当用户导航到主屏幕时，我的应用加载时间非常慢。此外，当我的学生尝试使用来自学区计算机的应用程序时，由于其严格的防火墙，他们经常会遇到ERR_CONNECTION_RESET错误屏幕。我怀疑这些问题的一个主要原因是每个页面的头部加载了太多的javascript和jquery库。
几个月前，当我第一次开始在我的应用程序中实现jquery和javascript时，我模糊地回忆起我应该选择性地在application.js中只包含必要的jquery功能。现在我不再记得我需要查阅这个概念的词汇。下面，我将包含由我的应用程序编译的html文件。如您所见，有大约130行脚本被加载。这可能是正常的，可以吗？
以下是Chrome浏览器页面检查器中的html文件。
<html>
<head>
<title>Miss Kohler | Mr. Z School </title>
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</head>
这是我的application.js
//= require jquery
//= require jquery.turbolinks
//= require jquery-ui
//= require jquery_ujs
//= require bootstrap
//= require jquery.purr
//= require best_in_place
//= require turbolinks
//= require_tree .
提前感谢您的任何见解。
答案 0 :(得分：1)
答案 1 :(得分：1)
您最有可能看到所有这些单独的脚本，因为您正在开发模式下运行服务器。根据{{3}}，
在开发模式下，资产按照清单文件中指定的顺序作为单独的文件提供。
当你在本地主机上运行服务器供自己使用时，这种方法很好 - 但如果你有很多用户试图连接并请求所有这些服务器，那就不好了个别档案。
对于面向公众的网站，您需要确保自己在生产模式下运行，而不是开发。在生产模式下，您的javascripts和样式表应该预编译为单个javascript文件和单个css文件。您可以通过运行以下命令来预编译资产：
RAILS_ENV=production bin/rails assets:precompile
然后，如果您以生产模式启动服务器，则不应在<head>中看到大量单独资产。
RAILS_ENV=production rails server