Alibaba Cloud Object Storage Service (OSS) is a cloud-based object storage service provided by Alibaba Cloud, which allows users to store and access large amounts of data in the cloud.

Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.

Bootstrap is a free and open-source CSS framework directed at responsive, mobile-first front-end web development. It contains CSS and JavaScript-based design templates for typography, forms, buttons, navigation, and other interface components.

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.

Lightbox is small javascript library used to overlay images on top of the current page.

OWL Carousel is an enabled jQuery plugin that lets you create responsive carousel sliders.

YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.

PHP is a general-purpose scripting language used for web development.