Curious about the design behind zerotothree.org?
SiteFontCheck scanned their live CSS architecture and identified 7 unique font families.
The website relies heavily on proxima-nova, source sans pro, open sans, sans-serif for its main text elements, paired with proxima-nova-extra-condensed, arial narrow, source sans pro, open sans, sans-serif and proxima-nova-extra-condensed, arial narrow, sans-serif as fallback options, and 4 additional.
Below is the precise map of font sizes, weights, and text elements used across their site.
Detected Fonts
7 foundproxima-nova, source sans pro, open sans, sans-serif
Join us to build a world where all babies can thrive.
proxima-nova-extra-condensed, source sans pro, open sans, sans-serif
Believe In Babies
helvetica neue, helvetica, arial, sans-serif
Go to ZERO TO THREE Home
proxima-nova-extra-condensed, arial narrow, source sans pro, open sans, sans-serif
Donate
a
Go to ZERO TO THREE Home
proxima-nova-extra-condensed, arial narrow, sans-serif
LEARN 2026: Advancing Early Childhood Development
proxima-nova, arial narrow, sans-serif
We support families, professionals and policymakers who shape the lives of young children.
Loading preview...