Webercial 

A commercial or video advertisement specifically for use on the web. It could be posted to a corporate website or distributed via social media channels.

1. I really wish we had a video advertisement on our website.

2. Why don't we make a webercial?

Webercial by Altamont Productions March 5, 2013

webmercial 

a commercial on the web, a commercial online

i have a webmercial, it is pretty cool check it out.

webmercial by osbert bulze April 18, 2010