W3C在线验证工具:http://validator.w3.org/
(X)HTML嵌套规则:http://www.cnblogs.com/PeunZhang/archive/2012/03/11/2390526.html
HTML标签语义化对照表:http://www.cnblogs.com/PeunZhang/archive/2012/03/08/2385592.html
HTML4标签的默认样式列表:http://www.cssforest.org/blog/index.php?id=73
CSS简写指南:http://www.qianduan.net/css-font-shorthand-attribute-handbook.html
实用的 CSS3 参考手册和代码生成工具:http://www.iteye.com/news/25360
HTML中常用的实体:http://www.cnblogs.com/PeunZhang/archive/2012/09/18/2690328.html
CSS中常用中文字体的Unicode编码:http://www.cnblogs.com/PeunZhang/archive/2012/06/17/2552602.html