Kagi has an option to search the Fediverse. This makes it a lot easier than specifying a site in the search query, which would also limit the results to a specific instance.
Why YSK: This lets you easily replace searches like “some topic reddit” with Lemmy!
They seem to do quite a bit of indexing themselves. A good alternative that’s from Europe would be Qwant, but they don’t have a feature for searching the fediverse. It would be nice if it got added to fedi-search :)
Qwant and Ecosia are building a search index, but I don’t think there is anything that can really compete with Google and Bing at the moment: https://betterweb.qwant.com/en/2024/11/08/ecosia-and-qwant-join-forces-to-develop-european-search-index/
A European indexer would be nice!