Digital marketing or related major: Advertising optimizers need to understand the basic concepts and skills of digital marketing, including SEO (search engine optimization), SEM (search engine marketing), social media advertising, e-mail marketing and so on.

Data analysis: Advertising optimizers need data to evaluate the advertising effect and make improvement plans. Therefore, it is very important to have the ability to analyze and interpret data.

Creative design: Advertising optimizers need the ability of creative design to help them create attractive advertising content and attract consumers.

Communication ability: Advertising optimizer needs to communicate with customers, advertising platforms and internal teams to coordinate advertising strategies and implementation plans.

Technical ability: Advertising optimizers need to be familiar with various digital advertising platforms and tools, such as Facebook advertising, Google AdWords, Google Analytics, etc. Mastering these tools can help them better manage and optimize advertisements.

It should be noted that advertising optimizers usually need to deal with different advertising platforms and tools, so it is very important to have good technical and digital literacy and a deep understanding of digital advertising trends and best practices.