Log only essential information or completely disable IIS logging To disable logging follow these steps: 1. Click Start, point to All Programs, click Administrative Tools, and then click Internet Information Services (IIS) Manager. 2. In the Connections pane, click to expand Sites, click to select the Web site for which you would like to disable logging, click to select Features View, and then double-click the Logging feature. 3. Click Disable in the Actions pane to disable logging for this Web site. More information: http://msdn.microsoft.com/en-us/library/ee377050.aspx
Enable IIS HTTP compression To more efficiently use available bandwidth, enable IIS HTTP compression. HTTP compression provides faster transmission time between compression-enabled browsers and IIS, regardless of whether your content is served from local storage or a UNC resource. To configure compression at the Web server level: 1. Click Start, point to All Programs, click Administrative Tools, and then click Internet Information Services (IIS) Manager. 2. In the Connections pane, select the Web server, click to select Features View, and then double-click the Compression feature. 3. Set the desired compression options and then click Apply in the Actions pane.
Useful links for optimazing IIS server: http://forums.iis.net/t/1175525.aspx/1 http://technet.microsoft.com/en-us/library/cc771956(WS.10).aspx http://technet.microsoft.com/en-us/library/cc754957(v=ws.10).aspx http://msdn.microsoft.com/en-us/library/aa720391(v=vs.71).aspx http://technet.microsoft.com/en-us/library/cc733120(v=ws.10).aspx http://technet.microsoft.com/en-us/library/cc732910(v=ws.10).aspx