Single-page applications (SPAs) have evolved from a concept introduced in 2002 to a prominent web development paradigm, characterized by dynamic user interfaces that function without refreshing the page, much like desktop applications. This transformation was propelled by AJAX, which streamlined server requests without page reloads, and the rise of client-side frameworks such as jQuery, Dojo, and Prototype. Notable SPA frameworks emerged to address specific challenges: Backbone.js offered structure to JavaScript applications, AngularJS simplified development for designers with a heavy reliance on HTML, Ember automated repetitive coding tasks, React prioritized speed and dynamic data handling, Vue combined modularity with flexibility, Preact aimed to replicate React's experience with better performance, and Hyperapp focused on minimalistic, fast applications. Each framework is a result of trade-offs and ideological decisions, shaping their unique approaches to building web applications and fostering respective developer communities.