# Client Side Only React > Client-Side Only React refers to an architectural approach where a React application is rendered entirely in the user's web browser. This method relies on the client's device to execute JavaScript and generate the user interface, typically resulting in a Single Page Application (SPA). - URL: https://optimly.ai/brand/client-side-only-react - Slug: client-side-only-react - BAI Score: 5/100 - Archetype: Phantom - Category: Software Development Pattern - Last Analyzed: April 10, 2026 ## Competitors - Astro (Astro Framework) (https://optimly.ai/brand/astro)