Actually there shouldn't be any need. If its just HTML content just change the URL to
file:///Websites/website01/index.html and you should see it.
You'd only need a full web server if you wanted to host it or use php, sql etc.
(Check out MAMP if that what your after)
HTML however, can just be opened in a web browser.
I think the problem is with your index.html file.
Post the contents here and ill tell you what it should be