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Enable GZIP Compression in ASP.NET Pages

GZIP Compression in ASP.NET Pages

public static bool IsGZipSupported(HttpContext Context)
{
string AcceptEncoding = Context.Request.Headers[“Accept-Encoding”];
if (string.IsNullOrEmpty(AcceptEncoding) == false &&         (AcceptEncoding.Contains(“gzip”) || AcceptEncoding.Contains(“deflate”)))
{
return true;
}
else
{
return false;
}

}

public static void GZipEncodePage(HttpContext Context)
{
if (ConfigurationUtil.IsGzippingHttpResponsesEnabled())
{
HttpResponse Response = Context.Response;

if (IsGZipSupported(Context))
{
string AcceptEncoding = Context.Request.Headers[“Accept-Encoding”];
if (AcceptEncoding.Contains(“deflate”))
{
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”);
}
}

// Allow proxy servers to cache encoded and unencoded versions separately
Response.AppendHeader(“Vary”, “Content-Encoding”);
}
}