Additional Filters for browser extension based adblockers like https://github.com/gorhill/uBlock, mainly for Chinese sites, including some obvious trackers which should be found & listed & blocked YEARS ago.
ga.giuem.com is a domain that hold google analysis proxy service, so users in china mainland can be tracked by google analysis. However, many users are not aware of being tracked by this. This explained how this proxy works. This is an example site using this tracker