我使用了 YSlow Firefox 插件,它返回以下结果:
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使用 gzip 压缩组件的 D 级
应该压缩发送 3 个纯文本组件
* http://localhost:63808/WebSite/BemVindo/
* http://localhost:63808/WebSite/css/Global.css?...
* http://localhost:63808/WebSite/js/Global.js?...
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于是我开始搜索,得到了这段代码:
全球.asax
Private Sub Application_PreRequestHandlerExecute(ByVal sender As Object, ByVal e As EventArgs)
Dim Response As HttpResponse = HttpContext.Current.Response
Dim AcceptEncoding As String = HttpContext.Current.Request.Headers("Accept-Encoding")
If Not String.IsNullOrEmpty(AcceptEncoding) AndAlso AcceptEncoding.Contains("gzip") OrElse AcceptEncoding.Contains("deflate") Then
If AcceptEncoding.Contains("deflate") Then
Response.Filter = New System.IO.Compression.DeflateStream(Response.Filter, System.IO.Compression.CompressionMode.Compress)
Response.AppendHeader("Content-Encoding", "deflate")
Else
Response.Filter = New System.IO.Compression.GZipStream(Response.Filter, System.IO.Compression.CompressionMode.Compress)
Response.AppendHeader("Content-Encoding", "gzip")
End If
End If
Response.AppendHeader("Vary", "Content-Encoding")
End Sub
现在我有:
使用 gzip 压缩组件的 A 级
好吧,哼?问题是:Application_PreRequestHandlerExecute 事件是 gzip/deflate 请求的最佳位置吗?