# Single-Page Applications Can Become Performance Bottlenecks Through Multiple HTTP Round-Trips

DevFeed: [Single-Page Applications Can Become Performance Bottlenecks Through Multiple HTTP Round-Trips](<https://devfeed.tech/articles/spas-are-a-performance-dead-end-35602.md>)

Original publisher: [Read original article](<https://www.yegor256.com/2026/01/25/spa-vs-performance.html>)

Author: Yegor Bugayenko (yegor256@gmail.com)

Published: 2026-01-24T21:00:00Z

Content type: opinion

Language: en

Sources: [Yegor Bugayenko](<https://devfeed.tech/sources/yegor-bugayenko.md>)

Topics: [Single-page application (SPA)](<https://devfeed.tech/topics/spa.md>), [web applications](<https://devfeed.tech/topics/web-applications.md>), [HTTP](<https://devfeed.tech/topics/http.md>), [JavaScript](<https://devfeed.tech/topics/javascript.md>), [Web Development](<https://devfeed.tech/topics/web-development.md>), [Document Object Model (DOM)](<https://devfeed.tech/topics/dom.md>), [Angular](<https://devfeed.tech/topics/angular.md>), [React](<https://devfeed.tech/topics/react.md>), [Vue.js](<https://devfeed.tech/topics/vue.md>)

Tags: [ajax](<https://devfeed.tech/tags/ajax.md>), [applications](<https://devfeed.tech/tags/applications.md>), [browsers](<https://devfeed.tech/tags/browsers.md>), [frontend](<https://devfeed.tech/tags/frontend.md>), [http](<https://devfeed.tech/tags/http.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [mood](<https://devfeed.tech/tags/mood.md>), [performance](<https://devfeed.tech/tags/performance.md>), [server-side-rendering](<https://devfeed.tech/tags/server-side-rendering.md>), [single-page-application](<https://devfeed.tech/tags/single-page-application.md>), [spa-performance](<https://devfeed.tech/tags/spa-performance.md>), [web-applications](<https://devfeed.tech/tags/web-applications.md>), [web-architecture](<https://devfeed.tech/tags/web-architecture.md>)

## AI overview

The article argues that Single Page Applications can become performance bottlenecks as they grow, because their frontends may require many HTTP round-trips to retrieve JSON and update the DOM. It contrasts this approach with full HTML page reloads and explains its historical origins in AJAX and web application frameworks.

## Source excerpt

Single Page Applications, once a solution for slow browsers, are now a performance bottleneck due to multiple HTTP round-trips.