YouTube videos in full-screen mode block Firefox

[Paul Smith]

On Thu, Oct 8, 2015 at 7:13 PM, Joe Zeff <joe at zeff.us> wrote:
>>
>> Thanks, Doug. It gets full-screen immediately, but with the image and
>> sound both frozen for one minute or so. Also Firefox freezes for the
>> same time.
>
> Does the window go dark?  If so, that indicates that Firefox is very, very
> busy; if not, either you don't have things set for that or it's something
> else causing this.

Thanks, Joe. You pointed to the right direction: too many open tabs
(hundreds, I mean) were causing the issue.

Paul