yslow

Like Yahoo's YSlow, Google's Open source Web site Optimization Tool page Speed is a firebug based Firefox plug-in, and, like YSlow, page Speed can help users improve the performance of their web site. After running it, you can see a list of

Shunz, Source: http://shunz.net/2008/06/mysql_discuz_.htmlRecently, to help a friend to optimize a 200,000 theme, 1 million posts, 30,000 members, the average number of 2000 people online discuz! forum, using LINUX2.6+APACHE2+MOD_PHP5+MYSQL5, the

First we open the Developer tool, you can right-click on the page and select the review element or find it in the Chrome tool or you'll remember the shortcut directly: Ctrl+shift+i (or ctrl+shift+j directly open the console), or press F12 directly.

The performance of the front end is important for a Web application, and if a Web application's page loads very quickly and responds to the user's actions in a timely manner, the product's user experience will be greatly improved. Shows how the page

One of the most important of the best practices in Web performance optimization is to reduce HTTP requests, which is also the largest rule in YSlow. The main scenarios for reducing HTTP requests include merging JavaScript and CSS files, CSS sprites,

In my experience, most of the technology, familiar with the following four types of books can be. Introduction, in plain language and way to tell the right truth and method, such as head first series Comprehensive, exhaustive to explore

Today, I have optimized the loading speed of a designer interface in my own project, because the page feels a bit slow when it loads. First of all, I used Firefox YSlow and Chrome pagespeed test, the results are as follows, the score is a bit

ParrySource: http://www.cnblogs.com/parry/A. Strongly typed data ControlWhen we bind a data control before a strongly typed data control appears, the foreground generally uses the form of Eval or DataBinder.Eval (Container.DataItem, "FieldName").1 2

0. Organizational StructureAccording to the introduction, the author divides the book into four parts:First, the best way to load JS page (pre-development preparation)Second, improve the JS code programming skills (in development)Iii. Build and

Many stationmaster uses the virtual host to make the website, the webpage content once many, the website opens the speed to be particularly slow, if said server, the bandwidth, the CDN this kind of tough we did not have the economic strength to do,

Yahoo gives 34 ways to accelerate the siteYahoo gives a detailed description of the 34 rules that optimize the loading speed of the website (including the YSlow rule 22), and download the translation of the forwarded ponytail (from the Palanga image)

Transfer from http://blog.csdn.net/moshengtan/article/details/89900521 Web Load Balancing 1.1-Implementation with commercial hardware The most frequently used F5 with Citrix NetScaler. For example, 12306 front-end Web seems to be using F5

1. Debugger; As I've said before, you can add a sentence to the JavaScript code debugger; to create a breakpoint effect manually.Do you want a breakpoint with a condition? You just need to if surround it with statements: Copy Code code as

Locate the following two lines in the Apache configuration file, and then remove the comment # and reboot. LoadModule deflate_module modules/mod_deflate.so LoadModule expires_module modules/mod_expires.so In the directory of your site, create a new.

"Original address: http://www.cnblogs.com/QLeelulu/archive/2011/08/28/2156402.html" Before Google Chrome came out, I always use Firefox, because Firefox plug-ins are very rich, but also because Firefox has a strong firebug, for front-end development

1. Reduce HTTP Requests 2. Use CDN (Content distribution Network)In the nearest place, put a smooth copy server with good performance links, allowing you to get content at the nearest distance, the fastest speed.3. Add Expire/cache-control Header 4.

The last article on how to use LoadRunner monitor Linux performance indicators, but the CPU on a few indicators are not clear, the following detailed said. CPU Utilization good understanding, that is, CPU utilization, more than 75% is higher (also

Primary reading:"JavaScript advanced Programming": A very complete classic introductory book, known as the JavaScript Bible, detailed in detail, the latest version of the third edition has been released, the proposed purchase."JavaScript King return,

I'll point out some important rules in this article about how you can use your JavaScript, what tools you use, and what benefits you'll get from it. Make sure your code is as concise as possible Don't rely on javascript for everything. Do not

Original:CSS sprites:useful technique, or potential nuisance? CSS Sprites: Shark's fin or Sanlu? The ubiquitous CSS sptites-one of the few that can skip the "popular" process directly and quickly and securely among several of the best CSS