Curious about the design behind expressjs.com? SiteFontCheck scanned their live CSS architecture and identified 2 unique font families. The website relies heavily on <helvetica neue, helvetica, arial, system-ui, -apple-system, blinkmacsystemfont, sans-serif> for its main text elements, paired with <ui-monospace, sfmono-regular, menlo, monaco, consolas, liberation mono, courier new, monospace> as fallback options. Below is the precise map of font sizes, weights, and text elements used across their site.