Log into your Blogger / Blogspot blog.
- 1 Go to the layout area.
- 2
Click one of the “Add a Gadget” links at the bottom or to the right of your blog layout area (as indicated in the picture). (Note from the screenshot that we are in the “Page Elements” tab of the “Layout” area.)
- 3
- 4
- Scroll down through the list of Basic gadgets to find the HTML/Javascript gadget as shown in the picture below. Click the text (that says HTML/JavaScript) to add the gadget to your blog.
- 5
Click "Save" and that's it!