Nowadays in the world of WordPress, blogger and quick free websites many people who have not studied web design are making their own websites. The most common mistake is not deciding a purpose before starting. It is best to establish a purpose first and all things on the website should be governed by that goal.
All websites should have a name in text (not in a picture, search engines don't read pictures)
Directly under the website name should be the tag line. A good example might be
World's Best Widgets
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