This post shows how you can add a YouTube subscribe button to your website and increase your subscription rate.
If you use YouTube for your videos, Adding a YouTube subscription box can help you gain more subscribers.
Though my usage of YouTube is personal for watching online videos, I do use it for my tech blog.
Here is how the live subscription box looks.
Here is the YouTube Subscription code for it.
You have to add your username in place of asiogroup.
You can get logo and icons of Youtube to add on your website to match your website theme.
Here is a great resource for getting YouTube logo and incons for your website.