Websites Powered by Flat UI
3,494 websites tracked using Flat UI (UI frameworks) · designmodo.github.io
Flat UI is a UI/CSS framework used to style and lay out the site. Its official site is designmodo.github.io. PoweredBy tracks the websites that use Flat 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
500
1K
1.5K
Apr 2018
Jun 2020
Jul 2022
Sep 2024
Oct 2026
Domains observed using Flat UI in each month's HTTP Archive crawl,
Apr 2018 to Oct 2026 · peak 1,371 in Nov 2022. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2 s
INP 75 ms
CLS 0
TTFB 900 ms
Median site among 1,069 Flat UI sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
311
United Kingdom
219
India
205
Germany
145
Spain
145
Canada
133
Italy
131
France
120
Sites using Flat UI by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Education | 0.01% | 8 |
| Arts and entertainment | 0.01% | 6 |
| Government | 0.01% | 1 |
| Professional services | <0.01% | 2 |
| Legal | <0.01% | 1 |
| Blogs and publishing | <0.01% | 1 |
| Beauty and wellness | <0.01% | 1 |
| News and media | <0.01% | 1 |
| Healthcare | <0.01% | 2 |
| Real estate | <0.01% | 1 |
| Travel and hospitality | <0.01% | 1 |
| Software and apps | <0.01% | 1 |
Share of each industry's websites with a detected stack that use Flat UI; industries come from what sites declare in their own structured data.
Top sites by authority
9+
<1% · 1 of 372 sites
8+
<1% · 13 of 7,677 sites
7+
<1% · 25 of 45,712 sites
6+
<1% · 35 of 110,136 sites
5+
<1% · 50 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Flat UI in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Flat UI
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 101 | vpeeps.com | 3.33/10 | - | - | Jan 2019 |
| 102 | origamisimulator.org | 3.32/10 | - | - | Feb 2021 |
| 103 | brv.at | 3.30/10 | - | - | Jul 2020 |
| 104 | stichting-pulse.nl | 3.30/10 | - | - | Sep 2023 |
| 105 | televen.com | 3.26/10 | - | - | Sep 2017 |
| 106 | eccalifornian.com | 3.21/10 | - | - | Oct 2019 |
| 107 | inprovo.com | 3.21/10 | - | - | May 2020 |
| 108 | hive.org | 3.20/10 | - | - | Feb 2019 |
| 109 | funadiq.com | 3.19/10 | - | - | Feb 2020 |
| 110 | niedersachsen-aviation.de | 3.16/10 | - | - | Dec 2023 |
| 111 | scullersjazz.com | 3.15/10 | - | - | Jan 2019 |
| 112 | rvcog.org | 3.13/10 | - | - | Sep 2021 |
| 113 | pianoweb.eu | 3.12/10 | - | - | Jan 2021 |
| 114 | jisseki.net | 3.10/10 | - | - | Jan 2019 |
| 115 | vivitekusa.com | 3.09/10 | - | - | Aug 2018 |
| 116 | jamesriverwriters.org | 3.09/10 | - | - | Aug 2022 |
| 117 | kamje.or.kr | 3.08/10 | - | - | Apr 2025 |
| 118 | pluckeye.net | 3.07/10 | - | - | Aug 2017 |
| 119 | naturally-plus.com | 3.07/10 | - | - | Mar 2024 |
| 120 | 16mm.org.uk | 3.04/10 | 11 | 48 | Mar 2020 |
| 121 | homebinder.com | 3.01/10 | - | - | Aug 2020 |
| 122 | agcentrum.pl | 2.97/10 | - | 4 | May 2025 |
| 123 | villaescudero.com | 2.97/10 | - | - | May 2026 |
| 124 | bigmagic.net | 2.96/10 | 27 | 6 | Aug 2018 |
| 125 | uba.edu.ve | 2.94/10 | - | - | Oct 2024 |
| 126 | binkybunny.com | 2.92/10 | 26,900 | 20,652 | Sep 2019 |
| 127 | praesteforening.dk | 2.91/10 | - | - | Apr 2019 |
| 128 | bigfoot99.com | 2.91/10 | 2,700 | 1,550 | Jan 2019 |
| 129 | hiddencitysecrets.com.au | 2.91/10 | - | - | Dec 2020 |
| 130 | omafoligno.it | 2.91/10 | - | - | Dec 2025 |
| 131 | grupoactive.es | 2.90/10 | - | - | May 2017 |
| 132 | spiaggesalentine.it | 2.89/10 | - | - | May 2019 |
| 133 | hallstar.com | 2.88/10 | - | - | Aug 2018 |
| 134 | ellentalgymnasien.de | 2.85/10 | - | - | May 2026 |
| 135 | iscas.org.uk | 2.84/10 | - | - | Oct 2026 |
| 136 | cinema-life.net | 2.84/10 | - | - | Jan 2019 |
