EMZETT.www
In short: Historically the most common subdomain for a domain’s web presence, e.g. www.emzett-digital.com.
In more detail: Technically, www is just a normal subdomain with no special meaning for DNS or HTTP — the convention dates back to the 1990s, when web, mail, and FTP often ran on separate subdomains of the same domain. Many modern sites now do without it and redirect www. and the bare domain to each other.
In Depth
In the early stages of the internet’s development, the various services under a domain were often deliberately spread across separate subdomains, because they actually ran on different, specialised servers: ftp.example.com for file downloads, mail.example.com for email, www.example.com for the actual web server. The www. prefix established itself as the convention for “this is the website” and became so deeply ingrained that it’s still often typed or expected automatically today, even though it’s purely technically unnecessary — nowadays practically everything runs on the same or at least logically related servers.
Two common approaches to handling www. today:
- Naked domain first:
emzett-digital.comis the canonical address,www.emzett-digital.comredirects there via CNAME or a redirect. - www first: the reverse —
www.emzett-digital.comis canonical, the bare domain redirects there — historically more popular, partly because a root domain (without a subdomain) isn’t allowed to have a CNAME under the DNS standard and is therefore technically more cumbersome to configure than a subdomain.
What matters most is that one of the two variants is consistently established as the canonical address and the other redirects cleanly there — otherwise search engines treat both as separate, competing pages, which hurts search ranking.