The date is currently 23/11/2023 as I write this and I have been using the Kagi search engine since September 30th 2023, meaning that I have been using the Kagi search engine for almost 2 months now and this is going to be my review of this search engine.
Just a flag, we don't use several engines, all Mojeek is Mojeek, you might be conflating this with Search Choices. AstianGO seems to be inaccessible now, but it wasn't an own-index search engine,