sh404SEF is a popular component for SEO optimization of your Joomla 3 website. sh404SEF has many add-ons for integration with third-party extensions and is very easy to use.
Since version 1.5, Joomla has a good system for forming SEF links, which provides support for all built-in site components, and is also used by most third-party extensions. Despite this, there are many points where the site URLs can be improved. That is, the main task of sh404sef, since its creation in late 2006, is working with your site's links. For sh404SEF, it is quite easy to develop add-ons for integration into third-party extensions, as a result of which sh404SEF has the ability to work with almost all popular, and not only, Joomla components.
One of the most important advantages of sh404SEF is the ability to work with various web server configurations. It is possible to create links to a site of any structure. sh404SEF also removes duplicate pages that are generated by the Joomla core. It is possible to manage page titles, which is very important from the point of view of SEO optimization. sh404SEF optimizes the work of issuing 404 pages to users.
sh404SEF can detect visitors from mobile devices and redirect them to the mobile version of the site - switch the site template on the fly.