Websites Powered by Base UI

19,213 websites tracked using Base UI (UI frameworks) · base-ui.com

Base UI is a UI/CSS framework used to style and lay out the site. Its official site is base-ui.com. PoweredBy tracks the websites that use Base UI across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the ui frameworks ecosystem.

Usage trend

Domains observed using Base UI in each month's HTTP Archive crawl, Feb 2026 to Oct 2026 · peak 14,105 in Oct 2026. The tracked total above also counts sites not re-crawled recently.

Core Web Vitals

LCP 2.2 s INP 100 ms CLS 0 TTFB 700 ms

Median site among 9,351 Base UI sites with Chrome UX data, p75 values, Sep 2026.

Top countries

United States 4,051
India 3,069
United Kingdom 2,061
Brazil 1,959
Germany 1,936
Indonesia 1,809
France 1,716
Canada 1,687

Sites using Base UI by audience country, Chrome UX Report.

Usage by industry

IndustryShareWebsites
Software and apps 1.29% 2,067
Games 1.14% 82
Education 0.48% 305
Finance and insurance 0.45% 94
Non-profit and religious 0.31% 32
Travel and hospitality 0.24% 204
Sports and fitness 0.24% 51
Government 0.22% 21
Pets and animals 0.22% 7
Professional services 0.18% 99
Healthcare 0.15% 189
Home and construction 0.14% 87

Share of each industry's websites with a detected stack that use Base UI; industries come from what sites declare in their own structured data.

Top sites by authority

9+ 5% · 18 of 372 sites
8+ 2% · 166 of 7,677 sites
7+ 1% · 531 of 45,712 sites
6+ <1% · 902 of 110,136 sites
5+ <1% · 1,361 of 246,751 sites

The share of the web's most authoritative domains, by Open Page Rank tier, seen running Base UI in recent crawls. Only 372 domains worldwide score 9 or higher.

Websites using Base UI

#DomainOpen Page RankOPREst. monthly visits (US)Visits (US)KeywordsFirst seen
1 cloudflare.com 9.78/10 984,600 93,222 May 2026
2 x.com 9.58/10 97,358,800 11,953,880 Aug 2026
3 microsoft.com 9.54/10 11,626,900 676,768 Mar 2026
4 github.io 9.43/10 1,800 1 Oct 2026
5 spotify.com 9.40/10 2,862,400 50,031 Oct 2026
6 yahoo.com 9.27/10 15,772,000 8,807,788 Aug 2026
7 calendly.com 9.23/10 214,200 29,714 Sep 2026
8 researchgate.net 9.17/10 2,568,300 5,057,699 Sep 2026
9 pages.dev 9.14/10 - - May 2026
10 ibm.com 9.13/10 11,139,500 518,522 Aug 2026
11 discord.com 9.11/10 1,675,100 139,302 Aug 2026
12 vercel.app 9.05/10 - - Feb 2026
13 abc.net.au 9.04/10 1,129,200 703,096 Apr 2026
14 nps.gov 9.02/10 22,671,700 1,434,691 Oct 2026
15 netlify.app 9.01/10 2 2 Apr 2026
16 latimes.com 9.01/10 3,834,800 1,748,067 Sep 2026
17 yale.edu 9.01/10 177,900 5,845 Oct 2026
18 uk.com 9.00/10 2 12 May 2026
19 nsw.gov.au 8.95/10 75,300 73,181 Sep 2026
20 cisco.com 8.92/10 1,161,900 251,239 Sep 2026
21 nvidia.com 8.89/10 1,840,400 290,399 Sep 2026
22 zapier.com 8.88/10 1,212,000 201,550 Sep 2026
23 claude.ai 8.87/10 359,700 14,920 Sep 2026
24 jsfiddle.net 8.86/10 8,900 7,602 Oct 2026
25 g2.com 8.85/10 471,800 215,138 Oct 2026
26 sap.com 8.83/10 526,000 58,757 Oct 2026
27 js.org 8.82/10 2 5 Sep 2026
28 it.com 8.81/10 - - May 2026
29 perplexity.ai 8.81/10 748,100 62,935 Aug 2026
30 hud.gov 8.81/10 634,600 58,354 Jul 2026
31 utoronto.ca 8.81/10 42,800 10,094 Sep 2026
32 kakao.com 8.80/10 51 39 Sep 2026
33 tally.so 8.79/10 23,000 6,866 Aug 2026
34 asana.com 8.77/10 536,400 80,322 Oct 2026
35 gitbook.io 8.77/10 - - Sep 2026
36 elastic.co 8.76/10 97,600 39,956 Oct 2026
37 web.app 8.76/10 - - Oct 2026
38 feedly.com 8.74/10 16,000 7,477 Jun 2026
39 buffer.com 8.74/10 132,800 60,172 Feb 2026
40 intercom.com 8.73/10 16,700 9,593 Apr 2026
41 brown.edu 8.73/10 376,500 23,950 Sep 2026
42 hostinger.com 8.72/10 559,500 118,731 Sep 2026
43 haxx.se 8.69/10 2 1 Sep 2026
44 linuxfoundation.org 8.68/10 15,600 5,532 Sep 2026
45 unimelb.edu.au 8.68/10 16,100 7,502 Sep 2026
46 fws.gov 8.67/10 2,362,400 285,137 Oct 2026
47 modelcontextprotocol.io 8.66/10 37,100 17,258 Aug 2026
48 scmp.com 8.66/10 1,413,200 517,845 May 2026
49 ionos.com 8.65/10 316,100 110,870 Sep 2026
50 lovable.dev 8.64/10 12,900 4,248 Apr 2026
51 vercel.com 8.64/10 43,500 39,830 Sep 2026
52 visa.com 8.64/10 85,600 35,622 May 2026
53 umami.is 8.63/10 1,300 939 Apr 2026
54 opensea.io 8.63/10 43,300 9,240 Feb 2026
55 miro.com 8.61/10 263,400 76,873 Aug 2026
56 workers.dev 8.61/10 - - Mar 2026
57 kit.edu 8.60/10 3,500 1,669 Jul 2026
58 bubble.io 8.59/10 82,800 7,733 Sep 2026
59 sverigesradio.se 8.59/10 7,100 9,581 Apr 2026
60 kit.com 8.58/10 21,800 8,669 Sep 2026
61 instructure.com 8.58/10 363,900 21,158 Sep 2026
62 towardsdatascience.com 8.57/10 80,000 63,938 Sep 2026
63 cal.com 8.56/10 84,200 3,222 Apr 2026
64 rvo.nl 8.56/10 820 1,519 Jul 2026
65 claude.com 8.55/10 10,100 7,189 Sep 2026
66 nhl.com 8.55/10 9,107,800 775,789 Oct 2026
67 elevenlabs.io 8.55/10 161,600 71,869 Feb 2026
68 data.gouv.fr 8.55/10 800 1,371 Sep 2026
69 zoom.com 8.54/10 1,645,500 54,352 Sep 2026
70 tunein.com 8.53/10 735,200 188,803 May 2026
71 convertkit.com 8.53/10 64 1 Sep 2026
72 etherscan.io 8.53/10 23,100 5,241 Aug 2026
73 allevents.in 8.53/10 251,000 805,035 May 2026
74 ucr.edu 8.53/10 112,800 11,969 Oct 2026
75 mintlify.app 8.52/10 - - Aug 2026
76 audacityteam.org 8.52/10 223,600 22,043 Sep 2026
77 ucar.edu 8.52/10 1,500 873 Sep 2026
78 deepl.com 8.51/10 7,537,100 322,263 Aug 2026
79 eu.org 8.51/10 - - Sep 2026
80 arduino.cc 8.51/10 112,200 17,035 Apr 2026
81 graphql.org 8.50/10 21,800 21,927 Feb 2026
82 make.com 8.50/10 11,100 12,143 Sep 2026
83 replit.com 8.50/10 90,500 13,991 Jun 2026
84 mixpanel.com 8.50/10 7,800 2,557 Aug 2026
85 paloaltonetworks.com 8.50/10 143,200 36,610 Sep 2026
86 infomaniak.com 8.49/10 930 930 Apr 2026
87 nrk.no 8.49/10 15,500 11,323 Feb 2026
88 unm.edu 8.49/10 35,300 18,041 Sep 2026
89 doi.gov 8.49/10 608,700 306,412 Oct 2026
90 opencollective.com 8.48/10 2,300 1,492 Sep 2026
91 grants.gov 8.48/10 216,400 38,896 Sep 2026
92 n8n.io 8.46/10 19,700 34,558 Sep 2026
93 snyk.io 8.44/10 10,700 9,285 Sep 2026
94 numerique.gouv.fr 8.44/10 2 33 Sep 2026
95 x.ai 8.43/10 115,100 8,745 May 2026
96 invideo.io 8.43/10 180,400 47,928 May 2026
97 splunk.com 8.42/10 133,200 36,907 Oct 2026
98 gamma.app 8.42/10 80,100 17,470 Sep 2026
99 nordvpn.com 8.42/10 744,700 114,573 Sep 2026
100 parallels.com 8.41/10 72,200 18,925 Sep 2026

Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.

Download top 10,000 as CSV (zip) →

Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).

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