Yes it can (improve web browsing responsiveness), because the browser cache can become fragmented - defragging defrags the browser cache - browser cache read quicker, bob is your uncle, web browsing goes faster.
I noticed this a couple of years ago, firefox seems to be more prone to effects of a heavily fragmented browser cache than others.
This fact has not escaped diskeeper corporation either who used that claim as a marketing segment a few months ago.
But actually improving your ADSL throughput, no, of course not
Zen 8000 Pro
Edited by Pipexer (Mon 02-Apr-12 16:54:42)