Curious about the design behind numpy.org? SiteFontCheck scanned their live CSS architecture and identified 4 unique font families. The website relies heavily on <-apple-system, blinkmacsystemfont, segoe ui, helvetica neue, arial, sans-serif, apple color emoji, segoe ui emoji, segoe ui symbol> for its main text elements, paired with <sfmono-regular, menlo, consolas, monaco, liberation mono, lucida console, monospace> and <arial> as fallback options, and 1 additional. Below is the precise map of font sizes, weights, and text elements used across their site.