如果不是，那可能是浏览器缓存了映像规范。
If not, it is possible that the image specification is cached in your browser.
如何清除浏览器缓存时检查用户会话吗？
有几个影响浏览器缓存的规则，这个小节将分别讨论它们。
There are several rules that impact the browser cache. In this section, we'll discuss them individually.
浏览器缓存—浏览器会缓存DNS记录一段时间。
Browser cache - The browser caches DNS records for some time.
程序缓存——在本地浏览器缓存里存储对象(包含校验)。
ApplicationCache - for storing objects in the local browser cache (and checking them).
所有16项操作都被一次运行，以填充服务器和浏览器缓存。
Then all 16 operations were run once to populate the server and browser caches.
如Tenni Theurer博客文章中所述浏览器缓存使用-揭露！
As described in Tenni Theurer's blog post Browser Cache Usage - Exposed!
高优先级：启用Keep - Alive(常连接)，利用浏览器缓存。
High Priority: Enable Keep-Alive and leverage browser caching.
如果可以跨页面重用这些CSS文件将更不错，因为可以从浏览器缓存获益。
It's even better if you can reuse these CSS files across pages, again so you can benefit from browser caching.
如果它不出现，您可能需要清除您的浏览器缓存和然后重新载入。
If it doesn't appear, you may need to clear your browsers cache and then reload.
如果未在浏览器缓存中找到匹配的有效响应，将把请求发送到网络上。
If no matching valid response can be found in the browser cache, the request is sent to the network.
这是一种好的调试技巧，可以确保问题不是由于浏览器缓存中陈旧的数据造成的。
This is a good debugging technique to make sure a problem isn't resulting from stale data in the browser cache.
因此，页面可以在可能的最长时间内在反向代理和浏览器缓存中进行缓存。
As a result, the page can be cached in reverse proxies and browser caches with the maximum time possible.
另外，由于浏览器的行为基本相同，这个属性是处理跨浏览器缓存问题的最有效的方法。
Additionally, because browsers' behaviors are basically the same, this property is the most efficient way to handle the cross-browser cache issue.
HTTP压缩和Web浏览器缓存是两种用来提高访问Web页面时的响应速度的技术。
HTTP compression and Web browser caching are two techniques used to speed the response time when accessing Web pages.
另外，传统上还认为永远不能使用可能的代理服务器或浏览器缓存形式的现有缓存基础设施。
It is also assumed that a possibly existing caching infrastructure in the form of proxy servers or browser caches could never be leveraged.
注意：指示板服务可以必须停止且重新启动，更改才能生效，而且可能也需要清理浏览器缓存。
Note: The dashboard service might have to be stopped and started for the changes to take affect and/or the browser cache might have to be cleared as well.
这是因为static使得浏览器缓存了滤镜渲染效果图，使用了更多的资源，因此性能也更好。
This is because the static value makes the browser cache the filter rendering as a raster, resulting in a better allocation of resources, and thus better performance.
为了便于参考，清单3给出对静态文件的HTTP请求和对浏览器缓存的静态文件的HTTP响应。
For your reference, Listing 3 is a HTTP request for a static file and the HTTP response for a browser-cached static file.
浏览器缓存也可以通过配置或增强，从而达到防止“已安装的WebApps ”被误删除的效果。
And the browser cache can certainly be tuned or enhanced to prevent "installed web apps" from being prematurely removed.
虽然存在许多有关这方面的问题和解决方案，但是在这种情况下您至少有一件事情要去做 —浏览器缓存。
There are lots of issues and solutions around this, but in this case you have at least one thing going for you—the browser cache.
HTTP压缩减少返回给浏览器的HTML内容量，而Web浏览器缓存减少把文件下载到浏览器的次数。
HTTP compression reduces the size of HTML content returned to the browser, and Web browser caching reduces the number of times a file is downloaded to the browser.
这种方法支持使用浏览器缓存进行缓存，并且在随后的会话中，也不需要再使用网络事务获取这些代码部分。
This approach supports caching within the browser cache and avoids the need to incur even a network transaction to retrieve these pieces during subsequent sessions.
如果可以在浏览器缓存中找到有效的响应，浏览器将不向网络发送请求，而直接将此内容向最终用户显示。
If a valid response can be found in the browser cache, the browser displays the content to the end user without sending a request to the network.
设计了地图切片的窗口缓存、浏览器缓存和服务器缓存，通过缩短访问路径和减少访问次数，来提高系统性能。
Meanwhile, it delivered a new designing of map window cache, browser cache and server-side cache to improve system performance by shortening access path and decreasing access times.
下载到浏览器的字节数越少或从浏览器缓存加载的字节数越少，应用程序的性能就越高，应用程序消耗的带宽越少。
The lower the byte count downloaded to the browser or loaded from the browser's cache, the better the application's performance, and the less bandwidth the application will consume.
将作用域设置为私有的页面存储在浏览器缓存中能达到对缓存的最佳内存利用，同时其位置也尽可能地接近最终用户。
Storing privately scoped pages in a browser cache is optimal with regard to memory utilization in the cache, as well as in its location as close as possible to the end user.
用户可以使用多种方式保持一个静态网页处于联机状态：使用浏览器缓存、使用一个本地缓存代理或者将Web内容下载到磁盘。
A user can have a static Web page online several ways: from using the browser cache, to having a local caching proxy, to just downloading the Web content to disk.
full模式所使用的带宽量(特别是浏览器缓存为空的情况下)对于带宽比较有限的移动设备来说，无法得到理想的使用体验。
The amount of bandwidth consumed by full mode, particularly when the browser cache is empty, makes it a less-than-ideal experience on mobile devices where the bandwidth might be constrained.
full模式所使用的带宽量(特别是浏览器缓存为空的情况下)对于带宽比较有限的移动设备来说，无法得到理想的使用体验。
The amount of bandwidth consumed by full mode, particularly when the browser cache is empty, makes it a less-than-ideal experience on mobile devices where the bandwidth might be constrained.
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