super(parameters);
add(new HtmlTag("html"));
add(new OptimizedMobileViewportMetaTag("viewport"));
add(new IeEdgeMetaTag("ie-edge"));
add(new MetaTag("description", Model.of("description"), Model.of("Apache Wicket & Bootstrap Demo")));
add(new MetaTag("author", Model.of("author"), Model.of("Michael Haitz <michael.haitz@agile-coders.de>")));
add(newNavbar("navbar"));
add(newNavigation("navigation"));