SiteFontCheck

No extension free font checker analyzer for modern web design

Check fonts on popular websites

Fonts used by

sf.gov

Last analyzed 9/22/2026, 12:08:34 AM UTC

Curious about the design behind sf.gov?

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

The website relies heavily on __roboto_flex_2242a9, __roboto_flex_fallback_2242a9, ui-sans-serif, sans-serif for its main text elements, paired with __roboto_slab_082b53, __roboto_slab_fallback_082b53, ui-serif, serif as fallback options.

2
unique font families
Primary font
__roboto_flex_2242a9, __roboto_flex_fallback_2242a9, ui-sans-serif, sans-serif

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

Detected Fonts

2 found

__roboto_flex_2242a9, __roboto_flex_fallback_2242a9, ui-sans-serif, sans-serif

355

Skip to main content

__roboto_slab_082b53, __roboto_slab_fallback_082b53, ui-serif, serif

29

SF.gov

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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.