An AngularJS development agency can improve an application’s performance by optimizing the code structure and implementing best practices for front-end development. Agencies ensure that the application loads faster by minimizing HTTP requests, lazy-loading components, and optimizing AngularJS directives. Additionally, they may use tools such as Angular Universal for server-side rendering, which can significantly enhance performance. A specialized AngularJS development agency will also focus on reducing the application’s memory footprint, improving load times, and enhancing overall responsiveness, ensuring that users have a smooth and efficient experience.