<body>, <head>, and <html> are the required tags. All your webpages should also have the <title> in the head. There should only be one of each and the structure should be as in skeletonHTML5.html (Right-click, Save link/target as...).
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title> Test Page </title>
</head>
<body>
</body>
</html>