| 137 | aibili.pt | 2.84/10 | - | 1 | Apr 2023 |
| 138 | carolynyeager.net | 2.82/10 | - | - | Mar 2026 |
| 139 | startupwave.co | 2.82/10 | - | - | Jun 2026 |
| 140 | canavox.com | 2.81/10 | - | - | Jan 2019 |
| 141 | amade.es | 2.80/10 | - | - | Mar 2021 |
| 142 | memphismpo.org | 2.79/10 | - | - | Oct 2024 |
| 143 | lernpodium.ch | 2.79/10 | - | - | Jun 2024 |
| 144 | diamondhotel.com | 2.78/10 | - | - | Feb 2020 |
| 145 | amazingmail.com | 2.76/10 | 450 | 198 | Nov 2017 |
| 146 | miniatures.org | 2.76/10 | - | - | Nov 2025 |
| 147 | healthnewsillinois.com | 2.75/10 | - | - | Dec 2020 |
| 148 | dimensiva.com | 2.72/10 | - | - | Jun 2017 |
| 149 | fkstudenterna.se | 2.69/10 | - | - | Mar 2022 |
| 150 | escolamarketingdigital.pt | 2.64/10 | - | - | Oct 2021 |
| 151 | rsvpcomm.com | 2.62/10 | - | - | Jun 2026 |
| 152 | ellinikiagogi.gr | 2.61/10 | - | - | Jan 2019 |
| 153 | hyuga.jp | 2.52/10 | - | - | Jan 2019 |
| 154 | worldinprogress.es | 2.47/10 | - | - | Aug 2025 |
| 155 | moonfishcafe.co.uk | 2.43/10 | - | - | Jan 2019 |
| 156 | duocphamvinhgia.vn | 2.42/10 | - | - | Sep 2022 |
| 157 | iclass.hk | 2.39/10 | - | - | Nov 2023 |
| 158 | youngcarers.org.uk | 2.39/10 | - | - | Mar 2023 |
| 159 | gmpe.it | 2.37/10 | - | - | Jul 2025 |
| 160 | mefis.jp | 2.36/10 | - | - | Mar 2023 |
| 161 | sidea.org | 2.36/10 | - | - | Nov 2021 |
| 162 | vdhl.ru | 2.35/10 | - | - | May 2017 |
| 163 | slb.hamburg | 2.35/10 | - | - | Sep 2024 |
| 164 | toolsformotivation.com | 2.33/10 | - | - | Aug 2018 |
| 165 | canapes.co.il | 2.31/10 | - | - | Feb 2019 |
| 166 | tnotice.com | 2.30/10 | - | - | Aug 2022 |
| 167 | hufa.co.id | 2.29/10 | - | - | Mar 2020 |
| 168 | tw-insurance.info | 2.28/10 | - | - | Jan 2016 |
| 169 | zb.co.zw | 2.27/10 | - | - | Mar 2026 |
| 170 | congresoconaif.es | 2.26/10 | - | - | Oct 2025 |
| 171 | bhlive.org.uk | 2.25/10 | 2 | 30 | Jan 2019 |
| 172 | afocer.cat | 2.25/10 | - | - | Aug 2022 |
| 173 | cardsource.com | 2.22/10 | - | - | Feb 2019 |
| 174 | wat20.at | 2.16/10 | - | - | Jun 2022 |
| 175 | vacsera.com | 2.13/10 | - | - | May 2023 |
| 176 | ktep.hu | 2.11/10 | - | - | Mar 2024 |
| 177 | ikodop.eu | 2.10/10 | - | - | Aug 2022 |
| 178 | dugin.ru | 2.08/10 | - | - | Mar 2026 |
| 179 | thebellevue.com | 2.06/10 | - | - | Aug 2022 |
| 180 | juralib.de | 2.06/10 | - | - | Aug 2018 |
| 181 | egradnja.hr | 2.05/10 | - | - | Apr 2024 |
| 182 | desitin.ro | 2.05/10 | - | - | Nov 2022 |
| 183 | greentradertax.com | 2.05/10 | - | - | Dec 2024 |
| 184 | worldcdg.org | 2.05/10 | - | - | Aug 2022 |
| 185 | africalive.net | 2.03/10 | 6 | 41 | Aug 2022 |
| 186 | schoolboard.net | 2.03/10 | - | - | Jun 2024 |
| 187 | iroon.com | 2.01/10 | - | - | Jan 2016 |
| 188 | saschiz.ro | 2.00/10 | - | - | Oct 2021 |
| 189 | lloydsbritish.com | 1.99/10 | - | - | Nov 2019 |
| 190 | ikeja.co.za | 1.97/10 | - | - | Sep 2025 |
| 191 | exambuilder.com | 1.96/10 | - | - | May 2020 |
| 192 | examprofessor.com | 1.96/10 | - | - | Aug 2022 |
| 193 | eventosprisanoticias.com | 1.93/10 | - | - | Mar 2021 |
| 194 | wallysnh.com | 1.92/10 | - | - | Oct 2020 |
| 195 | vrlovethegame.com | 1.89/10 | - | - | Jan 2019 |
| 196 | myhouseradio.fm | 1.88/10 | - | - | Jun 2026 |
| 197 | landcolifestyleventures.com | 1.87/10 | - | - | Jun 2025 |
| 198 | kouzlovuni.cz | 1.87/10 | - | - | Jan 2019 |
| 199 | visuallabsinc.com | 1.86/10 | - | - | Sep 2020 |
| 200 | interconnect-wiring.com | 1.86/10 | - | - | Feb 2019 |
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).
Compare Flat UI
- Flat UI vs Bootstrap
- Flat UI vs Animate.css
- Flat UI vs Tailwind CSS
- Flat UI vs Radix UI
- Flat UI vs ZURB Foundation