# Why Web Developers Need to Care about Interactivity

DevFeed: [Why Web Developers Need to Care about Interactivity](<https://devfeed.tech/articles/why-web-developers-need-to-care-about-interactivity-29536.md>)

Original publisher: [Read original article](<https://philipwalton.com/articles/why-web-developers-need-to-care-about-interactivity/>)

Published: 2017-12-19T17:25:23Z

Content type: article

Language: en

Sources: [Philip Walton](<https://devfeed.tech/sources/philip-walton.md>)

Topics: [interactive website](<https://devfeed.tech/topics/interactive-website.md>), [Web Development](<https://devfeed.tech/topics/web-development.md>), [JavaScript](<https://devfeed.tech/topics/javascript.md>), [Document Object Model (DOM)](<https://devfeed.tech/topics/dom.md>), [browser](<https://devfeed.tech/topics/browser.md>)

Tags: [browser](<https://devfeed.tech/tags/browser.md>), [javascript](<https://devfeed.tech/tags/javascript.md>), [main-thread](<https://devfeed.tech/tags/main-thread.md>), [technical](<https://devfeed.tech/tags/technical.md>), [time-to-interactive](<https://devfeed.tech/tags/time-to-interactive.md>), [web-developers](<https://devfeed.tech/tags/web-developers.md>)

## AI overview

The article explains web interactivity as a page's ability to respond quickly to user input. It identifies delayed JavaScript loading and a busy browser main thread as the two primary causes of poor responsiveness, while focusing mainly on main-thread work.

## Source excerpt

Anyone who's browsed the web on their phone has, at one point or another, experienced this situation: You open a web page and click on something, but nothing happens. You click on it again--still nothing.