Using a content management system (CMS) for web application development offers several advantages. It enables easy content creation, editing, and management, allowing non-technical users to update their websites without coding knowledge. CMS also provides standardized templates, themes, and plugins that enhance website design and functionality. Additionally, CMS ensures better site security, scalability, and performance. It simplifies search engine optimization (SEO) by providing built-in tools to optimize content. CMS also facilitates collaboration among multiple users and enables seamless integration with other software solutions. Overall, using a CMS for web application development streamlines the development process, reduces time and costs, and empowers website owners to have more control over their content.