If you want to do something like DDG, proxying some other search engines results, a point of reference could be Ecosia, which publishes financial reports. It lo

If you want to do something like DDG, proxying some other search engines results, a point of reference could be Ecosia, which publishes financial reports. It looks like they operate on somewhere in the range of 12M/year. https://en.m.wikipedia.org/wiki/Ecosia https://en.m.wikipedia.org/wiki/Ecosia https://de.blog.ecosia.org/ecosia-finanzberichte-baumplanzbelege/ https://de.blog.ecosia.org/ecosia-finanzberichte-baumplanzbe... (in German)