Le Thi Thu Trang's digital marketing portfolio summarizes her core competencies which include digital strategy and planning, analytics, pay per click advertising, and social media marketing. She provides an example campaign for "Hot Summer Sale" that achieved a 50% revenue lift, 4.21% conversion rate, 43.2% increase in website traffic, and 21.7% return visitors. The portfolio details her 4 years of experience in digital marketing and contact information.