You can filter by location and age, sort by most shared or most viewed, and even
compare how videos trend for different audiences. This can help you see what is
catching people's attention and what audience they most resonate with.
I suggest you to check YouTube Keyword Research Tool (also know as YouTube Keyword Suggestions Tool) to get Keywords suitable for your Website. The tool Comes with Powerful Search Capability that helps you to search for particular Keyword and get Suggestions on it. It also lists some Highlighted Keywords Which is being searched frequently.