Joomla makes a good option for a blog, a community website or intranet, and for designing an eCommerce platform. It is also multilingual, supporting 75 languages.
Both are built on PHP, but Joomla users (especially developers) have a much more traditional foundation in that Joomla can be used out of the box with straight HTML, CSS, JavaScript, and PHP without having to learn the “WordPress way” of doing things.
The hierarchical structure of an ecommerce website should be no more than 3 levels deep, which means that a single homepage should be at the top of the hierarchy followed by the categories (level 1), subcategories (level 2), and then product pages (level 3).
Yes, Joomla will be still relevant, being ranked 4th most widely deployed CMS platform. However, it is an increasingly competitive market with WordPress dominating the lions' share of the industry.
As for style guides, the Associated Press Style Guide (AP Style) and the Chicago Manual of Style also dictate that the correct spelling is e-commerce. Per the AP Stylebook: “AP uses hyphenated e- for generic terms such as e-commerce and e-strategies. One exception: email (no hyphen, which reflects majority of usage).”
Joomla is a great choice for websites that need frequent updates. The user-friendly interface makes it easy to create, edit, and organize content. User-Friendly Interface: Joomla is also known for its simple and easy-to-use interface.
commerce (electronic commerce) is the buying and selling of goods and services, or the transmitting of funds or data, over an electronic network, primarily the internet.