Persisting state with cookies is ideal when you need server-side access to client data or cross-domain sharing capabilities that localStorage cannot provide. As the creator of CoreUI with extensive React experience since 2014, I’ve used cookie-based persistence for authentication tokens, user preferences, and SSR-compatible state management. The most practical approach combines React hooks with the js-cookie library for reliable cookie manipulation. This method ensures data persistence while providing server-side accessibility for universal applications.