When placing a back-link in YouTube, search YouTube using a relevant keyword pertaining to your website.
A relevant topic on my website is banner ads so I searched YouTube using the keyword “banner ads”.
I selected a video that had banner ads in the title and added my comment in the comment section.
At the end of my comment I added my website URL. You can see it in the photo below.
This is a terrific SEO method for your website and you can get many visitors to your site when they view the same video.
I did this in under 2 minutes so it’s not time consuming and it’s very easy and an effective backlinking strategy.