⚡ Website Components

CSS and

JavaScript components are reusable pieces of code that help keep websites consistent and speed up development by allowing developers to easily apply common layouts, styles, and interactive elements across pages.

According to our research, website components are used on 5.1% of all websites.
94.2% of these sites use only one component technology, 5.7% use two.

Statistics based on 3.5M+ analyzed websites. About this data

⭐ Most Popular in 2026

The following chart shows the leading component technologies in 2026, based on market share.

The most popular is Normalize.css with an impressive share of 37.6%, followed by AMP with 22% and Polymer with 12.4%.

Normalize.css 37.6%
AMP 22%
Polymer 12.4%
Loadable Components 5.7%
Styled Components 5.6%
Hover.css 5%
Spin.js 4.4%
Radix UI 3%
Helix Ultimate 2.7%
Headless UI 2.1%
HTML5 Boilerplate 1.3%
Ress 0.9%
Hyva 0.9%
Modern-normalize 0.6%
Stacks 0.5%

You can also drill down by country:

🚀 Country Highlights

Here is a list of technologies that are especially popular in certain countries.
Differences between global and country rankings are shown in parentheses.

AMP is #1 in Indonesia ^(-1)
Polymer is #1 in Israel ^(-2)
Styled Components is #2 in Taiwan ^(-3)
Ress is #2 in Japan ^(-10)
Hover.css is #3 in Spain ^(-3)
Spin.js is #3 in Italy ^(-4)
Hyva is #3 in the Netherlands ^(-10)
Helix Ultimate is #5 in Germany ^(-4)
Radix UI is #7 in the United States ^(-1)
HTML5 Boilerplate is #7 in India ^(-4)

✨ Best Component Technologies

Below is a more detailed list of 19 component technologies we detect, ranked by their market share.

Rank	Name	Market share
1	Normalize.css San Francisco, California, United States A modern, HTML5-ready alternative to CSS resets. FreeOpen source	37.6%
2	AMP San Francisco, California, United States An open-source HTML framework originally created by Google for building lightweight web pages optimized for fast loading on mobile devices. FreeOpen source	22%
3	Polymer Mountain View, California, United States A library for creating encapsulated, reusable web components. FreeOpen sourceLegacy	12.4%
4	Loadable Components A React code splitting library that supports SSR. FreeOpen source	5.7%
5	Styled Components Hadley, Massachusetts, United States An open-source CSS-in-JS library for React that allows developers to define component styles directly within JavaScript and TypeScript code. FreeOpen source	5.6%
6	Hover.css Devon, United Kingdom A collection of CSS3 powered hover effects to be applied to links, buttons, logos, SVG, featured images. FreeOpen source$14+	5%
7	Spin.js An animated, configurable, resolution independent loading spinner with no dependencies. FreeOpen source	4.4%
8	Radix UI San Francisco, California, United States An open-source component library that provides low-level, unstyled interface primitives for building accessible user interfaces and design systems in web applications. FreeOpen source	3%
9	Helix Ultimate Dhaka, Bangladesh A universal Joomla template that can be used to build all sorts of websites. FreeOpen source	2.7%
10	Headless UI Kitchener, Ontario, Canada An open-source library of unstyled, fully accessible UI components designed for React and Vue.js applications, with close integration with Tailwind CSS. FreeOpen source	2.1%
11	HTML5 Boilerplate A professional front-end template for building fast, robust, and adaptable web apps or sites. FreeOpen source	1.3%
12	Ress Brazil A modern CSS reset based on Normalize.css. FreeOpen source	0.9%
13	Hyva Heerlen, Netherlands An open-source frontend theme for Magento that focuses on storefront performance, developer experience, and simplified frontend architecture. FreeOpen source	0.9%
14	Modern-normalize Normalize browsers' default style. FreeOpen source	0.6%
15	Stacks Austin, Texas, United States An essential RapidWeaver plug-in that allows to design websites with drag and drop using hundreds of pre-made stacks. $49.95+	0.5%
16	Lit Mountain View, California, United States A simple library for building fast, lightweight web components, the successor to Polymer. FreeOpen source	0.4%
17	SpinKit Sweden A collection of loading indicators animated with CSS. FreeOpen source	0.3%
18	Shoelace A framework-agnostic library of production-ready web user interface components built entirely with native Web Component standards, ensuring consistent design and behavior across any JavaScript framework or none at all. FreeOpen source	0.3%
19	MIP Beijing, China An open mobile-page framework created by Baidu as an alternative to Google's AMP for delivering fast-loading pages on mobile devices. Legacy	0.1%

👉 See Also

🗃️ About This Data

We evaluate the popularity of technologies based on the number of websites where we detect their usage.
Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
This report is based on the analysis of 3,533,726 websites.
We currently track the presence of 19 component technologies across the web.
Statistics were last calculated on July 5, 2026.
For more details, see our methodology and disclaimer.