Metro UI on new websites

1. Metro UI appeared on 3 new sites in the last 30 days.^[1]

The line is the 7-day average share of new sites that use Metro UI, since 10 September.

#	Movement	Tool	Share of all sites	Share of category[2]	Bar
1	–	Tailwind CSS	24.5%	86.3%
2	–	Bootstrap	4.3%	15.1%
3	–	UIkit	0.1%	0.4%
4	–	Layui	<0.1%	0.1%
5	▲2	Foundation	<0.1%	<0.1%
…
12	▲1	Metro UI	<0.1%	<0.1%

All-time shares across the new sites we track: of all of them, and of the sites using any CSS Framework tool. All 32 in CSS Framework

3 of the 32 sites using Metro UI are product launches we list individually. The other 29 are new business and personal sites: they count towards the figures above but are not listed here. A watch sends them to you.

Site	Found	Also detected
BOSS-Bible of Options Strategies System trumae.tech	Sep 24
Lịch Cắt Điện - Tra cứu lịch cắt điện 63 tỉnh thành lichcatdien.online	Jul 21
FrankUI - Frankly, a better UI framework. frankui.com · Developer Tools	Jul 17

Watches, exports and the API give you all 32 sites using Metro UI, from £15 a month.

1. These figures cover websites that went live since April 2026, not the web as a whole.
2. Some products people expect to see here are filed under a related category: UI Library.