YouTube is the world's second-largest search engine, and optimizing videos follows principles similar to website SEO, with a few particularities. The most important factors are: a keyword-rich title, a detailed description (at least 200 words), relevant tags, a thumbnail that earns the click and transcripts/captions.
Beyond metadata, YouTube prioritizes engagement metrics: watch time, click-through rate (CTR) on the result, audience retention rate and engagement (likes, comments, shares). A video that holds the audience through the first 30 seconds and carries them to the end tends to be promoted by the algorithm.
For Response Marketing, YouTube matters because AIs cite videos as sources. When ChatGPT or Gemini recommends a tutorial or explanation, well-ranked YouTube videos can be referenced. Building a YouTube presence with quality content expands the channels where your brand can be the answer.