SiteFontCheck

No extension free font checker analyzer for modern web design

Check fonts on popular websites

Fonts used by

npmjs.org

Last analyzed 9/18/2026, 6:01:42 PM UTC

Curious about the design behind npmjs.org?

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

The website relies heavily on poppins for its main text elements, paired with source sans pro, lucida grande, sans-serif and poppins, sans-serif as fallback options, and 1 additional.

4
unique font families
Primary font
poppins

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

Detected Fonts

4 found

source sans pro, lucida grande, sans-serif

9

⚠️

poppins

22

Pro

poppins, sans-serif

5

Build amazing things

arimo, sans-serif

3

We're GitHub, the company behind the npm Registry and npm CLI. We offer those to the community for free, but our day job is building and selling useful tools for developers like you.

Loading preview...

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.