I'm frequently asked "how much does
@compiler_explorer cost to run". I've done some digging and posted https://xania.org/202506/compiler-explorer-cost-transparency which is a high-level breakdown of the costs (and revenue); and links to a more in depth report if you want all the gory details.
If you have a fediverse account, you can quote this note from your own instance. Search https://hachyderm.io/users/mattgodbolt/statuses/114665982875938130 on your instance and quote it. (Note that quoting is not supported in Mastodon.)