Without conversion data it's impossible say something meaningful about the effectiveness of the showcased landing pages.
The author gives several reasons why he likes the examples (creating curiosity, layout, using case studies, ...), but without data it's more about personal preferences, current best practices and common sense. No real secrets.
The author gives several reasons why he likes the examples (creating curiosity, layout, using case studies, ...), but without data it's more about personal preferences, current best practices and common sense. No real secrets.