In this guide I will explain best practise regarding performance in MySQL, PHP and of course our loved Yii Framework. Since this is a complex topic, I will start with some basics and then expand this guide from time to time. Since this wiki can become big, you may click on View history - there you can see what changes have been made, so you don't miss anything.
To start with you need to download the latest stable release of CKeditor.
Extract the downloaded file and place the ckeditor/ folder in your applications webroot directory. (beside "protected" and "css" and other directories)