Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Mapbox GL JS is a JavaScript library that uses WebGL to render interactive maps from vector tiles and Mapbox styles.
PHP is a general-purpose scripting language used for web development.
Polylang is a WordPress plugin which allows you to create multilingual WordPress site.
Typekit is an online service which offers a subscription library of fonts.
Varnish is a reverse caching proxy.
WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. Features include a plugin architecture and a template system.