It's useful if you're developing a static HTML page, loading it from your local filesystem via a file:// URL but want it to pretend like it's at the expected ht

It's useful if you're developing a static HTML page, loading it from your local filesystem via a file:// URL but want it to pretend like it's at the expected http:// http:// URL. Of course, you wouldn't ever publish it like this. I'm unsure if there's any utility to publishing a publicly-visible page using this tag.