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Compress Aspx with GZip

, 7 May 2009
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A simple function to compress aspx page

Introduction

This is a simple function to compress your aspx page with GZip.

Background

If you need advanced knowledge about compression, please visit this link.

Using the Code

Just call this function in the page render: 

protected override void Render(HtmlTextWriter writer)
{
doCompression();
base.Render(writer); 
}

The method:

public static void doCompression()
{
      HttpContext context = HttpContext.Current;
      HttpRequest request = context.Request;
      string acceptEncoding = request.Headers["Accept-Encoding"];
      HttpResponse response = context.Response;
      if (!string.IsNullOrEmpty(acceptEncoding))
         {
           acceptEncoding = acceptEncoding.ToUpperInvariant();
           response.Filter = new GZipStream(context.Response.Filter, 
                                 CompressionMode.Compress);
           if (acceptEncoding.Contains("GZIP"))
              {
                 response.AppendHeader("Content-encoding", 
                                       "gzip");
              }
           else if (acceptEncoding.Contains("DEFLATE"))
              {
                  response.AppendHeader("Content-encoding", 
                                        "deflate");
              }
         }
           response.Cache.VaryByHeaders["Accept-Encoding"] = true;           
 }

History

  • 7th May, 2009: Initial post

License

This article, along with any associated source code and files, is licensed under The GNU General Public License (GPLv3)

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About the Author

Mohamed Magdy (Medo)
Web Developer
Egypt Egypt
No Biography provided

Comments and Discussions

 
GeneralAnother big bug Pinmemberal13n9-Jan-10 0:14 
GeneralIncorrect Caching PinmemberMember 451353918-May-09 10:15 
General[My vote of 2] There is a big bug in the code Pinmemberkatrash13-May-09 3:29 
GeneralSlower than CompressModule Pinmembercecildt12-May-09 3:25 
QuestionUnzip Pinmemberstixoffire11-May-09 22:20 
AnswerRe: Unzip PinmemberMohamed Magdy (Medo)18-May-09 6:03 
GeneralNeat trick if you can't get access to IIS PinmemberMatware11-May-09 19:49 
GeneralIncomplete!!!! Pinmemberzlezj8-May-09 1:42 
GeneralRe: Incomplete!!!! PinmemberMohamed Magdy (Medo)11-May-09 1:11 

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