SiteFontCheck

No extension free font checker analyzer for modern web design

Check fonts on popular websites

Fonts used by

upstreamonline.com

Last analyzed 11/5/2026, 12:06:45 AM UTC

Curious about the design behind upstreamonline.com?

SiteFontCheck scanned their live CSS architecture and identified 3 unique font families.

The website relies heavily on inter, arial, sans-serif for its main text elements, paired with inter and erode as fallback options.

3
unique font families
Primary font
inter, arial, sans-serif

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

Detected Fonts

3 found

inter, arial, sans-serif

121

Your advertising options on Upstream

inter

93

Skip to main content

erode

15

Brazil antitrust watchdog approves Saipem-Subsea7

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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.