Websites Powered by GOV.UK Frontend
1,133 websites tracked using GOV.UK Frontend (UI frameworks) · design-system.service.gov.uk
GOV.UK Frontend is a UI/CSS framework used to style and lay out the site. Its official site is design-system.service.gov.uk. PoweredBy tracks the websites that use GOV.UK Frontend 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
200
400
600
800
Feb 2020
Oct 2021
Jun 2023
Jan 2025
Sep 2026
Domains observed using GOV.UK Frontend in each month's HTTP Archive crawl,
Feb 2020 to Sep 2026 · peak 727 in Sep 2026. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.4 s
INP 75 ms
CLS 0
TTFB 500 ms
Median site among 750 GOV.UK Frontend sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United Kingdom
529
Slovakia
242
United States
169
India
148
Netherlands
115
Spain
114
Ireland
100
Germany
97
Sites using GOV.UK Frontend by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Government | 0.10% | 8 |
| Arts and entertainment | <0.01% | 3 |
| Education | <0.01% | 2 |
| News and media | <0.01% | 1 |
| Software and apps | <0.01% | 2 |
| Retail | <0.01% | 1 |
Share of each industry's websites with a detected stack that use GOV.UK Frontend; industries come from what sites declare in their own structured data.
Top sites by authority
9+
<1% · 2 of 372 sites
8+
<1% · 31 of 7,677 sites
7+
<1% · 83 of 45,712 sites
6+
<1% · 136 of 110,136 sites
5+
<1% · 173 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running GOV.UK Frontend in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using GOV.UK Frontend
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | github.io | 9.43/10 | 1,800 | 1 | Mar 2021 |
| 2 | www.gov.uk | 9.19/10 | 2,597,600 | 1,395,843 | Mar 2020 |
| 3 | service.gov.uk | 8.99/10 | - | - | Feb 2020 |
| 4 | azurewebsites.net | 8.87/10 | - | - | Jun 2020 |
| 5 | cam.ac.uk | 8.87/10 | 208,200 | 35,354 | Oct 2025 |
| 6 | site.com | 8.86/10 | - | 1 | Oct 2022 |
| 7 | parliament.uk | 8.85/10 | 264,200 | 39,936 | Mar 2021 |
| 8 | herokuapp.com | 8.74/10 | - | - | May 2021 |
| 9 | nationalarchives.gov.uk | 8.66/10 | 278,600 | 59,761 | Sep 2023 |
| 10 | gov.scot | 8.59/10 | 61,200 | 34,464 | Jun 2021 |
| 11 | blog.gov.uk | 8.54/10 | 150 | 33 | May 2020 |
| 12 | england.nhs.uk | 8.54/10 | 68,600 | 60,906 | Feb 2024 |
| 13 | hse.gov.uk | 8.54/10 | 36,700 | 29,744 | Nov 2021 |
| 14 | gamblingcommission.gov.uk | 8.51/10 | 4,500 | 5,196 | Dec 2020 |
| 15 | ukri.org | 8.51/10 | 31,600 | 13,846 | Nov 2020 |
| 16 | gov.wales | 8.48/10 | 37,700 | 16,015 | Aug 2020 |
