At Golfo Media chicago web design we keep you updated with the lastest web development updates. We have talked about dealing with duplicate content and canonicalization on Joomla 2.5 on a past Joomla tutorial. There are other issues with the new Joomla 3, which I call rogue trail slashes, these are trail slashes that pass through the system and give you duplicate content.
We did a revision on the latest version of Joomla! 3.4 and dealt with the issue on our video tutorial called Duplicate Content on Joomla! 3.4 revised. However some Youtube subscribers were reporting issues with the trail slashes.
So on this video at Golfo Meida Free Joomla Tutorials we intalled a test website and recreated the problem. On this video you will find the Solution to Joomla! 3 Cannonical URL www to non www duplicate content and the trail slashes problems [SOLVED] with only a few tools Nibbler http://nibbler.silktide.com/ to monitor the issue under Server Behavior.
And 2 free plugins:
1. Domain Redirect which deals with the www to non www avoiding you to have to write code on your .htaccess file on your server http://extensions.joomla.org/extensions/site-management/url-redirection/25192
2. JoomSEF (Highly Recommended) to deal with the trail slashes issue using 301 redirects http://extensions.joomla.org/extensions/site-management/sef/1063?qh=YToxOntpOjA7czo3OiJqb29tc2VmIjt9
We hope this video tutorial helps you solve your Joomla! 3 URL Dupliacte Content Issues once and for all. Stay Tuned!