main text elements, paired with lucida grande and monaco, consolas, lucida console, monospace as fallback options, and 1 additional.

4
unique font families
Primary font
helvetica neue, helvetica, arial

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

Detected Fonts

4 found

helvetica neue, helvetica, arial

1624

Underscore

lucida grande

266

»

monaco, consolas, lucida console, monospace

260

_.each(list, iteratee, [context])

lucida grande, lucida sans unicode, helvetica, arial, sans-serif

13

Underscore.js

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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.