Funny enough. Years back I poked around Google Custom search. As a laugh I used it to index and search Quora (which was still a high quality site then). But I c

Funny enough. Years back I poked around Google Custom search. As a laugh I used it to index and search Quora (which was still a high quality site then). But I contemplated setting up a series of specialty search engines (e.g., JavaScript) such that I would feed Custom Search a list of URLs and/or rules for what to index. I never took any further than "what a cool idea".