Wow, that's awesome. Great work! For a simple test, I searched "fall of the roman empire". In your search engine, I got wikipedia, followed by academic talks, chapters of books, and long-form blogs. All extremely useful resources. When I search on google, I get wikipedia, followed by a listicle "8 Reasons Why Rome Fell", then the imdb page for a movie by the same name, and then two Amazon book links, which are totall…
I tried some queries for Harry Potter fanfictions, and the results were pretty much completely unrelated. There weren’t that many results, either.
https://search.marginalia.nu/search?query=harry+potter+fanfi...
This seems to return a pretty decent number of sites relating to that (as well as some sites not relating to that).
The search engine isn't always great at knowing what a page is about, unfortunately.
This seemed to return mostly relevant results
https://search.marginalia.nu/search?query=%22harry+potter%22...