How many tags should I use on YouTube?

Tags can be up to 120 characters long, so use at least 10 tags. When tagging your YouTube video, think of unique tags that include your keyword phrases. Consider using your brand, city, and relevant topics. Use both plural and singular keywords.

For More Information Please Refer: https://www.seerinteractive.com/blog/tips-for-optimizing-your-youtube-videos/