As you all know, nowadays the competition in every field has reached its peak. Similarly in YouTube nowadays it is really hard to grow faster and efficiently. Here is a secret tip for growing your channel:
By Using Social Media
This would rather be common to you but it is not what you think. Facebook and Twitter are hundred of times active and faster than YouTube. So whenever you upload a video to YouTube, always upload it separately on Facebook and twitter. The reason behind uploading your video to Facebook is that whenever somebody shares your video on YouTube so it just take a form of a small link with a small thumbnail. But when your video is shared on Facebook so it is directly posted on the timeline and then it is shared from there and every body nowadays have lots of friends on Facebook so your channel gets popular and if your content really has something so you can double profit from it through Facebook and YouTube as well because if in case you did not know Facebook also pays for viral videos.