Curious about the design behind socket.io?

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

The website relies heavily on system-ui, -apple-system, segoe ui, roboto, ubuntu, cantarell, noto sans, sans-serif, blinkmacsystemfont, segoe ui, helvetica, arial, sans-serif, apple color emoji, segoe ui emoji, segoe ui symbol for its main text elements, paired with arial and 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.