kb/data/developer.mozilla.org/en-US/docs/Glossary/Perceived_performance-0.md

9.5 KiB

title chunk source category tags date_saved instance
Perceived performance - Glossary | MDN 1/3 https://developer.mozilla.org/en-US/docs/Glossary/Perceived_performance reference web, html, css, javascript, documentation 2026-05-05T05:40:11.114469+00:00 kb-cron

MDN HTML HTML: Markup language

HTML reference

HTML guides

Markup languages

CSS CSS: Styling language

CSS reference

CSS guides

Layout cookbook

JavaScriptJS JavaScript: Scripting language

JS reference

JS guides

Web APIs Web APIs: Programming interfaces

Web API reference

Web API guides

All All web technology

Technologies

Topics

Learn Learn web development

Frontend developer course

Learn HTML

Learn CSS

Learn JavaScript

Tools Discover our tools

About Get to know MDN better

Blog

  1. Glossary
  2. Perceived performance

Perceived performance

Perceived performance is a measure of how fast, responsive, and reliable a website feels to its users. The perception of how well a site is performing can have more impact on the user experience than the actual load and response times.

In this article

See also