Argh, I somehow sent this reply to just Patrick instead of the list. Sorry for the duplicate email, Patrick.
On Fri, Jan 16, 2015 at 8:45 AM, Nicholas Hurley <hur...@mozilla.com> wrote: > > > On Thu, Jan 15, 2015 at 9:44 PM, Patrick Cloke <clo...@gmail.com> wrote: > >> I did not think you were randomly guessing, I guess I'm not convinced the >> browser is able to tell what the user has "intentionally" done. >> > > Given that the browser has access to your browsing history (assuming you > aren't running in private browsing mode, in which case this feature is > disabled anyway), it shouldn't be surprising that we know what the user has > intentionally done. Furthermore, we don't just predict willy-nilly. This is > explicitly for the case when you're visiting a site you've visited before. > Say you go to load yahoo.com - based on your previous visits to yahoo.com, > we will start firing off dns requests and/or tcp/tls connections that > you're highly likely to need again on this load of yahoo.com. We won't, > however, start firing off those requests just because you happen to have a > page open with a link to yahoo.com on it. You have to click on one of > those links before any predictions start. > > >> Even if not a large privacy concern, I doubt I'll see a beneficial >> tradeoff from reducing my connection times by 100ms. I'm sure other people >> will find this super beneficial, however. I'll probably give it a try >> before deciding what to do, see if it seems to make a difference. >> > > Like Jonas said, you might be surprised. If you look at the numbers in my > previous email (and the bug linked to in it), you'll see that that 100ms > savings equates to approximately a 10% savings in SpeedIndex (which is a > very good proxy for how fast the page feels for the user). 10% is nothing > to sneeze at! Those SpeedIndex improvements are even more impressive on > mobile, where it starts to reach near a 25% improvement. > > And of course privacy is important - I wouldn't have wanted to work on > this feature if I didn't think it could be done in a privacy-preserving > manner, and I (along with a lot of other people) am confident that I've > done that. So, here's to faster page loads without sacrificing privacy! > _______________________________________________ dev-platform mailing list dev-platform@lists.mozilla.org https://lists.mozilla.org/listinfo/dev-platform
