This flexibility happens to have potentially adverse effects on your search engine rankings.
If, for any reason, the search engines reach the same page using different links, they??™d
think you have lots of different pages with identical content on your site and may incorrectly
assume that you have a spam site. In such an extreme case, your site as a whole, or just parts
of it, may be penalized.
Even in the absence of explicit penalization from search engines, having content equity
divided through multiple URLs can reduce search engine rankings by itself.
The solution we recommend to avoid penalization is to properly use the HTTP status
codes to redirect all the pages with identical content to a single, standard URL.
HTTP STATUS CODES
The HTTP status codes are codes that are sent as a response to a web request, together with the requested
content, and they indicate the status of the request. As a web developer, you??™re probably familiar with the 200
status code, which indicates the request was successful, and with the 404 code, which indicates that the
requested resource could not be found.
Among the HTTP status codes, there are a few that specifically address redirection issues. The most
common of these redirection status codes is 301, which indicates that the requested resource has been permanently
moved to a new location, and 302, which indicates that the relocation is only temporary.
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