From:  Valentin Gosu <>
Date:  21 Feb 2014 22:21:42 Hong Kong Time

Re: Internet Connectivity and Work Offline Mode


Hi Valentin,

I'm CC-ing dev-tech-network
>From what I can recall, these issues are known, and currently being worked
on. Bug 939318 might be of interest to you.

On 21 February 2014 00:02, Valentin Tsatskin  wrote:

> Hello all,
> I’m an intern on the Firefox UX team. I’ve been working on ways we could
> improve the user experience for people who are having network related
> issues.
> I noticed that internet connectivity issues are not reported to the user
> and instead are given network related issues. For example, you do not have
> an active WiFi connection, try to access a site, and get a DNS error. This
> leads to us mis-diagnosing the problem to the user.
> I’ve done research into the problem, and turns out we do have the
> capabilities to do connectivity detection, however the feature is disabled
> due to the implementation not behaving how we want. In addition, there were
> cases where users would be stuck in “work offline” mode.
> You’ll find a further analysis of the problem here:
> I welcome any and all feedback to the document. I’m particularily looking
> for people experienced in the networking portions of our code base to see
> if there are any holes in the assumptions I’ve made.
> --
> Valentin Tsatskin
> User Experience Connoisseur in Training @ *Mozilla*
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