When you want to add an unordered link list to your Blogger blog and you don't know how to write HTML, easiest option is the "Link List" widget is provided by Blogger. But still there are no options in this widget to add a link as a nofollow link or open that link in a new browser tab. When we adding external links such as affiliate links to our websites, we should make them nofollow. This tutorial explains how to add nofollow attribute to the links in a Link List widget and how to make them open in a new window/new tab when someone click on them.
1.Go to "Edit HTML" of your blog.
2.Find your Link List widget code. It usually starts with "<b:widget id='LinkList". It will look like this:
3.Find this line in that code:
4.Replace it with this code:
<li><a expr:href='data:link.target' target='_blank' rel='nofollow'><data:link.name/></a></li>
You can see I have added target='_blank' rel='nofollow' to the original code.
Final code will look like this:
5.Save your template. That's it. Now links of the Link List widget have nofollow attribute and they will open in a new tab.