Very good idea. And thanks for finding the document.hidden solution. I put it in, so give it a try.

Best,
Stefan


> I am currently testing the new history system on the mhttpd side and stumbled over the following issue: typically our user open a lot of midas web-page tabs and keep them open. With the current version this leads after a night typically to a state where the browser is busy with itself and not reacting anymore.
> 
> One important reason seems to be that ALL tabs trying to communicate all the time which is totally unnecessary, since I think a hidden tab should stay in a sleeping mode. 
> 
> I was browsing if there is a way to find out if a tab is active or not, and found the following API which exactly does this:
> 
> https://developer.mozilla.org/en-US/docs/Web/API/Page_Visibility_API
> 
> Furthermore, the simple
> 
> document.hidden 
> 
> tag, could be used to find out if the page is currently active.
> 
> Wouldn't it a good idea to send all midas tabs which are not active into a sleep mode and only reactivate them if they come into focus?
> 
> I had a quick look at the JavaScript libs of midas, but I am not quite certain where to best inject this.