4SEO is a popular Joomla extension for search engine optimization of a website. The component automatically performs SEO optimization. Everything is customizable with a simple user interface. Features of the component. Automatically create a sitemap and detect content, add PhocaGallery and IgniteGallery images to a sitemap, configure and manage basic page metadata, submit a Sitemap to search engines, detect broken links, set up redirects, crawl a site in the background, check Real Core Web Vitals, support Rich Snippets and more.