1C-Bitrix is a system of web project management, universal software for the creation, support and successful development of corporate websites and online stores.
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.
Open Graph is a protocol that is used to integrate any web page into the social graph.
PHP is a general-purpose scripting language used for web development.