Alibaba Cloud CDN is a global network of servers designed to deliver high-performance, low-latency content to users around the world. It is a cloud-based service provided by Alibaba Cloud, a subsidiary of the Alibaba Group, that enables businesses to accelerate the delivery of their web content, including images, videos, and static files, to end-users.
Discuz! X is an internet forum software written in PHP and supports MySQL and PostgreSQL databases.
PHP is a general-purpose scripting language used for web development.