Someone mentioned www.citibank.com.sg vs citibank.com.sg in the issue. One of my school's websites: I can't remember what it was and this was before I understo

Someone mentioned www.citibank.com.sg vs citibank.com.sg in the issue. One of my school's websites: I can't remember what it was and this was before I understood what the difference is, but www worked much better than without iirc. This also applies to m.*, so literally any web-app with a mobile version.