[woleium]

solr* of that era was a pain to keep running. I'd guess that's what they used?

* https://solr.apache.org/

[selcuka]

No idea, but it looks like a routing issue, it doesn't even hit the search engine. They've probably disabled all dynamic (PHP) code.

Fortunately Google search still works well:

https://www.google.com/search?q=napoleon+site%3Ageorge-orwel...