Ayende @ Rahienhttp://ayende.comAyende @ RahienCopyright (C) Ayende Rahien 2004 - 2021 (c) 202660whut commented on Silverlight and HTTP and Caching, OH MY!There is a new version of Silverlight 4 with some info about improved "HTTP latency": [http://support.microsoft.com/kb/2505882](http://support.microsoft.com/kb/2505882), maybe that fixes this problem? http://ayende.com/4755/silverlight-and-http-and-caching-oh-my#comment5http://ayende.com/4755/silverlight-and-http-and-caching-oh-my#comment5Wed, 16 Feb 2011 09:33:04 GMTGerrit Fölster commented on Silverlight and HTTP and Caching, OH MY!Had the exact same problem, ETag + Expires Header did it. Thanks for summing this up. http://ayende.com/4755/silverlight-and-http-and-caching-oh-my#comment4http://ayende.com/4755/silverlight-and-http-and-caching-oh-my#comment4Tue, 18 Jan 2011 07:24:09 GMTAlex Simkin commented on Silverlight and HTTP and Caching, OH MY!While it is of course a bug, the common practice is to use both ETag and Expires. [stackoverflow.com/.../etag-vs-header-expires](http://stackoverflow.com/questions/499966/etag-vs-header-expires) http://ayende.com/4755/silverlight-and-http-and-caching-oh-my#comment3http://ayende.com/4755/silverlight-and-http-and-caching-oh-my#comment3Mon, 17 Jan 2011 19:20:16 GMTAyende Rahien commented on Silverlight and HTTP and Caching, OH MY!Mat, Did you miss the part where I am explicitly using the client stack? WebRequestCreate.ClientHttp.Create ? http://ayende.com/4755/silverlight-and-http-and-caching-oh-my#comment2http://ayende.com/4755/silverlight-and-http-and-caching-oh-my#comment2Mon, 17 Jan 2011 18:07:13 GMTMat Devsas commented on Silverlight and HTTP and Caching, OH MY!Have you tried the Client Stack: WebRequest.RegisterPrefix("http://", WebRequestCreator.ClientHttp); http://ayende.com/4755/silverlight-and-http-and-caching-oh-my#comment1http://ayende.com/4755/silverlight-and-http-and-caching-oh-my#comment1Mon, 17 Jan 2011 18:04:19 GMT