The Channel 4 website has had adverts on it for a very long time. As of last week they have introduced a system that will pause an advert if the user clicks away from the Channel 4 advert tab. For instance, while the adverts are playing on the Channel 4 tab and i want to go on youtube while i wait, i can no longer do so as when i click off the tab it will pause the advert.
My questions are:
How does this system work?
How can i introduce it to a website myself?
how can this be altered? (to appear like that tab is open)
ive been thinking about it and it might have something to do with active outgoing ports but i am not sure. Is this a feature that also might only work for some web browser also?
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