3 ms·

I'm sure the people working in Adtech (primarily google) have already thought of this long ago. It's only stopped by the fact that many websites are just fronte

• Macha 6y ago
  The real obstacle is that solution involves trusting the publisher. The biggest reason ads are so bloated these days is all the companies that advertisers, publishers and ad networks tack in to try catch anyone cheating anyone else (in terms of JS at least, obviously higher res video content also contributes, but at least nominally most ad companies try pick something appropriate for the connection as starting playback quickly is in their interest too)