SiteFontCheck

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Fonts used by

rusi.org

Last analyzed 9/21/2026, 6:23:07 AM UTC

Curious about the design behind rusi.org?

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

The website relies heavily on source sans pro, garamond, georgia, sans-serif for its main text elements, paired with source serif pro, helvetica, arial, serif and open sans, arial, trebuchet ms, segoe ui, helvetica, sans-serif as fallback options, and 2 additional.

5
unique font families
Primary font
source sans pro, garamond, georgia, sans-serif

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

Detected Fonts

5 found

source sans pro, garamond, georgia, sans-serif

341

menu

arial

5

Log in / Register

source serif pro, helvetica, arial, serif

26

The Royal United Services Institute (RUSI) is the world’s oldest and the UK’s leading defence and security think tank. Our mission is to inform, influence and enhance public debate to help build a safer and more stable world.

trebuchet ms, arial, sans-serif

1

×

open sans, arial, trebuchet ms, segoe ui, helvetica, sans-serif

8

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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.