Hi I made my site originally not knowing a lot about SEO and I keyword stuffed my internal links.

Now I am not sure if this is hurting me at all but I would like to change them back to more normal links.

I use Joomla and OpenSEF. This means that all my URL's are redirected from a nicer (long)
mysite.com/long-keywords-everywhere/stuff-some-more-in-here/article.html

back to the original Joomla settings which are like this
mysite.com/32/15/index2.php?option=com_sef&act=gg (or something like that).

Now I know when I change the internal structure to leave the URL redirects in place but will this then register with Google as duplicate content as it isn't a 301 redirect?

Thankyou for your help.

I don't think you will have an issue with duplicate content since you are changing the link structure and the content will no longer be on the current links that you have now.

Now, if both the old structure and the new structure was to show the same content, then yes, you would have a duplicate content issue.

its s shame you cant keep them in the nicerly formatted state. Search engines wont like those parameters

Search engines don't like the shortened urls with the various question marks, etc, in them.

Personally I would leave the structure as it is but going forward, maybe just tone the keyword stuffing down a bit. I really don't think that keyword stuffing the urls makes a huge difference anyway.

Sorry I did not write that very well.

I am keeping the SEF URLs just want to shorten them.

I also want to keep my current redirects in place with the long URL names.

Therefore if Googlebot comes to my page and indexes it then the old long names will still be there in the internal links and from external links.

So then if I implement new short names all the menu items, etc will link to the new short names.

That would cause 'duplicate' content wouldn't it?