1C-Bitrix is a system of web project management, universal software for the creation, support and successful development of corporate websites and online stores.
Google Analytics is a free web analytics service that tracks and reports website traffic.
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.
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.
Tilda is a web design tool.
VK is a Russian online social media and social networking service.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.