Angie is a drop-in replacement for the Nginx web server aiming to extend the functionality of the original version.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
HTTP/3 is the third major version of the Hypertext Transfer Protocol used to exchange information on the World Wide Web.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
PHP is a general-purpose scripting language used for web development.
Yandex.Metrica is a free web analytics service that tracks and reports website traffic.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.