🆚 Foundation vs. Headless UI
- 📈 Foundation is much more popular than Headless UI.
- 🌎 Foundation is more popular in the United States, Germany, and the United Kingdom.
- 🌍 Headless UI is more popular in Mongolia, Uzbekistan, and the Faroe Islands.
Statistics based on 3.5M+ analyzed websites. About this data
FoundationType
User interface framework
Website component
About
Foundation is an open-source responsive framework that provides a customizable grid system, a library of UI components (Building Blocks), 
HTML templates, and 
JavaScript plugins.
It includes keyboard accessibility, screen-reader support, ARIA attributes, device-adaptive visibility controls, and two types of grids (Flexbox and 
CSS Grid) to enable advanced layout control.
Completely unstyled, fully accessible UI components, designed to integrate beautifully with 
Tailwind CSS.
Headquarters
Campbell, California, United States
Kitchener, Ontario, Canada
Pricing
Free ✔️Open source
Free ✔️Open source
Categories
Popularity
Determined by the number of sites using each technology.
The Foundation UI framework is 12 times more popular than Headless UI.
Total websites
Market share
UI Frameworks
Popularity by country
Determined by the number of sites detected from each country.
Foundation is more popular in the United States, Germany, and the United Kingdom, while Headless UI is more popular in Mongolia, Uzbekistan, and the Faroe Islands.
United States
Germany
United Kingdom
Netherlands
Australia
France
Canada
Italy
Spain
Korea
Awards
- 🥉 Third most popular in the Philippines in the UI Frameworks category.
- 🥉 Third most popular in Liechtenstein in the UI Frameworks category.
- ⭐ 4th most popular in the United States in the UI Frameworks category.
- ⭐ 4th most popular in Germany in the UI Frameworks category.
- ⭐ 4th most popular in the United Kingdom in the UI Frameworks category.
- ⭐ 6th most popular in Indonesia in the Components category.
- ⭐ 6th most popular in Norway in the Components category.
- ⭐ 8th most popular in Sweden in the Components category.
- ⭐ 8th most popular in Belgium in the UI Frameworks category.
- ⭐ 8th most popular in Ireland in the Components category.
Popularity by domain category
Determined by the number of sites in each category.
Foundation is more popular than Headless UI in all market segments.
Business
Marketing/Merchandising
Online Shopping
Education/Reference
Internet Services
Travel
Non-Profit/Advocacy/NGO
Health
Blogs/Wiki
Entertainment
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Bootstrap
Bulma
MIP🗃️ 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 3,512,920 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.