摘要： 首先来说说什么是ETag？根据百科资料中的说法就是用来标示URL对象是否改变，好处是可以识别一个URL的内容是否改变，用来提高数据的缓存，改善数据的传输。具体的大家就看看百度的说法吧。那么，为什么要删除ETag呢？ 这一点相信很多人都不会理解。其实我也不理解。反正通用YSLOW的分析页面时，这项给扣分了。那我就把这项摆平，提高YSLOW的给分应该不会有错。（这一点看看GOOGLE的ylow给分是100，我就绝对相信分越高越好。）什么是YSLOW？这个老掉牙的问题，请你穿越到2008年看经典上的文章吧。这里我着重说在IIS的解决的办法。这个办法是从月光博客发现的。具体的做法是：理论上说将服务器的 阅读全文

摘要： Database is theasset of most online or internet based company. Everyone looks at how to improve and secure their databases to protect or improve their company. While everyone is searching for remedies or enhancement pills for their company, there are often simple mistakes made by some companies (esp 阅读全文

摘要： Previous article was on 10 Ways To Destroy A SQL Database that sort of teaches you what mistakes many company might make on their database that will eventually lead to a database destroy. In this article, you will get to know 15 ways to optimize your SQL queries. Many ways are common to optimize a q 阅读全文