Entering SEO terms/phrases into the Tags field that search engines can read.
Step 1. Click on the VIDEOS header navigation.
Step 2. Click on Settings of the chosen video.
Step 3. Within the Video Details tab you can enter your video SEO tags. Make sure to separate your tags using a comma. For example, "London, Bridge, Falling, Down".
Step 4. Save your changes. Your video's tags will show up on your video site map within 24 hours.