HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Jetpack is a popular WordPress plugin created by Automattic, the people behind WordPress.com.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
PHP is a general-purpose scripting language used for web development.
Polylang is a WordPress plugin which allows you to create multilingual WordPress site.
Twenty Twenty is the default WordPress theme for 2020.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.
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.