Also, you can use dynamic variables. http://microsite.omniture.com/t2/help/en_US/reference/#Dynamic_VariablesHere are some other tips to reduce the length of image request. http://helpx.adobe.com/analytics/kb/shortening-image-request-urls.htmlJ

You can use dynamic variables to capture user agent into an s.prop/eVare.g. s.eVar1=s.prop1="D=User-Agent"You might need to extract this data through datawarehouse if there are more than 1,000,000 unique user agents per month.Alternatively, you can use processing rules to capture only selected user ...