The best Joomla extensions for your website depend on your specific needs. Some popular Joomla extensions include: JCE (Joomla Content Editor) - A popular and feature-rich content editor that makes it easy to create and edit content in Joomla. Akeeba Backup - A powerful backup and restoration tool that helps you secure your website data and recover it in case of any data loss. K2 - A content construction kit that enables you to create more complex content structures, such as news portals or blogs, and manage them more efficiently. J2Store - A user-friendly and versatile e-commerce extension that allows you to create and manage your online store directly from your Joomla website. RSForm! - A drag-and-drop form builder that enables you to create and customize forms for your website, such as contact forms, registration forms, and surveys. EasyBlog - A blogging extension that simplifies the process of creating and publishing blog posts and includes a range of features to help you engage your audience. AcyMailing - A newsletter and email marketing extension that enables you to create and send newsletters, manage subscriber lists, and track email campaigns. SH404SEF - An SEO extension that helps you optimize your website for search engines, including features such as URL management, metadata editing, and 404 error page management.