Is Foundation or Headless UI more popular?

Foundation is used by more websites in our catalog: 8,731 use Foundation and 2,125 use Headless UI.

Does Foundation or Headless UI have higher-authority sites?

Headless UI sites have the higher median Ahrefs Domain Rating (Foundation: 32, Headless UI: 42).

Is Foundation or Headless UI growing faster?

Between 2026-06 and 2026-07, Foundation went from 1.1% to 0.99% of all tracked sites, while Headless UI went from 0.30% to 0.24%. Headless UI is gaining ground faster in our index.

How many sites use both Foundation and Headless UI?

3 websites in our catalog use both Foundation and Headless UI.

Where does this Foundation vs Headless 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.

Foundation vs Headless UI — Site Stats Database

Foundation vs Headless 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	Foundation	Headless UI
Websites	8,731	2,125
Market share	4.3%	1.0%
Share of top 10K sites	0.84%	0.74%

Rank	#4	#11

Median DR	32	42

Average DR	34	41

Median keywords	1,025	1,436

Median referring domains	415	760

Median domain age	17 yrs	12 yrs

Average domain age	17 yrs	13 yrs

Average monthly traffic	69,054	462,640

Combined monthly traffic	602,914,005	983,111,037

patriots.com
LanguageEnglish
DR (Ahrefs)75
Total Keywords143,244
Referring Domains16,324
Domain Age31 yrs
Traffic (Jun 2026)21,987,794
Traffic Trend
TechnologyFoundation
uhaul.com
LanguageEnglish
DR (Ahrefs)82
Total Keywords286,557
Referring Domains21,818
Domain Age31 yrs
Traffic (Jun 2026)20,054,396
Traffic Trend
TechnologyFoundation
nyctourism.com
LanguageEnglish
DR (Ahrefs)80
Total Keywords240,750
Referring Domains21,150
Domain Age27 yrs
Traffic (Jun 2026)16,941,041
Traffic Trend
Technology
uber.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords401,357
Referring Domains121,270
Domain Age30 yrs
Traffic (Jun 2026)14,692,510
Traffic Trend
TechnologyFoundation
texaslottery.com
LanguageEnglish
DR (Ahrefs)80
Total Keywords57,299
Referring Domains7,352
Domain Age26 yrs
Traffic (Jun 2026)12,469,549
Traffic Trend
Technology
photo.walgreens.com
LanguageEnglish
DR (Ahrefs)85
Total Keywords109,015
Referring Domains4,546
Domain Age31 yrs
Traffic (Jun 2026)10,619,614
Traffic Trend
Technology
bandcamp.com
LanguageEnglish
DR (Ahrefs)93
Total Keywords668,672
Referring Domains555,755
Domain Age23 yrs
Traffic (Jun 2026)10,045,944
Traffic Trend
Technology
canvaslms.com
LanguageEnglish
DR (Ahrefs)80
Total Keywords5,426
Referring Domains13,632
Domain Age15 yrs
Traffic (Jun 2026)9,394,607
Traffic Trend
Technology
mapsofworld.com
LanguageEnglish
DR (Ahrefs)70
Total Keywords512,560
Referring Domains28,794
Domain Age26 yrs
Traffic (Jun 2026)8,853,604
Traffic Trend
Technology
visitgreenvillesc.com
LanguageEnglish
DR (Ahrefs)70
Total Keywords41,971
Referring Domains2,959
Domain Age14 yrs
Traffic (Jun 2026)8,191,263
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
patriots.com	English	75	143,244	16,324	31 yrs	21,987,794		Foundation

nfl.com
LanguageEnglish
DR (Ahrefs)89
Total Keywords947,630
Referring Domains147,040
Domain Age30 yrs
Traffic (Jun 2026)275,712,888
Traffic Trend
TechnologyHeadless UI
wise.com
LanguageEnglish
DR (Ahrefs)89
Total Keywords740,245
Referring Domains55,017
Domain Age32 yrs
Traffic (Jun 2026)191,512,897
Traffic Trend
TechnologyHeadless UI
deepl.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords257,270
Referring Domains56,098
Domain Age16 yrs
Traffic (Jun 2026)104,514,269
Traffic Trend
TechnologyHeadless UI
eater.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords1,555,898
Referring Domains96,287
Domain Age25 yrs
Traffic (Jun 2026)42,081,064
Traffic Trend
TechnologyHeadless UI
flightaware.com
LanguageEnglish
DR (Ahrefs)82
Total Keywords627,477
Referring Domains33,829
Domain Age21 yrs
Traffic (Jun 2026)32,184,080
Traffic Trend
Technology
dominos.com
LanguageEnglish
DR (Ahrefs)80
Total Keywords193,164
Referring Domains21,426
Domain Age32 yrs
Traffic (Jun 2026)26,430,242
Traffic Trend
TechnologyHeadless UI
bible.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords681,273
Referring Domains50,220
Domain Age31 yrs
Traffic (Jun 2026)17,974,483
Traffic Trend
TechnologyHeadless UI
kitco.com
LanguageEnglish
DR (Ahrefs)83
Total Keywords52,289
Referring Domains31,544
Domain Age30 yrs
Traffic (Jun 2026)12,881,267
Traffic Trend
TechnologyHeadless UI
nhm.ac.uk
LanguageEnglish
DR (Ahrefs)84
Total Keywords210,512
Referring Domains54,627
Domain Age
Traffic (Jun 2026)12,233,377
Traffic Trend
TechnologyHeadless UI
savvycal.com
LanguageEnglish
DR (Ahrefs)79
Total Keywords30,473
Referring Domains3,397
Domain Age5 yrs
Traffic (Jun 2026)9,170,711
Traffic Trend
TechnologyHeadless UI