The W3C web consortium is the official source of web standards. This a great link for information about every aspect of web development. MediaBuilder gives you a variety of web tools. This is the site I used to create the spinning graphic on my home page. HTML goodies is another site with a wide array of information and links to other sites.
Colors are important for any web page.
JDK 1.2 Index of methods. Extremely useful if you are doing any java development. I highly recommend downloading either IE or netscape. Internet Explorer 5.0 Animagic is an easy way to create cool animated gifs. Netscape Communicator 4.6.