1C-Bitrix is a system of web project management, universal software for the creation, support and successful development of corporate websites and online stores.
Apache is a free and open-source cross-platform web server software.
D3.js is a JavaScript library for producing dynamic, interactive data visualisations in web browsers.
Debian is a Linux software which is a free open-source software.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
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.
OWL Carousel is an enabled jQuery plugin that lets you create responsive carousel sliders.
PHP is a general-purpose scripting language used for web development.
VK is a Russian online social media and social networking service.