It’s commonly called “dub” when brevity is called for, as in “dub dub dub” = www.

Or is this just a tech industry idiom that I’ve been taking for granted…

Though it does make you sound like a boy scout...

Wuh works better, imho, though it does tend to degrade into "wuh'uh'uh" when said quickly.

The BBC tried very hard in 1994/5 to persuade people to pronounce "http://www." as "hit web" - thankfully, that failed to gain any traction whatsoever.

We proposed “dub-three” in accord with a guy who was fighting the Clipper Chip