Emotion is a library designed for writing CSS styles with JavaScript.
Font Awesome is a font and icon toolkit based on CSS and Less.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
Square is a mobile payment company that offers business software, payment hardware products and small business services.
Typekit is an online service which offers a subscription library of fonts.
Vercel is a cloud platform for static frontends and serverless functions.