Dispatcher suppose will cache the page and no need to pull the content from publishing instance anymore. However, if do so, the impression of the page in the publishing instance will not be updated.
Impression will change even if page is accsed through dispatcher. This is because traching request is something like this
Make sure that your tracking is configured correct
It works for me. However, where can I find those impression record in CQ?
I would like to make use of those record to do some function.