Bootstrap

San Francisco, California, United States

Bootstrap is an open-source framework for building responsive, mobile-first websites and web applications with HTML, CSS, and JavaScript, originally developed at Twitter.

It provides a responsive grid system, prebuilt components, extensive Sass variables and mixins, official icon library, and built-in form validation.

According to our data, Bootstrap is the most popular user interface framework on the web.
It has 63.3% of the UI framework market share and is present on 27.1% of all websites.

💸 Pricing

Bootstrap is available for free.

Free ✔️Open source

📊 Rankings and Market Share

🏆 Bootstrap Awards

⚡ Sites Built With Bootstrap

We have data on 901,679 websites that use the Bootstrap UI framework. Here is a list of some of the top ranked ones.

The highest rated site using Bootstrap is telegram.org.

#WebsiteRankCountryLanguage
1 telegram.org #21 United Kingdom English
2 bbc.com #65 United Kingdom British English
3 cnn.com #67 United States English
4 forbes.com #68 United States English
5 who.int #88 Switzerland English
6 etsy.com #93 United States American English
7 cdc.gov #110 United States American English
8 uber.com #117 United States English
9 uol.com.br #135 Brazil Brazilian Portuguese
10 nypost.com #140 United States American English
11 espn.com #141 English
12 merriam-webster.com #143 English
13 indiatimes.com #158 India English
14 walmart.com #162 American English
15 irs.gov #183 United States English
16 w3schools.com #188 American English
17 go.com #199 English
18 usps.com #200 United States English
19 emaktab.uz #204 Uzbekistan Azerbaijani
20 avito.ru #207 Russia Russian

📈 Usage Statistics

Most of the sites that use Bootstrap:

Most of the sites using Bootstrap are from the United States, Germany, and the United Kingdom.

  • United States 16.9%
  • Germany 7.2%
  • United Kingdom 5.3%
  • France 4.3%
  • India 4%
  • Italy 3.8%
  • Spain 3.4%
  • Netherlands 3.3%
  • Russia 2.9%
  • Other 48.9%

Most Bootstrap users speak English, German, or Spanish.

  • English 49.7%
  • German 6.7%
  • Spanish 5.5%
  • French 4%
  • Russian 3.4%
  • Italian 3%
  • Portuguese 2.9%
  • Chinese 2.5%
  • Dutch 2.4%
  • Other 19.9%

The Bootstrap UI framework is especially popular on .com and .org top-level domains.

  • .com 41.3%
  • .org 5.9%
  • .de 4.5%
  • .net 2.7%
  • .it 2.3%
  • .ru 2.1%
  • .com.br 1.8%
  • .co.uk 1.7%
  • .fr 1.6%
  • Other 36.1%

The primary market segments for websites utilizing Bootstrap include business, marketing and merchandising, and online shopping.

  • Business 18.3%
  • Marketing/Merchandising 10.6%
  • Online Shopping 10.4%
  • Education/Reference 7.1%
  • Internet Services 5.5%
  • Travel 4.1%
  • Blogs/Wiki 4%
  • Health 3.5%
  • Entertainment 3.3%
  • Other 33.2%

🔢 Bootstrap Versions

The most widespread version of Bootstrap is 3.3, used by 23.6% of sites where versions were detected. In addition, 11.1% of sites use Bootstrap 5.3, and 8.8% use Bootstrap 4.3.

  • 3.3 23.6%
  • 5.3 11.1%
  • 4.3 8.8%
  • 5.0 7.9%
  • 3.4 7.5%
  • 4.5 6.7%
  • 4.1 6.4%
  • 4.6 5.9%
  • 4.0 5.4%
  • Other 16.7%

🕵️ Similar Technologies

These are some of the best Bootstrap alternatives.

RankName
4
Foundation
Campbell, California, United States

An open-source responsive framework that provides a customizable grid system, a library of UI components, HTML templates, and JavaScript plugins.

FreeOpen source
6
UIKit
Hamburg, Germany

A lightweight and modular front-end framework.

FreeOpen source
7
Bulma
London, United Kingdom

An open-source modular CSS framework based on Flexbox.

FreeOpen source
11
Spectre.css
Shanghai, China

A lightweight, responsive CSS framework designed for faster and extensible development.

FreeOpen source
29
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

🆚 Compare Alternatives

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💬 Frequently Asked Questions

Where is Bootstrap's headquarters?

Bootstrap is located in San Francisco, California, United States.

Can I use Bootstrap for free?

Yes, it is a free user interface framework.
Moreover, it is an open source solution, and you can find its source code on GitHub.

Which country uses Bootstrap the most?

The majority of Bootstrap users are from the United States.

Who uses Bootstrap?

According to our data, Bootstrap is used on thousands of sites, including such established ones as telegram.org, bbc.com, and cnn.com.

Is Bootstrap used on government websites?

Yes, for example, it is used by cdc.gov and irs.gov. Overall, we found Bootstrap on 1,049 government sites in the United States.

Do academic institutions use Bootstrap?

Yes, quite a few! In total, we know of 1,943 academic websites in the United States that use Bootstrap.

How does Bootstrap compare to its competitors?

Bootstrap is the most popular user interface framework on the market, outranking all others.

What are the alternatives to Bootstrap?

Alternatives and possible competitors to Bootstrap may include UIKit, Foundation, and Shoelace.

👉 See Also

Statistics were last calculated on .
For details, see our methodology and disclaimer.