When AppFlow is enabled for Web Insight data collection, the NetScaler Insight Center retrieves the performance reports of web applications (load balancing and content switching virtual servers) that are bound to the NetScaler ADC.
To enable data collection on a virtual server for Web Insight
The virtual servers of the specified type populate a table that includes the following information:
The following are examples of some expressions that can be used:
To collect information about HTTP requests where URL contains the word images, specify the expression HTTP.REQ.URL.CONTAINS("images")
For more information on expressions, see Policies and Expressions.