Is Bootstrap or Radix UI more popular?

Bootstrap is used by more websites in our catalog: 126,851 use Bootstrap and 3,291 use Radix UI.

Does Bootstrap or Radix UI have higher-authority sites?

Radix UI sites have the higher median Ahrefs Domain Rating (Bootstrap: 29, Radix UI: 39).

Is Bootstrap or Radix UI growing faster?

Between 2026-06 and 2026-07, Bootstrap went from 16% to 14% of all tracked sites, while Radix UI went from 0.47% to 0.37%. Radix UI is gaining ground faster in our index.

How many sites use both Bootstrap and Radix UI?

66 websites in our catalog use both Bootstrap and Radix UI.

Where does this Bootstrap vs Radix UI data come from?

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.

Bootstrap vs Radix UI — Site Stats Database

Bootstrap vs Radix UI

A side-by-side comparison of two ui & css frameworks, based on the 204,967 UI Framework sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	Bootstrap	Radix UI
Websites	126,851	3,291
Market share	62%	1.6%
Share of top 10K sites	9.8%	0.68%

Rank	#1	#9

Median DR	29	39

Average DR	32	40

Median keywords	919	1,092

Median referring domains	396	547

Median domain age	15 yrs	8 yrs

Average domain age	16 yrs	11 yrs

Average monthly traffic	73,491	211,518

Combined monthly traffic	9,322,399,969	696,105,014

merriam-webster.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords4,579,269
Referring Domains240,838
Domain Age27 yrs
Traffic (Jun 2026)1,467,281,883
Traffic Trend
TechnologyBootstrap
rapidtables.com
LanguageEnglish
DR (Ahrefs)79
Total Keywords410,849
Referring Domains12,076
Domain Age19 yrs
Traffic (Jun 2026)177,772,574
Traffic Trend
Technology
bbc.com
LanguageEnglish
DR (Ahrefs)93
Total Keywords3,887,532
Referring Domains716,813
Domain Age36 yrs
Traffic (Jun 2026)145,867,646
Traffic Trend
TechnologyBootstrap
bestbuy.com
LanguageEnglish
DR (Ahrefs)89
Total Keywords3,771,049
Referring Domains112,318
Domain Age32 yrs
Traffic (Jun 2026)127,973,459
Traffic Trend
TechnologyBootstrap
nps.gov
LanguageEnglish
DR (Ahrefs)92
Total Keywords1,563,784
Referring Domains315,622
Domain Age28 yrs
Traffic (Jun 2026)121,452,048
Traffic Trend
TechnologyBootstrap
cdc.gov
LanguageEnglish
DR (Ahrefs)93
Total Keywords1,815,374
Referring Domains779,287
Domain Age28 yrs
Traffic (Jun 2026)118,289,737
Traffic Trend
TechnologyBootstrap
usps.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords571,869
Referring Domains122,171
Domain Age28 yrs
Traffic (Jun 2026)105,769,868
Traffic Trend
TechnologyBootstrap
go.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords913,868
Referring Domains604,602
Domain Age28 yrs
Traffic (Jun 2026)72,794,971
Traffic Trend
TechnologyBootstrap
byjus.com
LanguageEnglish
DR (Ahrefs)80
Total Keywords1,666,559
Referring Domains55,721
Domain Age13 yrs
Traffic (Jun 2026)65,601,851
Traffic Trend
TechnologyBootstrap
footballdb.com
LanguageEnglish
DR (Ahrefs)55
Total Keywords264,264
Referring Domains3,634
Domain Age23 yrs
Traffic (Jun 2026)54,434,822
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
merriam-webster.com	English	91	4,579,269	240,838	27 yrs	1,467,281,883		Bootstrap

wise.com
LanguageEnglish
DR (Ahrefs)89
Total Keywords740,245
Referring Domains55,017
Domain Age32 yrs
Traffic (Jun 2026)191,512,897
Traffic Trend
TechnologyRadix UI
xe.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords320,559
Referring Domains58,181
Domain Age31 yrs
Traffic (Jun 2026)124,921,364
Traffic Trend
TechnologyRadix UI
scribd.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords8,482,756
Referring Domains463,710
Domain Age19 yrs
Traffic (Jun 2026)29,006,054
Traffic Trend
TechnologyRadix UI
papajohns.com
LanguageEnglish
DR (Ahrefs)77
Total Keywords163,562
Referring Domains15,224
Domain Age30 yrs
Traffic (Jun 2026)20,195,238
Traffic Trend
Technology
kitco.com
LanguageEnglish
DR (Ahrefs)83
Total Keywords52,289
Referring Domains31,544
Domain Age30 yrs
Traffic (Jun 2026)12,881,267
Traffic Trend
TechnologyRadix UI
cfr.org
LanguageEnglish
DR (Ahrefs)86
Total Keywords229,164
Referring Domains93,572
Domain Age33 yrs
Traffic (Jun 2026)10,735,936
Traffic Trend
TechnologyRadix UI
motortrend.com
LanguageEnglish
DR (Ahrefs)84
Total Keywords995,127
Referring Domains106,802
Domain Age27 yrs
Traffic (Jun 2026)10,530,068
Traffic Trend
Technology
zappos.com
LanguageEnglish
DR (Ahrefs)84
Total Keywords802,598
Referring Domains47,320
Domain Age26 yrs
Traffic (Jun 2026)10,108,841
Traffic Trend
TechnologyRadix UI
smartasset.com
LanguageEnglish
DR (Ahrefs)84
Total Keywords654,770
Referring Domains37,906
Domain Age22 yrs
Traffic (Jun 2026)9,756,196
Traffic Trend
Technology
owalalife.com
LanguageEnglish
DR (Ahrefs)68
Total Keywords45,197
Referring Domains1,989
Domain Age6 yrs
Traffic (Jun 2026)8,494,617
Traffic Trend
Technology