A subdomain is part of another domain and can be used for reasons including prototyping sites to using two different themes. Here’s all you need to know.

Active but unused subdomains in Microsoft Azure give attackers the opportunity to use them for malicious purposes. Here's how to identify and delete vulnerable subdomains before attackers do.

Google’s John Mueller this week that subdomains and subdirectories are treated the same in Google search.

Subdomains that once served a purpose but later were forgotten by website administrators can be abused by hackers to attack users of sites under the same main domain. Back in October, a Web ...

We are now off the 302 redirects fighting and now onto fighting about how Google handles subdirectories vs subdomains. In short, part of the SEO snippets Google video series, one of the videos ...