HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Nuxt is a Vue framework for developing modern web applications.
Open Graph is a protocol that is used to integrate any web page into the social graph.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
Tengine is a web server which is based on the Nginx HTTP server.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.