Curious about the design behind uiuc.edu? SiteFontCheck scanned their live CSS architecture and identified 4 unique font families. The website relies heavily on <source sans, sans-serif> for its main text elements, paired with <source sans, sans-serif, sans-serif> and <arial> as fallback options, and 1 additional. Below is the precise map of font sizes, weights, and text elements used across their site.