| The 'Viewable with Any Browser' campaign | www.anybrowser.org/campaign | A campaign dedicated to explaining how and why you should build websites which are not tied to specific web browsers. |
|---|---|---|
| The Web Palette | www.visibone.com/colorlab | A helpful web page showing the relationships between the 216 'safe' colours you can use on web pages. |
| W3C's HTML Validator | validator.w3.org | An online tool provided by the W3C which checks web pages conform to the standards, and lists any errors it finds. |
| W3C's Cascading Style Sheet Validator | jigsaw.w3.org/css-validator | An online tool similar to the HTML validator, but this time for validating cascading style sheets. |
| Bobby - website accessibility tester | bobby.watchfire.com/bobby/html/en/index.jsp | An online tool which can test web pages and warn of potential problems which may arise when the page is viewed by someone with special needs. Note that this tool can only check web pages that are live on the internet. |
| W3C - The World Wide Web Consortium | www.w3.org | The definitive site for information about the world wide web. Contains everything from the technical standards to helpful tutorials. |
| Character Entity definitions (how to represent special characters in HTML) | www.w3.org/TR/xhtml1/dtds.html#a_dtd_Latin-1_characters | Many special characters (most of which are not available on your keyboard) need to be specified as entities. For example, ® is specified as ®. This page has the list - albeit in a rather technical format! |
| Cascading Style Sheet tutorial | www.w3.org/MarkUp/Guide/Style | A W3C tutorial on using cascading style sheets by Dave Raggett. |
| Cascading Style Sheet reference | www.htmlhelp.com/reference/css/all-properties.html | A quick reference list of the properties you can control with a cascading stylesheet. |
| W3 Schools | www.w3schools.com | A site full of tutorials and references on html and web development. |
| CSS Zen Garden | www.csszengarden.com | Examples of the astonishing variations possible by just changing the stylesheet. |
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