Search results

I want to check tens of thousands of links to see if they are indexed on Google or not. Is the best way to achieve it, is to simply code a script to search for site:URL and to see if there are any results, or could it be done in a different way? Also, are there any tools that do this already?

I have a few YouTube accounts with music videos (like popular bands) or movies uploaded to them a few years ago. Some of the music videos and movies still attract new viewers and I have nearly 4000 hours and 1000 subscribers. So my question is, does YouTube care about what kind of videos...