Curious about the design behind flowingdata.com?

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

The website relies heavily on gotham ssm a, gotham ssm b, montserrat, gill sans, century gothic, ui-sans-serif, sans-serif for its main text elements, paired with mercury ssm a, mercury ssm b, georgia, palatino, palatino linotype, book antiqua, serif and helveticaneue, helvetica neue, helvetica, arial, sans-serif as fallback options.

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