PageSourceSearch

UI libraries and CSS

Websites using Ark UI and Zag.js

Ark UI is a headless component library built on the Zag.js state machines, also underneath Chakra UI 3. About 324,766 websites in the PageSourceSearch index contain the code that reveals it; the 50 highest-ranked are listed below.

How is Ark UI and Zag.js detected?

Every Zag.js part renders the attributes data-scope= and data-part= that name the component and its part. The discovery keyword is the exact bytes PageSourceSearch looks for in every stored page and script:

data-scope="[a-z-]+" data-part=" regex Search the index for it

A literal is matched byte for byte, case-sensitively. Combine it with another keyword, a domain, a kind or a date filter on the search page to narrow the list. About Ark UI and Zag.js

Top 50 websites using Ark UI and Zag.js

Ranked by the domain's position in the crawl's ranked list (Common Crawl harmonic centrality), highest first. view source opens the stored page or script with the match highlighted. Computed 2026-10-12 01:04:21 UTC.

#WebsiteRankFound in
1 livenation.com 8,904 html https://www.livenation.com/ view source profile
2 sidley.com 9,933 html https://www.sidley.com/en view source profile
3 openagenda.com 11,148 html https://openagenda.com/en view source profile
4 sevenrooms.com 12,580 html https://sevenrooms.com/ view source profile
5 musicbed.com 12,843 html https://www.musicbed.com/ view source profile
6 formlabs.com 12,947 html https://formlabs.com/ view source profile
7 givingwhatwecan.org 15,199 html https://www.givingwhatwecan.org/ view source profile
8 fril.jp 16,167 html https://fril.jp/category view source profile
9 vayapin.com 21,725 html https://vayapin.com/en view source profile
10 zealy.io 22,193 html https://zealy.io/ view source profile
11 ndla.no 28,774 html https://ndla.no/ view source profile
12 newarkairport.com 29,947 html https://www.newarkairport.com/ view source profile
13 usaboxing.org 33,694 html https://www.usaboxing.org/ view source profile
14 jfkairport.com 36,221 html https://www.jfkairport.com/ view source profile
15 bankid.no 37,676 html https://bankid.no/ view source profile
16 nextgrowthlabs.com 38,628 html https://nextgrowthlabs.com/search-engine-optimization view source profile
17 laguardiaairport.com 38,978 html https://www.laguardiaairport.com/ view source profile
18 teamusa.com 42,384 html https://www.teamusa.com/ view source profile
19 usatriathlon.org 47,100 html https://www.usatriathlon.org/ view source profile
20 themat.com 58,006 html https://www.themat.com/ view source profile
21 mykeeper.com 60,789 html https://www.mykeeper.com/ view source profile
22 afriforum.co.za 61,442 html https://wereld.afriforum.co.za/af/auth/login view source profile
23 wand.com 72,139 html https://wand.com/games view source profile
24 zalify.com 72,659 html https://app.zalify.com/auth/signin?c…%3A%2F%2Fapp.zalify.com view source profile
25 vontobel.com 73,361 html https://www.vontobel.com/en-us/ view source profile
26 usafencing.org 77,373 html https://www.usafencing.org/ view source profile
27 usaba.org 91,743 html https://www.usaba.org/ view source profile
28 fakro.pl 92,454 html https://www.fakro.pl/ view source profile
29 usatt.org 92,862 html https://www.usatt.org/ view source profile
30 usaartisticswim.org 96,535 html https://www.usaartisticswim.org/ view source profile
31 vedikay.com 98,485 html https://vedikay.com/hi view source profile
32 handcash.io 99,248 html https://handcash.io/ view source profile
33 scatterlab.co.kr 101,068 html https://www.scatterlab.co.kr/en/intro view source profile
34 tripshot.com 101,752 html https://tripshot.com/ view source profile
35 schechterguides.com 112,816 html https://schechterguides.com/ view source profile
36 prismaticpowders.com 114,501 html https://www.prismaticpowders.com/ view source profile
37 reland.com.br 118,356 html https://reland.com.br/en view source profile
38 reece.com.au 120,756 html https://www.reece.com.au/ view source profile
39 prayerwalk.app 127,091 html https://prayerwalk.app/ view source profile
40 chataibot.pro 132,172 html https://chataibot.pro/app/auth/sign-up view source profile
41 vancouverisland.travel 140,498 html https://vancouverisland.travel/ view source profile
42 bizben.com 153,866 html https://www.bizben.com/ view source profile
43 human.design 156,285 html https://human.design/ view source profile
44 danielwirtz.com 173,381 html https://danielwirtz.com/ view source profile
45 mcbios.com 173,455 html https://mcbios.com/ view source profile
46 fab-ai.org 177,685 html https://www.fab-ai.org/ view source profile
47 studyhall.ai 181,012 html https://studyhall.ai/ view source profile
48 chataibot.ru 182,485 html https://chataibot.ru/app/auth/sign-up view source profile
49 cloodot.com 188,023 html https://chats.cloodot.com/auth/signin view source profile
50 kwipoo.app 188,124 html https://www.kwipoo.app/ view source profile

How it appears in the source

From livenation.com (html):

in-width: 62rem){.css-1y1gu9i{display:none;}}</style><div class="css-1y1gu9i"><div data-scope="accordion" data-part="root" dir="ltr" id="accordion:_R_j6d9fdl9fivb_" data-orientation="vertical" class="

See every site: search for data-scope="[a-z-]+" data-part="

Questions about finding Ark UI and Zag.js

How does PageSourceSearch know a website uses Ark UI and Zag.js?
By the source itself: Every Zag.js part renders the attributes data-scope= and data-part= that name the component and its part. PageSourceSearch stores the raw HTML and first-party JavaScript of each crawled site and matches the keyword byte for byte, so every listed site's stored source contains it.
Is this a complete list of websites using Ark UI and Zag.js?
No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of about 324,766 websites that do; the count is the index's estimate at the time the list was computed. Run the keyword as a search to page through all of them, or add a kind or date filter.
How do I find websites that use Ark UI and Zag.js together with another technology?
Search for both keywords at once: several terms separated by spaces must all be found on the same site, or with the Same page toggle in the same page. For example data-scope="[a-z-]+" data-part=" with wp-content/plugins/ lists the WordPress sites that use Ark UI and Zag.js.