Buttondown Documentation
Blogger is one of the oldest blogging platforms out there, and while it doesn't offer subscription or newsletter functionality itself it only takes a matter of minutes to hook up Buttondown so that every single Blogger page on your blog ends with a subscription form.
The key here is to use gadgets, which is Blogger's term for arbitrary widgets or pieces of functionality onto your core blog. You'll go through a few easy steps to add Buttondown's subscription forms to your Blogger site.
<form
; copy that to your clipboard and paste it into the Content section in Blogger.Check out the video below for a walkthrough of these steps: