DDoS-Guard is a Russian Internet infrastructure company which provides DDoS protection, content delivery network services, and web hosting services.
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.
Speedtest Custom is a robust and accurate testing solution that is HTML5-based, Flash-free and supports both mobile and desktop browsers built by Ookla.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Tilda is a web design tool.