I don't know if that's proper, but this question can go to an end cause I found two wonderful datasets. I'd like to publish them under this answer to help people in similar situation like me.
The first is Website Analytics Daily Page Views from Open data DC, it contains daily pageview data from 2008 to 2020.
Second is from City Website Google Analytics, it's ...
This could be a useful resource:
When government data are made accessible and re-usable, they enable individuals, organizations and even governments themselves to innovate and collaborate in new ways.
With these main points
Public Service Improvement
Innovation and Economic Value