Curious about the design behind protonvpn.com? SiteFontCheck scanned their live CSS architecture and identified 2 unique font families. The website relies heavily on <protonsans, protonsansfallback, protonscript, ui-sans-serif, system-ui, sans-serif, apple color emoji, segoe ui emoji, segoe ui symbol, noto color emoji> for its main text elements, paired with <protonserif, protonseriffallback, protonscript, ui-serif, georgia, cambria, times new roman, times, serif> as fallback options. Below is the precise map of font sizes, weights, and text elements used across their site.