Should We Use Subdomains for SEO?

For better search engine rankings, we need to adopt different policies which can help us to get our sites listed on the SERP (search engine result pages). SEO Theory contributor Michael Martinez has published an article highlighting the pros and cons of using subdomains for SEO. He says, “Subdomains are older than the World Wide Web. RFC 1034, adopted in November 1987, defined subdomains this way: “A domain is a subdomain of another domain if it is contained within that domain.” Seems simple enough. And yet generations of Internet pontification have disagreed on whether “www.[whatever]”... [...]