Pretty much any part of a website template including design, structure and content can be customized.
We custom design templates (Joomla) and themes (Wordpress) often to an extent where they look little or nothing like their original form.
This includes things like color, font, and layout, as well as the ability to add or remove features. The purpose of website customization is for users to create a custom experience based on their needs and preferences.
Search engine optimization (SEO) plays a vital role in helping clients discover small businesses but website design also impacts your search engine rankings.
The template used for this site originally started life looking like this:-