YouTube is an American online video sharing platform owned by Google. Accessible worldwide, it was launched on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim, three former employees of PayPal.

YouTube Search prioritizes a few main elements to give the best search results, including relevance, engagement, and quality. To estimate relevance, we look into many factors, such as how well the title, tags, description, and video content match a viewer's search query.