Joomla! has a contact component, from which users can contact the site owner. Besides this, adding a guestbook could be a good idea, testimonials of site visitors can be displayed from the guestbook. In the early stages of website development, adding a guestbook was a hot topic. Still, in this age of CMS and social networking, you may like to add a guestbook to your Joomla!-based website. In this recipe, we are going to show how to add a guestbook.
One popular extension for adding a guestbook is Phoca Guestbook. Download the installation package from http://www.phoca.cz/download/category/5-phoca-guestbook-component and install the component from the Extensions | Install/Uninstall screen.