UI frameworks · comparison
Bootstrap vs UIKit
Bootstrap is used on 1,519,038 sites, 22 times as many as UIKit (68,514 sites).
In UI frameworks, Bootstrap ranks #1 and UIKit #3 by number of sites.
From Jul 2026 to Oct 2026, Bootstrap grew 0.3% and UIKit grew 0.1%.
17,448 sites run both: 1.1% of Bootstrap sites and 25% of UIKit sites.
Bo
Bootstrap
getbootstrap.com
- Sites
- 1,519,038
- Share of tracked sites
- 9.83%
- Rank in UI frameworks
- #1
- Change since Jul 2026
- ▲ +0.31%
Ui
UIKit
getuikit.com
- Sites
- 68,514
- Share of tracked sites
- 0.45%
- Rank in UI frameworks
- #3
- Change since Jul 2026
- ▲ +0.1%
Sites using both
17,448
sites run Bootstrap and UIKit
of Bootstrap sites1.1%
of UIKit sites25.5%
Top sites using Bootstrap
- roszdravnadzor.gov.ru#28,145
- roszdravnadzor.ru#50,147
- egypt.travel#62,813
- torrentbot226.site#155,383
- tnpsc.gov.in#156,333
Often used with Bootstrap
More UI frameworks comparisons
Site counts and ranks come from our crawl of the web; the change compares the monthly adoption snapshots both technologies have.