What is Emotion?

UI Library

Emotion is an UI or JavaScript library: CSS-in-JS library. Tech Stack Detector identifies Emotion on any website by analysing the HTML source.

Emotion is an UI or JavaScript library (UI Library), detected on 9 websites in our index. See websites using Emotion ↓

CategoryUI Library

Official siteemotion.sh

Detection signals1 signal

In our index9 websites

How Tech Stack Detector detects Emotion

Emotion is matched from these signals during a single, ordinary page request. Each one contributes to the confidence score shown on a scan.

Html PatternEmotion style markers

Websites using Emotion

Recently scanned websites where we detected Emotion. Open one to see its full technology stack.

continente.pt8 technologies · 4 d ago

bigcommerce.com12 technologies · 7 d ago

www.nike.com11 technologies · 8 d ago

tiktok.com4 technologies · 9 d ago

www.theguardian.com4 technologies · 9 d ago

www.figma.com10 technologies · 9 d ago

bbc.co.uk3 technologies · 9 d ago

netflix.com4 technologies · 10 d ago

www.paypal.com7 technologies · Sep 4, 2026

View all websites using Emotion

Often used with Emotion

Technologies most frequently detected alongside Emotion across scanned websites.

Google WorkspaceOther4 sites Progressive Web AppOther4 sites BootstrapUI Library3 sites Next.jsFramework3 sites ReactFramework3 sites Node.jsLanguage3 sites CloudflareCDN2 sites Google Tag ManagerAnalytics2 sites

Alternatives to Emotion

Other UI Library technologies Tech Stack Detector detects: popular alternatives and related tools, most-detected first.

Tailwind CSSUI Library170 sites BootstrapUI Library119 sites jQueryUI Library78 sites SwiperUI Library40 sites GSAPUI Library14 sites styled-componentsUI Library9 sites Alpine.jsUI Library8 sites Three.jsUI Library6 sites Chart.jsUI Library3 sites VuetifyUI Library3 sites Ant DesignUI Library2 sites BulmaUI Library1 site

Compare Emotion

Side-by-side comparisons of Emotion with other UI Library technologies.

Emotion vs Tailwind CSS Emotion vs Bootstrap Emotion vs jQuery Emotion vs Swiper Emotion vs GSAP

Popular technologies

The technologies most often detected across all websites scanned on Tech Stack Detector.

CloudflareCDN247 sites Google FontsFont215 sites Tailwind CSSUI Library170 sites ReactFramework165 sites Progressive Web AppOther147 sites PHPLanguage139 sites Node.jsLanguage136 sites Next.jsFramework124 sites BootstrapUI Library119 sites Google WorkspaceOther110 sites

Frequently asked questions

What is Emotion?

Emotion is an UI or JavaScript library: CSS-in-JS library. Tech Stack Detector identifies Emotion on any website by analysing the HTML source. Its official website is https://emotion.sh.

How can I tell if a website uses Emotion?

Enter any URL into Tech Stack Detector and it reports whether Emotion is present, with a confidence score and the exact evidence it matched. Detection is based on the HTML source. No login or crawling of the site is required.

How many websites use Emotion?

Emotion has been detected on 9 websites in the public Tech Stack Detector scan index. This reflects sites that visitors have analysed here, not global market share.

What are some alternatives to Emotion?

Other UI Library technologies Tech Stack Detector detects include Tailwind CSS, Bootstrap, jQuery, Swiper, GSAP and styled-components. You can compare any of them side by side with Emotion.

Data last updated October 20, 2026 · based on 618 recently scanned websites.