Hi Bartlemiej,If you update you H code to the most recent version, the request will always be send (in the H22.1 release this functionality was added). If you would have a longer request, it will be cut after 2K. Therefore you should always make sure that you know which requests are bigger than 2K. ...

There are several methods to check this, I would suggest httpfox or fiddler for one time validation, but newer tag monitoring tools like Qmon for continuous validation of your sitecatalyst implementation.You probably want to use a tool that validates in realtime; crawler or simulation tools are not ...