When you think of search engines, you usually think about Google, Microsoft Bing, and Yahoo but YouTube is also one of the largest search engines in the world.
Most people consider YouTube a social media platform. And it is, but it also behaves a lot like a traditional search engine. Visitors enter a query and get a list of videos ranked by relevance.
Optimizing your video content is critical for ranking in search so the audience can find you on YouTube. Fortunately, many of the traditional SEO rules apply to YouTube, too: Find the right keywords to communicate relevance, design a good user experience to drive engagement, and use analytics to find and fix whatever is not working.
Here you can see some Online SEO tools for YouTube.