Wiktionary
webspace
n. (context computing Internet English) disk space used to store webpages and other content that can be accessed through the Web.
Usage examples of "webspace".
The fans wear blue face paint and chant something that sounds ominously like the ancient British war cry, Wemberrrly, Wemberrrly, and they're dragging a gigantic virtual tractor totem through the webspace analogue of the arrivals hall.