Natural Search Blog


Advice on Subdomains vs. Subdirectories for SEO

Matt Cutts recently revealed that Google is now treating subdomains much more like subdirectories of a domain — in the sense that they wish to limit how many results show up for a given keyword search from a single site. In the past, some search marketers attempted to use keyworded subdomains as a method for improving search referral traffic from search engines — deploying out many keyword subdomains for terms for which they hoped to rank well.

Not long ago, I wrote an article on how some local directory sites were using subdomains in an attempt to achieve good ranking results in search engines. In that article, I concluded that most of these sites were ranking well for other reasons not directly related to the presence of the keyword as a subdomain — I showed some examples of sites which ranked equally well or better in many cases where the keyword was a part of the URI as opposed to the subdomain. So, in Google, subdirectories were already functioning just as well as subdomains for the purposes of keyword rank optimization. (more…)

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