YSlow alerts you if multiple names must be looked up.
如果必须查询多个名称，YSlow 会发出警告。
Figure 2 shows the results of the YSlow performance analysis.
图2显示了YSlow性能分析的结果。
YSlow is a relatively small but extremely useful Firefox extension.
YSlow是一个相对较小但非常有用的Firefox扩展。
Note: Unlike many other Firefox extensions, YSlow does not start automatically.
注意：与许多其他Firefox扩展不同，YSlow不会自动启动。
If there is a page component that you can improve, YSlow suggests improvements.
如果存在可以改进的页面组件，YSlow会给出改进建议。
YSlow provides detailed information to assist in reducing network transfer times.
YSlow提供的详细信息有助于减少网络传输时间。
YSlow indicates what techniques can be successfully applied to reduce response size.
yslow会提示哪些技术可以有效地减少响应大小。
YSlow evaluates a web page for performance and suggests potential places for improvements.
YSlow评价网页的性能，并建议改善有潜力的地方。
When you launch YSlow, the extension opens in the lower part of the browser, as shown in Figure 4.
当启动YSlow时，该扩展在浏览器的下半部分中打开，如图4所示。
With YSlow, you can also look at the total download size of your page by clicking the Stats button.
还可以通过 YSlow 检查页面的总下载大小（单击Stats按钮）。
Also, to follow along with the segments on Firebug and YSlow, you need the Firefox Web browser installed.
另外，要学习与Firebug和YSlow相关的内容，您需要安装FirefoxWeb浏览器。
YSlow is a small, useful extension that can help you a lot in your efforts to make your pages load more quickly.
YSlow是一个较小的、有用的扩展，可以在提高页面加载速度方面为您提供许多帮助。
After you install these tools, connect to the site that you are developing and click YSlow on the Firefox status bar.
安装这些工具之后，连接正在开发的站点并单击Firefox状态栏中的YSlow。
YSlow analyzes the position of your CSS and script declarations to provide information on how to improve the ordering.
YSlow 会分析CSS和脚本声明的位置，并提出改进次序的建议。
Using Firebug and YSlow, you can thoroughly analyze your Web applications to make educated changes to improve performance.
通过使用Firebug和YSlow，可以彻底地分析Web应用程序并进行合理的修改来提升性能。
YSlow analyzes Web pages and tells you why they're slow, using criteria based on Yahoo's rules for high-performance Web sites.
通过使用基于Yahoo的高性能Web站点规则的标准，YSlow分析Web页面并告诉您页面缓慢的原因。
YSlow analyzes web pages and suggests ways to improve their performance based on a set of rules for high-performance web pages.
YSlow根据高性能web页面的规则分析 web 页面并给出提升页面性能的建议。
YSlow is a Firefox extension that plugs in to the Firebug extension, providing scoring for the loading and execution of a web page.
YSlow是添加到Firebug扩展中的 Firefox 扩展，提供对web页面加载和执行的计分功能。
YSlow shows the size of the page for a first-time visitor (with nothing cached) and for subsequent page visits (when caching can be used).
YSlow会显示首次访问(没有缓存)时的页面大小和后续页面访问(可以使用缓存)时的页面大小。
With a YSlow report, you can analyze the different aspects of the network transfer to understand what can be done to decrease the transfer time.
可以通过YSlow报告分析网络传输的不同方面，了解如何减少传输时间。
YSlow performs an analysis of your application and provides a report on the different parts of the network transfer time of your application, as Figure 1 shows.
YSlow 对应用程序进行分析，并提供关于应用程序网络传输时间的不同部分的报告，见图 1。
YSlow performs an analysis of your application and provides a report on the different parts of the network transfer time of your application, as Figure 1 shows.
YSlow 对应用程序进行分析，并提供关于应用程序网络传输时间的不同部分的报告，见图 1。
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