У вашего броузера проблема в совместимости с HTML5
This video shows me using basic commands with my German Shepherd such as Come, Stay, Wait, and Down in a more advanced way.
http://www.mydogtrainingspot.com/blog/various-video-training-demonstrations
Once your dog can perform basic commands, you can advance them by adding distance to the command and practicing in environments that are distracting to the dog such as around other dogs and in new places away from your home.