If the domain of the site has an unusually long subdomain (determined by approximation from submitted URLs and checking against top sites), include a flag in the information section. Also add a helper function that returns domain parts, since this is also used in the hasManySubdomains check.
Add unusually long subdomain signal
If the domain of the site has an unusually long subdomain (determined by approximation from submitted URLs and checking against top sites), include a flag in the information section. Also add a helper function that returns domain parts, since this is also used in the hasManySubdomains check.