yslow

1. firebug It is used to debug JavaScript and modify HTML and CSS interfaces. Some common network analysis extensions are also based on firebug and are very useful. 2. yslow Yslow is developed by Yahoo. A firebug-based tool for analyzing Web

Many webmasters use virtual hosts for websites. Once there are many web pages, the website will be very slow to open. If we say that we do not have the financial strength to do such hard indicators as servers, bandwidth, and CDN, lu songsong

Excerpt from: http://www.cnblogs.com/chenxizhang/archive/2013/05/20/3088196.htmlOverviewActually want to write this article long-standing, the idea of this series is to refer to the Yahoo team to provide 35 performance optimization best practices

Firebug : Firebug is the most classic Firefox development tool, you can monitor the request headers, response headers, display resources to load waterfall diagram: HttpWatch : HttpWatch function similar to firebug, can monitor

The following is my collation and collection of some of the front-end development commonly used plug-ins, tools, software, etc., is equivalent to the computer to do a small backup, as to the use of methods, I will summarize, the current words or

1. Reduce the number of HTTP requestsmerge pictures, CSS, JS to improve the first access user wait time.  2. Using CDNnear Cache ==> Intelligent routing ==> load balancing ==>WSA Full station dynamic acceleration 3. Avoid empty src and hrefwhen the

At present, there are four kinds of web browser cores from four different organizations in the world. Each organization has at least one browser product that uses its own kernel.The four organizations are Microsoft, Mozilla, Apple and opera SAS,

Yslowyahoo released a Firefox-based plug-in, mainly to improve the performance of the Web page design, the following is it advocated 23 rules, or very good, share:1. Reduce the number of HTTP requestsMerge pictures, CSS, JS to improve the first

This article brings together 20 quality plug-ins for developers, and with the help of these plug-ins, Web developers can create stunning, creative Web pages. Next, let's take a look at these plug-ins. 1. Firebug As the most famous

The following mind map is my general summary of the book's General content:　　ToolsThe tool recommended in this book is mainly about automated testing, but I think that the actual development process in the current use will be relatively small. Here

　　Recently read the "HTML refactoring" this book, the following to make their own summary, we can learn to communicate together.What is refactoring? Refactoring is a process in which code is gradually perfected without changing the behavior of the

It is believed that the Internet has become an indispensable part of people's life. Ajax,flex and so on the application of rich clients makes people more "happy" experience many of the original can only be implemented in C/s functions. Google, for

Article Description: Google Chrome has evolved from a simple browser to a complex browser since its launch, thanks to the very useful and powerful extensions written by browsers. As a developer, we are concerned about the web design and development

I. Summary This article summarizes how to enable gzip compression for Web sites that are hosted by IIS, thereby reducing the network transmission size of your Web page and increasing the speed at which users can display pages. two. Preface. The

http://blog.csdn.net/jerome_s/article/details/47374191 Yahoo has 35 military rule, here are 14.1. Minimize HTTP requests. Optimized HTTP Requests 2. Using a CDN (Content distribution Network)CDN: As far as possible to avoid the internet has the

Meet Performance goalsAlgorithms and data structures are important factors that affect the execution time of an operation. In the distributed system, there is also an important factor is the network delay.Processing delayDevelopers often do not

Original: http://blog.jobbole.com/8027/ Introduction: This article will introduce 20 Web site speed testing tools. Web page performance determines the user experience to a large extent, and ultimately the success of the site can be determined.

JavaScript is now extremely important. Some websites use JavaScript to add charm; many today's Web applications rely on it; some of them are even completely written in JavaScript. In this article, I will point out some important rules to show you

1. First declare the correct document type DOCTYPEThere are typically four document types to choose from:DOCTYPE is defined before HTML to tell the browser that the page contains HTML, XHTML, or both, so that the browser can parse the label

I. Technical Requirements As a basic front-end engineer, you must master HTML, CSS, and JavaScript. The three must be proficient at the same time. Similar to my words, I know the front-end knowledge. When I encounter problems, I will stop working