Do you want to share a URL to the public but this is too lengthy?  CityUHK has an official URL shortener called ShortURL which is available to all staff members.  You may log in with your CityUHK EID directly via the ShortURL website to get started with.  The ShortURL service allows you to create a short URL which is valid for a period of time with statistics such as the number of "Clicks" by users.