Keep in mind that for a large percentage of users their first official act when they reach a new site will be to scan the page for something that matches a simple formula: a box, a button, and the word “Search.” Don’t make it hard for them—stick to the formula.
Don’t make me think
Being an expert in online usability Krug gathered his experience in a wonderful book. This summary of key thoughts will help you to remember most important principles and laws.