YouTube is a Google-owned video platform and the world's second-largest search engine, with over 2.7 billion logged-in monthly users and 500 hours of video uploaded every minute as of 2024. For content marketers and course creators, YouTube functions as both a publishing platform and a distribution channel: videos hosted there are indexed by YouTube's recommendation algorithm and by Google Search, providing organic reach potential that self-hosted or Vimeo-hosted video cannot match without paid promotion. YouTube's algorithm prioritizes watch time, thumbnail click-through rate, and viewer satisfaction signals (likes, comments, shares, subscriber additions, and rewatches). For businesses, the key trade-offs of using YouTube are: Google retains all viewer engagement data; you cannot reliably prevent competitor ads from appearing before or during your videos on the free plan; and YouTube's recommendation engine may direct viewers to competitors' content after watching yours.
Glossary entry