Getting rid of popup windows for good

Gavin Sharp gavin at
Mon Aug 25 22:48:43 UTC 2014

How do most "pop-behinds" work? I've certainly seen those, and I have
a hard time thinking of valid use cases for that behavior (they have
been 100% annoyance in my experience).
Someone figuring out how to block those would be great - probably
relatively tricky.


On Mon, Aug 25, 2014 at 2:48 PM, Shane Caraveo <scaraveo at> wrote:
> On 2014-08-25 2:29 PM, Gijs Kruitbosch wrote:
>> On 24/08/2014 18:30, Rimas Kudelis wrote:
>>> Hi!
>>> 11 years ago, Bug 212163 (Pop-ups are not blocked on code run from
>>> onclick) was wontfixed.
>>> Even today Firefox defaults to allowing any websites (even those
>>> blacklisted by the user) to open any pop-up windows in response to any
>>> of these events: change click dblclick mouseup reset submit touchend.
>>> Now, I would like Mozilla to review that decision again, because the
>>> situation has changed a lot in these years:
>>> 1. the web has evolved, and legitimate use of real pop-ups seems quite
>>> rare nowadays,
>> Hi,
>> You're using a different web from me, and many other users, clearly. I see
>> very few if any unwanted popups, with my browser often open for multiple
>> days and 0 unexpected windows appearing and/or remaining (pop-unders).
>> I'm sure there are places where you never see "real" popups, but e.g.
>> GMail provides primary UI to open compose/chat windows in their own (popup)
>> windows, and I'm sure there are many similar examples. Then there are all
>> the wifi gateway sites that open "you're logged in" popups, and so on.
> I'll just toss in an extra example, sharing videos on youtube.
> One site that does annoy me is seatguru (iirc), they do a pop-behind on
> their search button click handler.  I see little use in poping up a window
> that is hidden from the user until some time later when you discover it.
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