That’s its unique identifying number, just as 9,998,383,750,001 would be the number used to identify which person was waiting after Beetlejuice.URL shortening is a technique on the World Wide Web in which a Uniform Resource Locator (URL) may be made substantially shorter and still direct to the required page. Redirect parameters, however, always supercede any other setup. See if you are using Classic Analytics (ga.js) or Universal Analytics (analytics.js).