Sujet : My Ratchet and Kim Possible Videos

I want to promote my YouTube channel. What services would you advise? What do you say about this service? https://clck.ru/FP6JH

To be honest, I don't really know what to use to promote a Youtube channel. I've just been posting links to my videos on several websites: Discord, Tumblr, Twitter. Believe me, I'm the last person to ask that question. I'm not getting as much attention as I need.