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
| Metric | Flowbite | Foundation |
|---|---|---|
| Websites | 376 | 8,731 |
| Market share | 0.18% | 4.3% |
| Share of top 10K sites | 0.02% | 0.84% |
| Share of top 100K sites |
|---|
| 0.04% |
| 1.1% |
| Rank | #22 | #4 |
|---|
| Median DR | 34 | 32 |
|---|
| Average DR | 36 | 34 |
|---|
| Median keywords | 996 | 1,025 |
|---|
| Median referring domains | 500 | 415 |
|---|
| Median domain age | 9 yrs | 17 yrs |
|---|
| Average domain age | 12 yrs | 17 yrs |
|---|
| Average monthly traffic | 34,398 | 69,054 |
|---|
| Combined monthly traffic | 12,933,514 | 602,914,005 |
|---|
Monthly snapshots of each segment, 2026-06 to 2026-07. Website counts move when our catalog grows; the share of tracked sites is normalized, so it only moves when real prevalence changes.
Websites
Share of tracked sites
Combined monthly traffic
376 websites · rank #22
Top industries
Top markets
8,731 websites · rank #4
Top industries
Top markets
Foundation is used by more websites in our catalog: 376 use Flowbite and 8,731 use Foundation.
Flowbite sites have the higher median Ahrefs Domain Rating (Flowbite: 34, Foundation: 32).
Between 2026-06 and 2026-07, Flowbite went from 0.05% to 0.04% of all tracked sites, while Foundation went from 1.1% to 0.99%. Flowbite is gaining ground faster in our index.
4 websites in our catalog use both Flowbite and Foundation.
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.
Citation
Site Stats Database. "Flowbite vs Foundation." Site Stats Database, July 1, 2026. https://sitestatsdb.com/technologies/ui-frameworks/compare/flowbite-vs-foundation
Site Stats Database tracks 376 websites using Flowbite and 8,731 using Foundation, each enriched with full monthly traffic history, authority, keywords, referring domains, and the complete detected tech stack. We detect every UI / CSS framework by crawling each site's HTML, response headers, and DNS; traffic and SEO metrics come from DataForSEO and Ahrefs. Everything refreshes at least monthly.
See plans & pricing| English |
| 61 |
| 8,056 |
| 1,628 |
| 15 yrs |
| 1,005,889 |
| Flowbite |
| a1solarstore.com | English | 72 | 39,855 | 2,159 | 9 yrs | 820,512 | Flowbite |
| gopowersports.com | English | 42 | 26,313 | 755 | 23 yrs | 786,990 | Flowbite |
| aqua-tots.com | English | 53 | 9,871 | 1,707 | 26 yrs | 553,517 | Flowbite |
| windsorcommunities.com | English | 53 | 17,864 | 1,450 | 27 yrs | 357,408 | Flowbite |
| motionbgs.com | English | 32 | 52,148 | 2,269 | 3 yrs | 274,740 | Flowbite |
| price4limo.com | English | 73 | 19,435 | 3,438 | 15 yrs | 272,560 | Flowbite |
| citydays.com | English | 51 | 20,245 | 1,247 | 21 yrs | 238,629 | Flowbite |
| recnationstorage.com | English | 48 | 16,982 | 759 | 4 yrs | 211,711 | Flowbite |
| English |
| 82 |
| 286,557 |
| 21,818 |
| 31 yrs |
| 20,054,396 |
| Foundation |
| nyctourism.com | English | 80 | 240,750 | 21,150 | 27 yrs | 16,941,041 | Foundation |
| uber.com | English | 91 | 401,357 | 121,270 | 30 yrs | 14,692,510 | Foundation |
| texaslottery.com | English | 80 | 57,299 | 7,352 | 26 yrs | 12,469,549 | Foundation |
| photo.walgreens.com | English | 85 | 109,015 | 4,546 | 31 yrs | 10,619,614 | Foundation |
| bandcamp.com | English | 93 | 668,672 | 555,755 | 23 yrs | 10,045,944 | Foundation |
| canvaslms.com | English | 80 | 5,426 | 13,632 | 15 yrs | 9,394,607 | Foundation |
| mapsofworld.com | English | 70 | 512,560 | 28,794 | 26 yrs | 8,853,604 | Foundation |
| visitgreenvillesc.com | English | 70 | 41,971 | 2,959 | 14 yrs | 8,191,263 | Foundation |