I will give you here a code to list only one post per selected category. You could include this code into your index.php to query for the last posts of the categories you put into this code. The first and

In WordPress on the frontpage you have normally a flow of posts. I want to show you how to put any advertising link or Adsense code between one or more of this posts. We are going to edit the index.php

I see many WordPress user editing their files online with the theme editor. Doing something wrong with this it is hard to step back or restore your original theme files. I never edited any files online but prefer to use