You can usually see the source of traffic if you are the repo owner: https://github.com/blog/1672-introducing-github-traffic-analytics https://github.com/blog/

You can usually see the source of traffic if you are the repo owner: https://github.com/blog/1672-introducing-github-traffic-analytics https://github.com/blog/1672-introducing-github-traffic-anal... I don't know for certain, but I suspect that a URL parameter will show in "Popular content" as a dedicated entry. If so, nice hack.