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I love Joomla. I don't know why but I decided to make this blog using Movable Type instead of Joomla but that doesn't matter.
When it comes to search engine optimization, search engines will crawl your site. A search engine loves content and the more there is on a site the better it is. Especially if its well written relevant content.
The Problem
A problem with Joomla is that its default "print" and "PDF" functions for each article causes duplicate content on Joomla sites. This duplicate content at first is good! Lots of content to crawl on your site and all of it would probably get index.
On the downside, search engines will eventually figure out that there is all this duplicate content all over the place and will penalise your site accordingly.
The Solution
Well, to get around the problem of this duplicate content, there are a few things that can be done.
Firstly, you can disable the PDF and print functions on the site. This will immediately get rid of all the duplicate content on the site. If all of those PDF and print pages have been index by the search engines and is bringing in traffic for you then you'd probably want to throw in a 404 error page and some redirection to safely redirect all of your traffic.
The second solution is that you could add a nofollow rel tag to the PDF and printing links on the site.
To add the tags to the Joomla code you'll need to do as follows.
- Open the file
/component/com_content/content.html.php
- Search for the fucntion called
function "PdfIcon", this is the function that prints out the code for the PDF content.
- Now look for this line of code:
','win2',''); return false;">
- Now just add in the rel tag
rel="nofollow" href="/" target="_blank" onclick="window.open('/','win2',''); return false;" title="">
- Save the file and upload.
Now you can repeat this process cos the print function and then you should have a slightly better optimized page of content.
References
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