"the second is the motivation behind those that put stuff on the web and the indication that those that put the stuff on the web exist" Since motivation is involved then can you look up the word "gumption"?? it talks exactly about something that pushes someone to do or perform. (update) if you are considering this other context when motivation inspires someone to do something, and since much of the stuff put on the web is in the form of writing then you can expand on the meaning of the word "Muse" as in

I sing--This verse to Caryl, Muse! is due:
This, ev'n Belinda may vouchsafe to view:
[download]