[Update] You can build your Joomla website visually with our joomla page builder - Quix and you don't need any 3rd party extension for a slider. See our article How to create a beautiful slider with Quix and start building your website.
When visitors visit to a website, they look for something: they want to take action or get information at a glance. They are always in a hurry to scan a site. A statistics shows, visitors take maximum 8 seconds to take decisions whether stay a long or bounce.
An image expresses a thousand words and that's the reason slideshow came up. Conveying motto of your website to the visitors, and allowing them the answer, why they will hang on for a long while, is pretty challenging in a few seconds. Don’t worry statistics shows a solution. 90% of information transmitted to the brain is visual, and visuals are processed 60,000X faster in the brain than text (Sources: 3M Corporation and Zabisco).
In Joomla you it’s pretty easy to create a slideshow. you'll find so many Joomla Slideshow extensions in Joomla extension directory. For your convenience, we've created a short list of free and premium slideshow extensions.