Question

I m working on improving the page performance of my company s intranet page. We re looking to (dynamically) combine our javascript files as well as cache them for 30+ days. The page launches on login for everyone.

我的一位同事问,如果我们把联合材料档案整理起来一个月,它是否值得时间。他犹豫不决,因为合并工具是服务器的一方,而且拖在我们的台上,需要稍加 ha的工作。

我曾做过一些研究,所看到的关于业绩的“我”的大多数建议是针对外部地点提出的。由于我们重新陷入封闭的状态,如果每个人的藏匿点一成不变,我们就似乎不会从合并档案中受益。将这些档案合并起来会告诉我们,侵略性敲打会失败吗?

如果出现这种变化,我们就重新讨论第8号国际文件。

Answer 1

印有多份 Java本文件的最显著影响是提供该网页所需的时间。每一笔记本都分别处理,并为整个立案程序增加时间。

可在以下网址找到一个很好的答案:multiple versus onescript tags。

If we are talking a large number of scripts then you may see an improvement in render time; if it is just two or three files then it likely won t bring abount a noticable difference once the files have been cached.

我建议对这页进行测试,使这两页都能够有时间,看看你对你的情况有何改进,并根据这一信息做出决定。

As a useful example, here are some stats from Xpedite (runtime minification tool I created a while back); note the difference in time from load to ready for combined vs uncombined scripts.

Answer 2

Combine all your JavaScript files into a single big file (thus minimizing the number of requests made to the server), and set its name to something like "application_234234.js"; the number represents the last time you have changed the file and will help the browser know it s a new file (thus no cache when you change it).
Add an Expires or a Cache-Control Header (set it really far into the future). Since the file name will change each time you ll modify it, you don t have to worry.
Last and not least, compress and gzip the JavaScript file.

这些是一些重要的建议,但更多地了解以下方面的最佳做法:。

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