1C-Bitrix is a system of web project management, universal software for the creation, support and successful development of corporate websites and online stores.
A Minimalistic Wrapper for IndexedDB.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Internet Information Services (IIS) is an extensible web server software created by Microsoft for use with the Windows NT family.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.
VK is a Russian online social media and social networking service.