YouTube Search Trends On Google Trends
Open Google trends, insert some searches and then on the left hand side there is a heading “limit to option and choose YouTube”
After doing that you can see the YouTube search trends.
For Instance, here is the variation in interest on YouTube For [SEO]:
And while SMO videos are most famous then SEO videos on YouTube, recently SMO videos have been more talk about if the term:
Google keyword tool for SEO and publishers drive from Google trends.