How to add keyword difficulty to your table in Ahrefs

1. In the top navigation bar, click on "Site Explorer" link
2. Click into the URL search field in the center of the page
3. Type the domain into the URL search field
4. Click the orange search button to perform the search
5. In the left sidebar menu, click on "Organic keywords" under the "Organic search" section
6. Click on the "Columns" button in the toolbar above the keywords table
7. In the columns dropdown menu, click the checkbox for keyword difficulty