Jan
29
While creating URL parameters for any tracking programs to measure any referrals you measure; there is only one solid method to prevent duplicate content issues. For many, the issue of placing tracking parameters in the URL string is critical to one process or another, be it external traffic or internal referrals. There’s one solid methodology on this that always works and never creates a duplicate content issue – simply use the hash (#) as your delimiter. Unlike ? or / , usage of the hash (#)Â symbol as a delimiter does not get referenced by the engines as producing different URLs that are indexed by the search engines. Any other symbols/letters/numbers, etc. after the hash (#) symbol in the URL get ignored by the search engines. Thus, a URL like:
example: http://www.metroseo.com/internetmarketing#sdfsdf121w
would be treated the same as the URL
http://www.metroseo.com/internetmarketing#dfger234234
and the URL
http://www.metroseo.com/internetmarketing
without any duplicate indexing issues.
Further reading on duplicate content & URL Cannonicalization:
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