We don’t have much patience when it comes to programs loading to our computers. We want it faster and faster and when it starts lagging we get mad. When it comes to videos loading we don’t give it very much time at all, two seconds is all. According to CNN Tech, Internet users will start leaving online videos if they are not loading properly.

It depends on the video too, if it’s a video someone is really interested in and can’t find it anywhere else, they give it more time, but by the 10 second mark if the video hasn't loaded, goodbye! 

Researchers say the study isn't a big surprise but some techno bloggers thought 2 to 10 seconds was a long time to wait for a video to load. All in all, we want it fast and we want it now, which why efforts are always underway to make videos load faster.

[Source]