Curious about the design behind online.fr? SiteFontCheck scanned their live CSS architecture and identified 4 unique font families. The website relies heavily on <inter, system-ui, -apple-system, blinkmacsystemfont, segoe ui, roboto, helvetica, arial, sans-serif> for its main text elements, paired with <inter> and <space grotesk> as fallback options, and 1 additional. Below is the precise map of font sizes, weights, and text elements used across their site.