Websites Powered by Pure CSS
31,135 websites tracked using Pure CSS (UI frameworks) · purecss.io
Pure CSS is a UI/CSS framework used to style and lay out the site. Its official site is purecss.io. PoweredBy tracks the websites that use Pure CSS 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
5K
10K
15K
Apr 2018
May 2020
May 2022
Jun 2024
Jun 2026
Domains observed using Pure CSS in each month's HTTP Archive crawl,
Apr 2018 to Jun 2026 · peak 12,842 in Mar 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.8 s
INP 75 ms
CLS 0
TTFB 800 ms
Median site among 11,087 Pure CSS sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
4,641
Germany
1,719
United Kingdom
1,692
India
1,531
France
1,385
Japan
1,364
Italy
1,227
Netherlands
1,188
Sites using Pure CSS by audience country, Chrome UX Report.
Top sites by authority
9+
5% · 20 of 372 sites
8+
2% · 122 of 7,677 sites
7+
<1% · 271 of 45,712 sites
6+
<1% · 413 of 110,136 sites
5+
<1% · 606 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Pure CSS in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Pure CSS
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | cloudfront.net | 9.47/10 | - | - | Dec 2020 |
| 2 | nih.gov | 9.44/10 | 301,200 | 37,339 | Aug 2025 |
| 3 | github.io | 9.43/10 | 1,800 | 1 | Aug 2018 |
| 4 | blogspot.com | 9.39/10 | - | - | Aug 2018 |
| 5 | qq.com | 9.34/10 | 2,200 | 163 | Feb 2020 |
| 6 | zoom.us | 9.29/10 | 682,200 | 64,680 | Mar 2021 |
| 7 | yahoo.com | 9.27/10 | 16,064,700 | 10,883,592 | Aug 2018 |
| 8 | who.int | 9.26/10 | 3,114,700 | 778,407 | Aug 2022 |
| 9 | ca.gov | 9.23/10 | 1,457,100 | 28,722 | Aug 2018 |
| 10 | stanford.edu | 9.19/10 | 3,302,700 | 5,160 | Aug 2018 |
| 11 | berkeley.edu | 9.10/10 | 166,900 | 5,412 | Jul 2019 |
| 12 | acm.org | 9.05/10 | 24,100 | 17,765 | Jul 2021 |
| 13 | vercel.app | 9.05/10 | - | - | Feb 2024 |
| 14 | free.fr | 9.05/10 | 3,400 | 1,262 | Mar 2022 |
| 15 | ed.gov | 9.05/10 | 1,229,500 | 99,935 | Jul 2019 |
| 16 | wpengine.com | 9.04/10 | 66,500 | 17,967 | Oct 2022 |
| 17 | ieee.org | 9.02/10 | 37,200 | 20,161 | Aug 2018 |
| 18 | netlify.app | 9.01/10 | 2 | 2 | Oct 2020 |
| 19 | unicef.org | 9.01/10 | 286,700 | 135,578 | Apr 2023 |
| 20 | uk.com | 9.00/10 | 2 | 12 | Jan 2019 |
| 21 | ox.ac.uk | 8.98/10 | 214,200 | 93,016 | Aug 2022 |
| 22 | strato.de | 8.95/10 | 380 | 397 | Feb 2023 |
| 23 | nsw.gov.au | 8.95/10 | 75,300 | 73,181 | Aug 2018 |
| 24 | mynavi.jp | 8.95/10 | 81 | 14 | Jul 2021 |
| 25 | sakura.ne.jp | 8.95/10 | - | - | Feb 2019 |
| 26 | wa.gov | 8.93/10 | 719,800 | 8,195 | Feb 2026 |
| 27 | utexas.edu | 8.92/10 | 503,000 | 11,984 | Aug 2019 |
| 28 | dot.gov | 8.90/10 | - | - | Oct 2023 |
| 29 | azurewebsites.net | 8.87/10 | - | - | Jan 2019 |
| 30 | appspot.com | 8.87/10 | - | - | Feb 2020 |
| 31 | ucdavis.edu | 8.83/10 | 383,600 | 93,475 | Mar 2025 |
| 32 | unc.edu | 8.83/10 | 342,800 | 27,928 | Apr 2019 |
| 33 | js.org | 8.82/10 | 2 | 5 | Aug 2018 |
| 34 | cnrs.fr | 8.82/10 | 4,300 | 2,992 | Apr 2019 |
| 35 | mass.gov | 8.82/10 | 3,564,100 | 1,351,010 | Aug 2018 |
| 36 | it.com | 8.81/10 | - | - | Aug 2025 |
| 37 | fc2.com | 8.80/10 | 5,100 | 10 | Feb 2020 |
| 38 | utah.gov | 8.80/10 | 129,900 | 27,432 | Jun 2025 |
| 39 | web.app | 8.76/10 | - | - | Apr 2024 |
| 40 | mo.gov | 8.75/10 | 136,100 | 9,975 | May 2026 |
| 41 | justgiving.com | 8.71/10 | 3,100 | 5,043 | Apr 2018 |
