Now, you can simply add this <b><span class="Apple-style-span" style="color: rgb(0, 102, 0);"><span style="font-family: Courier New;"><link></span></span></b> tag to specify your preferred version:<br> <br><span class="Apple-style-span" style="color: rgb(0, 102, 0);"><span style="font-family: 'Courier New';"><b><link rel="canonical" href="http://www.example.com/product.php?item=swedish-fish" /></b></span></span><br><br>inside the <b><span class="Apple-style-span" style="color: rgb(0, 102, 0);"><span style="font-family: Courier New;"><head></span></span></b> section of the duplicate content URLs:<br><br><span class="Apple-style-span" style="color: rgb(0, 102, 0);"><span style="font-family: Arial;">http://www.example.com/product.php?item=swedish-fish&category=gummy-candy<br>http://www.example.com/product.php?item=swedish-fish&trackingid=1234&sessionid=5678</span></span><br><br>and Google will understand that the duplicates all refer to the canonical URL: <span style="font-family: Arial;"><span class="Apple-style-span" style="color: rgb(0, 102, 0);">http://www.example.com/product.php?item=swedish-fish</span></span>. Additional URL properties, like PageRank and related signals, are transferred as well.