| 17 | gov.sk | 8.36/10 | - | - | May 2020 |
| 18 | campaign.gov.uk | 8.27/10 | - | - | Apr 2021 |
| 19 | cqc.org.uk | 8.25/10 | 13,600 | 14,760 | Feb 2026 |
| 20 | data.gov.uk | 8.24/10 | 3,400 | 4,254 | Mar 2020 |
| 21 | food.gov.uk | 8.23/10 | 111,600 | 20,857 | Mar 2020 |
| 22 | nidirect.gov.uk | 8.21/10 | 140,100 | 128,149 | Mar 2020 |
| 23 | ofsted.gov.uk | 8.18/10 | - | - | Mar 2022 |
| 24 | education.gov.uk | 8.15/10 | - | - | Mar 2020 |
| 25 | defra.gov.uk | 8.08/10 | - | - | Mar 2020 |
| 26 | nihr.ac.uk | 8.08/10 | 4,200 | 4,426 | Sep 2022 |
| 27 | mod.uk | 8.05/10 | - | - | Jul 2021 |
| 28 | hmrc.gov.uk | 8.01/10 | 190 | 227 | Mar 2020 |
| 29 | charitycommission.gov.uk | 8.00/10 | - | - | Sep 2020 |
| 30 | ofgem.gov.uk | 8.00/10 | 7,700 | 5,782 | Apr 2020 |
| 31 | direct.gov.uk | 8.00/10 | - | - | Mar 2020 |
| 32 | caa.co.uk | 7.98/10 | 14,300 | 14,442 | Mar 2020 |
| 33 | homeoffice.gov.uk | 7.95/10 | - | - | Mar 2020 |
| 34 | scot.nhs.uk | 7.90/10 | 460 | 251 | Nov 2025 |
| 35 | judiciary.uk | 7.89/10 | 34,200 | 13,135 | Jul 2021 |
| 36 | nao.org.uk | 7.85/10 | 6,300 | 2,154 | Sep 2022 |
| 37 | nationalcrimeagency.gov.uk | 7.82/10 | 4,300 | 4,518 | Jun 2023 |
| 38 | companieshouse.gov.uk | 7.81/10 | - | - | Jan 2022 |
| 39 | justice.gov.uk | 7.78/10 | 6,400 | 7,437 | Apr 2020 |
| 40 | cps.gov.uk | 7.73/10 | 22,200 | 20,758 | Feb 2021 |
| 41 | dft.gov.uk | 7.69/10 | 2 | 4 | Mar 2020 |
| 42 | sas.ac.uk | 7.64/10 | 410 | 349 | Mar 2025 |
| 43 | mhra.gov.uk | 7.59/10 | - | - | Dec 2022 |
| 44 | soi.sk | 7.54/10 | 7 | 11 | Feb 2026 |
| 45 | ipo.gov.uk | 7.52/10 | 150 | 468 | Mar 2020 |
| 46 | nhsbsa.nhs.uk | 7.52/10 | 9,400 | 9,896 | May 2023 |
| 47 | dwp.gov.uk | 7.50/10 | - | - | Jul 2020 |
| 48 | minv.sk | 7.47/10 | 570 | 393 | Apr 2025 |
| 49 | communities.gov.uk | 7.44/10 | - | - | Apr 2021 |
| 50 | independent.gov.uk | 7.44/10 | 8 | 1 | May 2020 |
| 51 | cabinetoffice.gov.uk | 7.43/10 | - | - | Mar 2021 |
| 52 | icb.nhs.uk | 7.39/10 | - | - | Jan 2024 |
| 53 | microsoftcrmportals.com | 7.39/10 | - | - | May 2024 |
| 54 | chevening.org | 7.38/10 | 7,900 | 4,461 | Dec 2023 |
| 55 | lawcom.gov.uk | 7.37/10 | 910 | 709 | Mar 2025 |
| 56 | westminster.gov.uk | 7.37/10 | 5,100 | 6,407 | Nov 2025 |
| 57 | rnid.org.uk | 7.36/10 | 11,600 | 5,007 | Feb 2021 |
| 58 | thepensionsregulator.gov.uk | 7.35/10 | 1,800 | 1,094 | Mar 2022 |
| 59 | financnasprava.sk | 7.34/10 | 300 | 231 | Sep 2021 |
| 60 | naturalengland.org.uk | 7.34/10 | - | - | Jun 2023 |
