The cache Settings section controls whether or not background images are cached, and if so, the directory in which cached images are stored.
缓存设置允许你选择是否使用背景图像缓存，以及选择背景图像缓存目录。
Combining inline images into your (cached) stylesheets is a way to reduce HTTP requests and avoid increasing the size of your pages.
内联图像组合到你(缓存)的样式表是一个方法减少HTTP请求和避免增加您的页面的大小。
However, the images on that page are cached.
不过会缓存该页面上的图像。
This trick can also be immensely effective when you include lots and lots of smaller images from several servers (like gravatars for example) as these are not likely to be cached.
这种方法还适用于你需要从多个服务器取得许多不能被缓存的图片。
Caching content: Most static content such as images, videos, and zip files can be cached.
缓存内容：大多数静态内容都可以缓存，比如图像、视频和zip文件。
When you enable the Edge component (see the following section), contents such as images and JSPs can be cached by the Edge component, which is typically installed on the front-line Web servers.
当启用Edge组件时(参见下面的部分)，Edge组件能够缓存图片和jsp页面之类的内容，它们通常安装在前线的Web服务器上。
In addition, the static resource components such as images, attachments, and CSS files can be cached at the Edge (Web server) level.
此外，可以将静态资源组件如图像、附件和CSS文件缓存在Edge (Web服务器)级。
Combininginline images into your (cached) stylesheets is a way to reduce HTTPrequests and avoid increasing the size of your pages.
结合内置图片到您的(缓存)的样式表是一种以减少HTTP请求，并避免增加您的网页大小。
The images are also cached by the browser, so you may need to empty the cache before you see the 'correct' image for your permissions.
图片同样也被浏览器缓存了下来，因此你可能需要在看到权限对应的'正确'图片之前清除浏览器的缓存。
Note: Images may be cached worldwide for up to 4 hours. If updating an existing image, please keep this in mind.
注：世界各地内的图像缓存时间最长可达4个小时，所以如果需要更新现有图像，请记住这一点。
Note: Images may be cached worldwide for up to 4 hours. If updating an existing image, please keep this in mind.
注：世界各地内的图像缓存时间最长可达4个小时，所以如果需要更新现有图像，请记住这一点。
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