Before you start writing content, consider your purpose in doing so. Are you trying to:
Have you chosen an effective and efficient way to achieve your purpose?
Now that you understand your purpose, consider your audience. You may not need to share every detail you know about the topic.
The more readable, concise and targeted the information you provide, the more likely it is to be seen as a trusted and valuable resource.
If different groups with different needs will read your content, break it up into different sections. Each section should address the needs of a particular group.
Think about the following:
Exercise Three: Website Comparison