I'm running ethicalads on my site (vadosware.io) and it's been pretty great so far (though I suspect revenue is much lower than other alternatives) -- they also

I'm running ethicalads on my site (vadosware.io) and it's been pretty great so far (though I suspect revenue is much lower than other alternatives) -- they also have an open source server which they run an instance of and give you access to: https://github.com/readthedocs/ethical-ad-server https://github.com/readthedocs/ethical-ad-server Stats and lots of information about the advertisements and click rates/etc is available. Been pretty smooth sailing so far, was going to write about it in the future.