Objects on the page all use the same alignment.
Objects on the page are all in a single vertical line.
Objects on the page are all in a single horizontal line.
Lines are used to separate different parts of the page.
Using the same style on all the pages of a web site.
Objects are easy to read on the web page.
Objects that are related to each other should be separated from each other.
Objects that are related to each other should be close to each other.
So that people know that the material comes from the same source.
To help people remember what they see.
So that people don't get bored.
To make it easier for you to create material.
Text that is the same color as the background
Images that are in good proximity to the text