So you have all of the skills you need to design impressive looking websites. That’s great. But beauty is in the eye of the beholder or in this case the eye of the intended user.
There is much more to successful design than a good looking website. Demographic tastes vary, so it is essential to understand that different personas have different expectations and tailoring your design to a specific group, or groups, will undoubtedly have an impact on the success of a website.
The most common mistake made in web design is designing for the designer. Your tastes and aesthetic are of significant value, but your client is paying you to create a website that satisfies their audience above all.