Category - JavaScript Libraries

Bootstrap is a popular free and open-source web framework designed for creating responsive mobile-first web sites.

We have discovered 10,223,868 live websites that are using Bootstrap.

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Technology usage statistics

Websites using Bootstrap10,223,868 websites
Most popular in the country US
Market position in JavaScript Libraries#3
Market penetration in JavaScript Libraries23.08%
Most popular version3.3.7

Technology adoption

Recent changes in Bootstrap usage. (See Bootstrap Usage Changes report)
Websites that added Bootstrap+1,364,105
Websites that dropped Bootstrap-1,410,210
Websites that changed version of Bootstrap536,463

Distribution by websites popularity

Bootstrap detection in the top websites by popularity
Top 10k sites959 websites
Top 100k sites12,495 websites
Top 1m sites145,475 websites

Websites utilizing Bootstrap

Top websites that use Bootstrap

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Flat price per the report, subscription is not required.

Geographical Distribution

Technology usage distribution by websites across the globe.

Alternative Technologies

jQuery: Total 33,828,234 domains found using jQuery
jQuery Migrate: Total 13,736,531 domains found using jQuery Migrate
Polyfill IO: Total 9,771,160 domains found using Polyfill IO
Polyfill: Total 8,546,031 domains found using Polyfill
jQuery UI: Total 6,599,741 domains found using jQuery UI
Google Hosted Libraries: Total 5,336,914 domains found using Google Hosted Libraries
React: Total 5,125,832 domains found using React
html5shiv: Total 5,046,604 domains found using html5shiv
Modernizr: Total 3,719,357 domains found using Modernizr
Swiper: Total 3,555,868 domains found using Swiper


  • 1 (50 subversions, 158,943 domains)
  • 2 (40 subversions, 145,864 domains)
  • 3 (50 subversions, 1,401,379 domains)
  • 4 (249 subversions, 967,129 domains)
  • 5 (189 subversions, 193,650 domains)