Joomla is content management software. With the help of Joomla you can build web sites online applications. Joomla's popularity rose due to its uncomplicated and easy way of usage and also due to its features that can be modified and changed. Joomla is easy to obtain and downloaded for free. There are five types of Joomla extensions: Joomla module, Joomla component, Joomla Plugins, Joomla Templates and Joomla Languages.

What is a Joomla component? A Joomla component is a distinct application. The Joomla component consists of its own set of functions. Its database is unique and so is its presentation. Therefore when you install a Joomla component on your web site, you are actually adding an application. Examples of this can be a forum, a newsletter or a photo gallery. They will all act as different applications ? as individual systems. Only a single component will be shown on the main page of your web site. The menu will be a kind of switch between different components.

A Joomla module is completely different from the Joomla component. Modules are extensions that provide some information on your web site. Basically a Joomla module is a way of portraying information that is already present on the web site. This feature adds an additional function to an already existing application or the Joomla component. A Joomla module is not an objective application, it will put forward certain information or it will append a function to an already existing application.

Therefore in concise a Joomla module is a unique section that is arranged within each part of your web site. The Joomla module consists of wide variety of features like menus, advertisements, information, recent blog comments and many more. Each module can be placed at various locations of the web page.

There are numerous advantages of CMS. It is friendly software for managing your web sites. It can also be used to manage your documents and share them with your colleagues. Any information that is regulated by the CMS can be altered, added to or edited by the company's people. With Joomla CMS it is a lot easier to undertake the search engine optimization task. There is a link building Joomla component that has auto link check feature, simple and popular URL components and many other features.

There are many types of Joomla components. Some are used to manage a review site or manage the review portion of your web site. This Joomla component allows users to comment and rate. It also allows ratings on a number of variables. It permits users to submit articles and create custom field sets. Another Joomla component allows creation and management of slideshow photo gallery album.

There are Joomla components that can be used for e-commerce web sites. The key features of these components are that they manage unlimited number of products and categories, orders and customers. They are simple to configure and they are incorporated with various shipping components. The Joomla component provides the option to add shipping carriers and shipping rates. A complete support for various payment gateways is also provided.