I believe at least one French government website uses Matomo, based on the fact that I once used their React snippet to make it work. Matomo is pretty solid. A

I believe at least one French government website uses Matomo, based on the fact that I once used their React snippet to make it work. Matomo is pretty solid. And you can always use it just to ingest the data, then analyze it with something other than the default dashboards.