Category - JavaScript Libraries

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

We have discovered 10,846,283 live websites that are using Bootstrap.

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Technology usage statistics

Websites using Bootstrap 10,846,283 websites
Most popular in the country United States of America
Market position in JavaScript Libraries #3
Market share in JavaScript Libraries 5.47%
Most popular version 3

Technology adoption

Recent changes in Bootstrap usage. (See Bootstrap Usage Changes report)
Websites that added Bootstrap +272,551
Websites that dropped Bootstrap -173,385
Websites that changed version of Bootstrap 73,660

Distribution by websites popularity

Bootstrap detection in the top websites by popularity
Top 10k sites 1,008 websites
Top 100k sites 13,029 websites
Top 1m sites 151,629 websites

Websites utilizing Bootstrap

Top websites that use Bootstrap

Domain Country Rank Contacts Brazil 37 United States of America 65 United States of America 150 United States of America 151 United States of America 165 United States of America 194
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Flat price per the report, subscription is not required.

Market Share

Bootstrap market share within the JavaScript Libraries category

Geographical Distribution

Technology usage distribution by websites across the globe.


  • 1 (50 subversions, 196,863 domains)
  • 2 (40 subversions, 168,708 domains)
  • 3 (50 subversions, 1,583,219 domains)
  • 4 (239 subversions, 1,042,231 domains)
  • 5 (167 subversions, 111,285 domains)