Curious about the design behind io9.com? SiteFontCheck scanned their live CSS architecture and identified 2 unique font families. The website relies heavily on <space grotesk, space grotesk fallback, sans-serif> for its main text elements, paired with <sofia sans extra condensed, sofia sans fallback, sans-serif> as fallback options. Below is the precise map of font sizes, weights, and text elements used across their site.