Watch the animation play, it might be a little shaky, that is ok. It won't show that way on YouTube.
Click Stop
Click Next
Click Export Video to File
Give it a filename. I named it HareRideAnimals.webm. I must have the extension .webm
This saves the video as a file onyour computer in your Alice 3 folder under Videos
Click done on Alice
Now upload video and embed on your webpage.
Now go to YouTube, Create an account if you do not have one.
Upload your video to YouTube
Click on the camera icon with the + to upload a video
When your video is finished uploading, click publish.
click on the embed tab and cut and paste that into your web page (that is your index.html file)
and the video will be embedded on your webpage, like the video below.