Full AWS Practitioner Certification Question

A global retail company has recently launched its ecommerce website to serve users around the world. The website is hosted on Amazon EC2 instances behind an Elastic Load Balancer (ELB), and the instances are managed by an Auto Scaling group that spans multiple Availability Zones. The company wants to deliver tailored content to customers based on the type of device they are using to browse the website. What combination of actions should a solutions architect take to achieve this goal?