# Single-Page Application

*noun*

say it: **“SING-gul PAYJ ap-lih-KAY-shun”** **/ˈsɪŋɡəl peɪdʒ ˌæplɪˈkeɪʃən/**

A web app that loads one page once and then changes what is shown with JavaScript, without reloading.

## What is **Single-Page Application**?

**Single-Page Application** — A web app that loads one HTML page once and then changes what's shown with JavaScript, fetching only data from the server. Moving between "pages" doesn't reload the browser, which makes the app feel fast. Angular apps are SPAs.

## In a sentence

- “Our store front is a **single-page application**, so moving between products never reloads the browser.”

Level: Apprentice · [More Web Development terms at this level](https://www.ask-codey.com/glossary?category=web-development&level=2)

Updated: October 28, 2026

Source: https://www.ask-codey.com/glossary/single-page-application