How to add a Email Subscription widget
This is probably the easiest way to add a button to your Blogger blog.
- Once you are logged into Blogger and have created a blog, find the Layout button.

- In the layout, look for the sidebar that would appear on the right side of the screen.

- Scroll down to the Follow by Email gadget and click on the + to add it to your blog.

- There should be no changes necessary here so just click Save to finalize it.

- Click on View Blog to see what it looks like on the published page.

- The finished subscription button should look like this...

- Test it by signing up to the Blog with your personal email.
- It is important to remember that this particular RSS feed is set to deliver to subscribers once per day at a certain time. We can also look at changing these settings.