420 live USWDS sites, ready to export.
That's how many USWDS websites are in VersionDB right now, each with its full tech stack, contact details, and social profiles.
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Every USWDS website we detected in the United States.
Only sites where a personal, company-hosted email was found.
Sites with at least one personnel LinkedIn profile.
Start with the highest-traffic end of the dataset.
Limit results to USWDS websites on .com domains.
Only sites where an organisation phone number was found.
Websites Using USWDS
A sample of live USWDS sites from our latest crawl, with the other technologies each one runs.
| Domain | Also runs | Crawl Date |
|---|---|---|
| forestsandrangelands.gov | September 27, 2026 | |
| presidentialinnovationfellows.gov | September 26, 2026 | |
| fairfieldtheatre.org | September 24, 2026 | |
| restorethegulf.gov | September 23, 2026 | |
| nlsinfo.org | September 23, 2026 | |
| communityofinnovation.org | September 23, 2026 | |
| fac.gov | September 23, 2026 | |
| go.gov | September 23, 2026 | |
| arctic.gov | September 22, 2026 | |
| serdp-estcp.mil | September 22, 2026 |
How many websites use USWDS?
We found USWDS on 420 websites in our September 2026 crawl, across 21 countries.
Which countries use USWDS the most?
By number of websites, the top countries are United States (75%, 317 sites), Canada (under 1%, 3 sites), Germany (under 1%, 3 sites), France (under 1%, 3 sites) and Hong Kong (under 1%, 3 sites). Together they account for 78% of the 420 USWDS sites we track. 88% of the sites are in English, and .gov is the most used domain ending, on 45% of them.
Where are USWDS websites hosted?
The networks carrying the most USWDS sites are Amazon.com, Inc. (83 sites), Fastly, Inc. (67 sites) and Akamai International B.V. (37 sites).
What technologies are used with USWDS?
Across the 420 USWDS sites we track, the technologies most often found alongside it are jQuery (67%, 280 sites), HSTS (63%, 266 sites), PHP (50%, 212 sites), Google Analytics (35%, 147 sites) and Google Tag Manager (29%, 121 sites).
Breakdown of USWDS websites
What else they run, plus their language, hosting network, domain extension and country.
| Technology | Sites |
|---|---|
| jQuery | 280 |
| HSTS | 266 |
| PHP | 212 |
| Google Analytics | 147 |
| Google Tag Manager | 121 |
| Cloudflare | 118 |
| Drupal | 113 |
| Amazon Web Services | 107 |
| MySQL | 89 |
| WordPress | 89 |
| cdnjs | 87 |
| jQuery Migrate | 85 |
| Apache HTTP Server | 84 |
| Bootstrap | 81 |
| jsDelivr | 69 |
| Amazon CloudFront | 67 |
| HTTP/3 | 67 |
| Nginx | 67 |
| Font Awesome | 62 |
| Varnish | 61 |
| Yoast SEO | 54 |
| jQuery UI | 54 |
| Google Hosted Libraries | 49 |
| Fastly | 45 |
| Slick | 41 |
| Language | Sites |
|---|---|
| English | 371 |
| Chinese | 4 |
| Catalan | 3 |
| Italian | 3 |
| Latin | 3 |
| Dutch | 3 |
| Polish | 3 |
| Russian | 3 |
| Spanish | 3 |
| Tagalog | 3 |
| Japanese | 2 |
| Slovenian | 2 |
| Tsonga | 2 |
| Bosnian | 1 |
| Esperanto | 1 |
| Finnish | 1 |
| Hungarian | 1 |
| Latvian | 1 |
| Malay | 1 |
| Norwegian Nynorsk | 1 |
| Norwegian Bokmål | 1 |
| Portuguese | 1 |
| Southern Sotho | 1 |
| Albanian | 1 |
| Swedish | 1 |
| ASN | Sites |
|---|---|
| Amazon.com, Inc. | 83 |
| Fastly, Inc. | 67 |
| Akamai International B.V. | 37 |
| Cloudflare, Inc. | 33 |
| Microsoft Corporation | 28 |
| Comptroller of the Currency | 17 |
| Incapsula Inc | 11 |
| Amazon | 10 |
| Google LLC | 6 |
| Cloudflare London, LLC | 5 |
| Environmental Protection Agency | 5 |
| Hetzner Online GmbH | 5 |
| Ohio State University | 5 |
| Reaching Across Illinois Library System | 5 |
| Automattic, Inc | 4 |
| DigitalOcean, LLC | 4 |
| ESnet | 4 |
| GoDaddy.com, LLC | 4 |
| AKAMAI-AS | 3 |
| Hostinger International Limited | 3 |
| National Oceanic and Atmospheric Administration | 3 |
| U.S. Department of Energy | 3 |
| U.S. Department of the Interior | 3 |
| CLOUDFLARENET | 2 |
| Executive Office Of The President | 2 |
| TLD | Sites |
|---|---|
| gov | 189 |
| com | 83 |
| org | 81 |
| io | 11 |
| us | 11 |
| mil | 6 |
| net | 6 |
| app | 5 |
| info | 4 |
| ua | 3 |
| nl | 2 |
| np | 2 |
| pl | 2 |
| au | 1 |
| ca | 1 |
| care | 1 |
| dev | 1 |
| digital | 1 |
| edu | 1 |
| fi | 1 |
| hu | 1 |
| international | 1 |
| jp | 1 |
| lv | 1 |
| me | 1 |
| Country | Sites |
|---|---|
| 🇺🇸 United States | 317 |
| Unknown | 69 |
| 🇨🇦 Canada | 3 |
| 🇩🇪 Germany | 3 |
| 🇫🇷 France | 3 |
| 🇭🇰 Hong Kong | 3 |
| 🇺🇦 Ukraine | 3 |
| 🇯🇵 Japan | 2 |
| 🇳🇱 Netherlands | 2 |
| 🇳🇵 Nepal | 2 |
| 🇵🇱 Poland | 2 |
| 🇦🇺 Australia | 1 |
| 🇧🇪 Belgium | 1 |
| 🇨🇳 China | 1 |
| 🇫🇮 Finland | 1 |
| 🇬🇧 United Kingdom | 1 |
| 🇭🇺 Hungary | 1 |
| 🇱🇻 Latvia | 1 |
| 🇸🇨 Seychelles | 1 |
| 🇸🇮 Slovenia | 1 |
| 🇹🇼 Taiwan | 1 |
| 🇿🇦 South Africa | 1 |
Other technologies in UI frameworks
UI frameworks technologies run on 22.69% of the websites we track. USWDS ranks #23 of 36, on under 0.01% of UI frameworks sites.
- Bootstrap 10,671,097 sites, 92.35%
- ZURB Foundation 432,353 sites, 3.74%
- UIKit 399,951 sites, 3.46%
- Tailwind CSS 183,736 sites, 1.59%
- Material Design Lite 35,489 sites, 0.31%
- Pure CSS 23,553 sites, 0.2%
- Ant Design 22,882 sites, 0.2%
- MDBootstrap 16,824 sites, 0.15%
FAQ
Answers drawn from our latest crawl of USWDS websites. Anything else, email us and we will look it up.
Through our own crawl, which checks each site's HTML, scripts and headers rather than relying on self-reported data.