| 61 | apprenticeships.gov.uk | 7.34/10 | 520 | 583 | Mar 2023 |
| 62 | orsr.sk | 7.33/10 | 190 | 1,272 | Jan 2024 |
| 63 | slovensko.sk | 7.33/10 | 240 | 257 | Aug 2022 |
| 64 | statistics.sk | 7.32/10 | - | 2 | May 2023 |
| 65 | mzv.sk | 7.30/10 | 1,400 | 275 | Sep 2022 |
| 66 | minedu.sk | 7.24/10 | 29 | 79 | Apr 2025 |
| 67 | fcdo.gov.uk | 7.23/10 | - | - | Apr 2021 |
| 68 | justiceinspectorates.gov.uk | 7.15/10 | 1 | 1 | Jun 2024 |
| 69 | daera-ni.gov.uk | 7.12/10 | 12,600 | 5,745 | Apr 2024 |
| 70 | lancashire.gov.uk | 7.11/10 | 10,000 | 5,527 | Jun 2026 |
| 71 | islington.gov.uk | 7.10/10 | 10,500 | 2,370 | Nov 2024 |
| 72 | lambeth.gov.uk | 7.10/10 | 2,900 | 2,285 | Nov 2024 |
| 73 | hackney.gov.uk | 7.07/10 | 5,200 | 1,775 | Apr 2020 |
| 74 | camden.gov.uk | 7.06/10 | 4,600 | 3,511 | May 2023 |
| 75 | moderngov.co.uk | 7.05/10 | - | - | Jun 2021 |
| 76 | nwac.ca | 7.04/10 | 88 | 170 | Jul 2026 |
| 77 | hertfordshire.gov.uk | 7.02/10 | 3,000 | 3,474 | Aug 2026 |
| 78 | civilservice.gov.uk | 7.02/10 | - | - | Jun 2020 |
| 79 | neu.org.uk | 7.02/10 | 7,800 | 2,481 | Jul 2024 |
| 80 | scotcourts.gov.uk | 7.02/10 | 4,200 | 7,346 | Jun 2023 |
| 81 | ref.ac.uk | 7.02/10 | - | - | Aug 2025 |
| 82 | jobs.nhs.uk | 7.02/10 | 4,700 | 5,535 | Jun 2023 |
| 83 | phe.org.uk | 7.01/10 | - | - | Aug 2020 |
| 84 | rosario.gob.ar | 6.96/10 | 630 | 3,716 | Oct 2021 |
| 85 | wiltshire.gov.uk | 6.94/10 | 3,900 | 2,733 | May 2022 |
| 86 | bathnes.gov.uk | 6.90/10 | 2,900 | 2,367 | Mar 2020 |
| 87 | shmu.sk | 6.85/10 | 410 | 532 | Feb 2025 |
| 88 | durham.gov.uk | 6.85/10 | 4,800 | 4,891 | Nov 2024 |
| 89 | haringey.gov.uk | 6.84/10 | 8,500 | 2,719 | Nov 2024 |
| 90 | dorsetcouncil.gov.uk | 6.80/10 | 5,100 | 4,721 | Jul 2021 |
| 91 | familyfund.org.uk | 6.79/10 | 1,200 | 1,016 | Apr 2024 |
| 92 | croydon.gov.uk | 6.79/10 | 5,900 | 2,449 | Nov 2024 |
| 93 | eastsussex.gov.uk | 6.76/10 | 1,900 | 2,229 | Mar 2021 |
| 94 | cafcass.gov.uk | 6.74/10 | 570 | 560 | May 2023 |
| 95 | swansea.gov.uk | 6.73/10 | 4,300 | 2,432 | Mar 2021 |
| 96 | walthamforest.gov.uk | 6.72/10 | 7,000 | 3,992 | Nov 2024 |
| 97 | business.gov.uk | 6.71/10 | 3,700 | 3,004 | Jul 2025 |
| 98 | planninginspectorate.gov.uk | 6.69/10 | - | - | Feb 2021 |
| 99 | leedsth.nhs.uk | 6.69/10 | 11,300 | 13,863 | Apr 2024 |
| 100 | plymouth.gov.uk | 6.69/10 | 2,800 | 3,055 | Sep 2022 |
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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