Many Many Many Sub-Domains

Sometimes we come across sites that have lots of subdomains. Some of them are really weird but others are legitimate, i.e. they are banks like HSBC or Internet technology companies like Hubspot or colleges like Lamar University.

We though it might be useful to have these are a filter and report in BuiltWith –

You can access this full report via –


Gary is co-founder of BuiltWith and uses a profile picture from 2006.