Currently, there are no extensions for Joomla that add a canonical link to your pages. However, you ...
Search Engine Optimization
Joomla Redirect index.php Home Page to Site Root
Joomla allows duplicate content for your home page. For example, if a user enters either ...
How to Add a Canonical URL Link to Joomla Home Page
Joomla creates duplicate content for your home page: http://mysite.com and ...
Joomla Redirect index.php to root
With most Joomla installations, you will find that your home page has duplicate content: ...