How to Install the WordPress RSS Widget
The WordPress RSS widget lets you display content from another blog in your sidebar. If you wanted to display a list of recent posts from another blog that you have somewhere else, for example, you would use the RSS widget to accomplish this task.
Follow these steps to add the RSS widget to your blog:
Add the RSS widget to your selected Widget Area on the Widgets page.
Click the drop-down arrow to the right of the RSS widget’s name.
A box drops down, displaying the different options you can configure for the RSS widget.
In the Enter the RSS URL Here text box, type the RSS URL of the blog you want to add.
Type the title of the RSS widget.
This title is what appears in your blog above the links from this blog.
Select the number of items to display.
The drop-down menu here gives you a choice of 1–20. Choose the number of items from the RSS feed that you would like to display on your site.
(Optional) Select the Display the Item Content check box.
Selecting this check box tells WordPress that you also want to display the content of the feed (usually, the content of the blog post from the feed URL). If you want to display only the title, leave the check box unselected.
(Optional) Select the Display Item Author, If Available check box.
Select this option if you want to display the author’s name along with the item’s title.
(Optional) Select the Display Item Date check box.
Select this option if you want to display the date the item was published, along with the item title.
Click the Save Changes button.
WordPress saves all the options you just set and reloads the Widgets page with your RSS widget intact.
The figure shows a WordPress.com blog displaying the content from a personal blog in the sidebar.