To improve YouTube video SEO, follow these tips:

1.  Optimize video titles by using keywords early and being descriptive and engaging.

2.  Create an engaging and keyword-rich description with primary keywords, context, timestamps, and links.

3.  Use relevant tags that reflect the main topic, mix broad and specific tags, and use brand tags.

4.  Optimize thumbnail images with high-quality images, sparing text, and consistent branding.

5.  Encourage engagement by asking viewers to subscribe, like, and comment, and using a Call-to-Action (CTA).

Incorporating these SEO tips in combination can improve your video's chances of ranking higher, gaining more views, and increasing overall engagement.