⚡ 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.
94.3% of these sites use only one component technology, 5.7% use two.
⭐ Most Popular in 2025
The following chart shows the leading component technologies in 2025, based on market share.
The most popular is Normalize.css with an impressive share of 37.6%, followed by AMP with 23.8% and Polymer with 12.7%.
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.
✨ Best Component Technologies
Below is a more detailed list of all 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.
Free Open source
37.6%
2
AMP
San Francisco, California, United States An open source HTML framework for creating lightweight pages that are optimized for mobile web browsing and load faster.
Free Open source
23.8%
3
Polymer
A library for creating encapsulated, reusable web components.
Free Open source Legacy
12.7%
4
Loadable Components
A React code splitting library that supports SSR.
Free Open source
5.4%
5
Styled Components
A library for React that allows developers to write CSS directly in JS to style components.
Free Open source
5.3%
6
Hover.css
Devon, United Kingdom A collection of CSS3 powered hover effects to be applied to links, buttons, logos, SVG, featured images.
Free Open source $14+
4.8%
7
Spin.js
An animated, configurable, resolution independent loading spinner with no dependencies.
Free Open source
4.5%
8
Helix Ultimate
Dhaka, Bangladesh A universal Joomla template that can be used to build all sorts of websites.
Free Open source
2.7%
9
Radix UI
San Francisco, California, United States An open-source component library optimized for fast development, easy maintenance, and accessibility.
Free Open source
2.4%
10
Headless UI
Kitchener, Ontario, Canada Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.
Free Open source
1.8%
11
HTML5 Boilerplate
A professional front-end template for building fast, robust, and adaptable web apps or sites.
Free Open source
1.3%
12
Ress
Brazil A modern CSS reset based on Normalize.css.
Free Open source
0.8%
13
Hyva
Heerlen, Netherlands A performance-optimized frontend theme for Magento.
€1,000
0.6%
14
Modern-normalize
Normalize browsers' default style.
Free Open 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
SpinKit
Sweden A collection of loading indicators animated with CSS.
Free Open source
0.4%
17
Lit
Mountain View, California, United States A simple library for building fast, lightweight web components, the successor to Polymer.
Free Open 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.
Free Open source
0.2%
-
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
0.09%
👉 See Also
Data is based on the analysis of 2,764,714 websites.
Statistics were last calculated on
December 28, 2025 .
For details, see our
methodology and
disclaimer .