How can I customize O365 landing page URL

How can I customize O365 landing page link and make it different from the official url e.g. https://xxx.com/common/oauth2/v2.0/authorize?client_id=4765445b-32c6-49b0-83e6-1d93765276c… to something different like https://xxx.com/ZhMTU1MzE3NmE2ZDVjYjQ.

I see so many O365 links like this but I don’t know how they do it

this link has some params which website js is using in website while loading for doing its work so i think even if u remove this then u might get issue in website functions .