| 42 | uwaterloo.ca | 8.71/10 | 224,700 | 71,840 | Jul 2022 |
| 43 | ucsb.edu | 8.71/10 | 73,800 | 11,445 | Aug 2018 |
| 44 | biglobe.ne.jp | 8.71/10 | 1 | 2 | Aug 2018 |
| 45 | u-tokyo.ac.jp | 8.71/10 | 25,200 | 7,795 | Aug 2022 |
| 46 | lse.ac.uk | 8.67/10 | 60,400 | 38,566 | Oct 2024 |
| 47 | indiana.edu | 8.67/10 | - | - | Aug 2022 |
| 48 | cuny.edu | 8.65/10 | 294,000 | 61,388 | Mar 2023 |
| 49 | usp.br | 8.65/10 | 1 | 19 | Aug 2022 |
| 50 | autodesk.com | 8.63/10 | 747,900 | 158,390 | Jan 2021 |
| 51 | oregonstate.edu | 8.63/10 | 88,700 | 11,290 | May 2019 |
| 52 | com.de | 8.62/10 | 5 | 14 | Oct 2022 |
| 53 | developpement-durable.gouv.fr | 8.60/10 | - | - | Aug 2022 |
| 54 | rug.nl | 8.60/10 | 11,600 | 9,018 | Aug 2024 |
| 55 | speedtest.net | 8.59/10 | 7,903,000 | 42,743 | Aug 2018 |
| 56 | krakow.pl | 8.59/10 | 690 | 649 | Mar 2021 |
| 57 | salesforce-sites.com | 8.58/10 | - | - | Jul 2023 |
| 58 | warwick.ac.uk | 8.58/10 | 45,500 | 33,900 | Aug 2018 |
| 59 | univie.ac.at | 8.58/10 | 10,000 | 1,103 | Aug 2018 |
| 60 | unam.mx | 8.58/10 | 1,900 | 1,196 | Aug 2018 |
| 61 | neocities.org | 8.57/10 | 23,000 | 6,887 | May 2021 |
| 62 | kyoto-u.ac.jp | 8.57/10 | 4,800 | 3,548 | Oct 2024 |
| 63 | cuni.cz | 8.56/10 | 4,400 | 1,637 | Jul 2019 |
| 64 | overcast.fm | 8.53/10 | 4,400 | 509 | Apr 2018 |
| 65 | wmo.int | 8.53/10 | 104,500 | 28,334 | Dec 2022 |
| 66 | eu.org | 8.51/10 | - | - | Dec 2023 |
| 67 | ibge.gov.br | 8.51/10 | 4,400 | 4,506 | Apr 2018 |
| 68 | coca-cola.com | 8.49/10 | 780,500 | 84,974 | Aug 2022 |
| 69 | wfp.org | 8.49/10 | 127,500 | 25,111 | Aug 2018 |
| 70 | uni-koeln.de | 8.49/10 | 1,200 | 427 | Jan 2019 |
| 71 | docs.rs | 8.48/10 | 76,400 | 27,176 | Aug 2018 |
| 72 | strikingly.com | 8.44/10 | 12,600 | 14,735 | Aug 2018 |
| 73 | bremen.de | 8.38/10 | 340 | 509 | Sep 2023 |
| 74 | saitama.lg.jp | 8.38/10 | - | - | Mar 2024 |
| 75 | ugr.es | 8.38/10 | 8,500 | 8,711 | May 2023 |
| 76 | gnupg.org | 8.37/10 | 5,600 | 2,689 | Dec 2022 |
| 77 | pp.ua | 8.37/10 | 22 | 5 | Nov 2022 |
| 78 | unwto.org | 8.37/10 | 750 | 329 | May 2024 |
| 79 | uni-lj.si | 8.37/10 | 3,200 | 359 | Jul 2020 |
| 80 | jrc.or.jp | 8.37/10 | 420 | 340 | Nov 2020 |
| 81 | wroc.pl | 8.36/10 | - | - | Jan 2019 |
| 82 | pref.aichi.jp | 8.36/10 | 440 | 254 | Oct 2024 |
| 83 | kinsta.cloud | 8.35/10 | - | - | Jun 2026 |
| 84 | tuwien.ac.at | 8.35/10 | - | - | Dec 2022 |
| 85 | uni-hannover.de | 8.35/10 | 1,300 | 518 | Feb 2026 |
| 86 | uchile.cl | 8.35/10 | 1,900 | 3,976 | May 2020 |
| 87 | uv.es | 8.35/10 | 19,100 | 19,126 | Aug 2022 |
| 88 | haskell.org | 8.34/10 | 19,400 | 3,472 | Apr 2023 |
| 89 | tistory.com | 8.33/10 | 230 | 8 | Aug 2018 |
| 90 | state.or.us | 8.32/10 | - | - | Aug 2018 |
| 91 | rotary.org | 8.30/10 | 73,100 | 17,519 | Oct 2021 |
| 92 | carleton.ca | 8.30/10 | 49,300 | 20,005 | Nov 2023 |
| 93 | udc.es | 8.29/10 | 280 | 628 | Jul 2018 |
| 94 | firebaseapp.com | 8.27/10 | - | - | Aug 2022 |
| 95 | stonybrook.edu | 8.27/10 | 351,000 | 92,449 | Oct 2023 |
| 96 | ou.edu | 8.27/10 | 382,900 | 71,501 | Aug 2018 |
| 97 | fiocruz.br | 8.27/10 | 500 | 722 | Aug 2018 |
| 98 | edf.fr | 8.25/10 | 4,400 | 2,871 | Nov 2018 |
| 99 | nagoya-u.ac.jp | 8.25/10 | 11 | 36 | Jun 2020 |
| 100 | gcs-web.com | 8.22/10 | - | - | Jun 2021 |
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) →
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