Their systems use Nginx as their web server software, which is highly efficient and fast, allowing for quick responses to requests. The company also uses a number of other tools and technologies such as PHP and MySQL, which are used to power the site's functionality and provide its content to visitors. A robust security system is in place to protect against common attacks and vulnerabilities, ensuring that users have a safe and secure experience on the site. Additionally, they have implemented multiple layers of protection through various security measures to ensure their website remains as free from harmful threats as possible.