The first step seems to be very simple and obvious. After all everybody wants to put the important information on their site, but it is not as easy as it sounds. People find it difficult to differentiate between important and unimportant information and thus ultimately end up creating a big mess on their page. It is a very common mistake and anybody could do it. It is very hard to segregate everything under the tags of important or unimportant. To keep your website design simple you need to identify the theme of your page just like a piece of art. It implies to just focus on essentials.
Identify the 20% content of your page that provides 80% of all the crucial data which attracts the customer. This 20% could be anything like a copy of some social proof like review snippets, media badges, testimonials, or a sign up form or call-to-action button. Make it a point on displaying only such 20% on your site and on individual pages, these are the elements having 80% of usefulness.
This is not a technical rule, but you can have it as a general guideline to keep a simple design for your site. This rule will help you trim the unwanted data on your site and thus greatly simplify your design. As an additional boon, it also increases your desired results from your website. You may notice a better visitor subscription conversion rate, signing up or buying from your site. This is because you have reduced the distractions from your page and provide customers what they were looking for.
We are all very familiar with the way people find an excuse for not buying a thing at the final step and your site should give them minimum reasons to find such an excuse and click away options by using the 80-20 rule.