⚡ 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%.

🚀 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.

RankNameMarket share
1
Normalize.css
San Francisco, California, United States

A modern, HTML5-ready alternative to CSS resets.

FreeOpen source
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.

FreeOpen source
3
Polymer

A library for creating encapsulated, reusable web components.

FreeOpen sourceLegacy
4
Loadable Components

A React code splitting library that supports SSR.

FreeOpen source
5
Styled Components

A library for React that allows developers to write CSS directly in JS to style components.

FreeOpen source
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+
7
Spin.js

An animated, configurable, resolution independent loading spinner with no dependencies.

FreeOpen source
8
Helix Ultimate
Dhaka, Bangladesh

A universal Joomla template that can be used to build all sorts of websites.

FreeOpen source
9
Radix UI
San Francisco, California, United States

An open-source component library optimized for fast development, easy maintenance, and accessibility.

FreeOpen source
10
Headless UI
Kitchener, Ontario, Canada

Completely unstyled, fully accessible UI components, designed to integrate beautifully with Tailwind CSS.

FreeOpen source
11
HTML5 Boilerplate

A professional front-end template for building fast, robust, and adaptable web apps or sites.

FreeOpen source
12
Ress
Brazil

A modern CSS reset based on Normalize.css.

FreeOpen source
13
Hyva
Heerlen, Netherlands

A performance-optimized frontend theme for Magento.

€1,000
14
Modern-normalize

Normalize browsers' default style.

FreeOpen source
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+
16
SpinKit
Sweden

A collection of loading indicators animated with CSS.

FreeOpen source
17
Lit
Mountain View, California, United States

A simple library for building fast, lightweight web components, the successor to Polymer.

FreeOpen source
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
-
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

👉 See Also

Data is based on the analysis of 2,764,714 websites.
Statistics were last calculated on .
For details, see our methodology and disclaimer.