Web Player Deployment
Unity Manual > Advanced > Web Player DeploymentWhen building a Web Player, Unity automatically generates an HTML file next to the player data file. It contains the default HTML code to load the web player data file using both the Netscape plugin and ActiveX Control.
It is possible to further tweak and customize the generated HTML file to make it fit better with the containing site's design, to add more HTML content, etc. The following pages discuss the related subjects in depth: