The following output was generated by the find-usa-class-usage.js script in 18F/uswds-crawler.
| Class | Usage |
|---|---|
| usa-grid | 75% |
| usa-width-one-half | 54% |
| usa-button | 51% |
| usa-unstyled-list | 45% |
| usa-width-one-third | 45% |
| usa-footer | 42% |
| usa-disclaimer | 42% |
| usa-disclaimer-official | 39% |
| usa-width-two-thirds | 35% |
| usa-grid-full | 32% |
| usa-footer-logo | 32% |
| usa-footer-secondary_section | 31% |
| usa-width-one-whole | 31% |
| usa-disclaimer-stage | 29% |
| usa-search | 28% |
| usa-sr-only | 28% |
| usa-flag_icon | 28% |
| usa-banner | 26% |
| usa-button-big | 26% |
| usa-section | 25% |
| usa-accordion | 25% |
| usa-button-outline | 23% |
| usa-font-lead | 23% |
| usa-footer-return-to-top | 23% |
| usa-footer-contact-links | 23% |
| usa-skipnav | 21% |
| usa-button-secondary | 20% |
| usa-nav | 20% |
| usa-logo | 20% |
| usa-width-one-fourth | 20% |
| usa-accordion-content | 20% |
| usa-footer-contact-heading | 20% |
| usa-content | 20% |
| usa-banner-content | 20% |
| usa-footer-primary-content | 18% |
| usa-footer-primary-link | 18% |
| usa-accordion-button | 18% |
| usa-header | 18% |
| usa-footer-nav | 18% |
| usa-menu-btn | 17% |
| usa-nav-link | 17% |
| usa-navbar | 17% |
| usa-nav-primary | 17% |
| usa-nav-close | 17% |
| usa-nav-inner | 17% |
| usa-footer-primary-section | 17% |
| usa-footer-medium | 15% |
| usa-banner-header | 15% |
| usa-button-outline-inverse | 15% |
| usa-sans | 15% |
| usa-site-header | 14% |
| usa-search-small | 14% |
| usa-banner-inner | 14% |
| usa-hero | 14% |
| usa-footer-logo-img | 14% |
| usa-banner-guidance-gov | 12% |
| usa-footer-slim | 12% |
| usa-nav-submenu | 12% |
| usa-overlay | 12% |
| usa-logo-text | 12% |
| usa-media_block-body | 12% |
| usa-banner-guidance-ssl | 10% |
| usa-nav-secondary | 10% |
| usa-banner-button | 10% |
| usa-media_block-img | 10% |
| usa-banner-icon | 10% |
| usa-width-one-sixth | 10% |
| usa-banner-button-text | 10% |
| usa-footer-logo-heading | 9% |
| usa-site-navbar | 9% |
| usa-footer-big | 9% |
| usa-nav-secondary-links | 9% |
| usa-sidenav-list | 9% |
| usa-footer-big-secondary-section | 9% |
| usa-header-extended | 9% |
| usa-footer-slim-logo-img | 7% |
| usa-link-youtube | 7% |
| usa-nav-container | 7% |
| usa-sidenav-sub_list | 7% |
| usa-link-twitter | 7% |
| usa-button-unstyled | 7% |
| usa-button-primary | 7% |
| usa-link-facebook | 7% |
| usa-search-submit-text | 6% |
| usa-width-three-fourths | 6% |
| usa-button-list | 6% |
| usa-header-basic | 6% |
| usa-hero-callout | 6% |
| usa-sign_up-block | 4% |
| usa-external_link | 4% |
| usa-background-dark | 4% |
| usa-footer-contact_info | 4% |
| usa-search-big | 4% |
| usa-sign_up-header | 4% |
| usa-label | 4% |
| usa-link-instagram | 4% |
| usa-link-flickr | 4% |
| usa-current | 4% |
| usa-link-rss | 4% |
| usa-styleguide-footer | 4% |
| usa-button-gray | 4% |
| usa-megamenu | 3% |
| usa-header-search-button | 3% |
| usa-social-links | 3% |
| usa-megamenu-col | 3% |
| usa-section-dark | 3% |
| usa-hero-callout-alt | 3% |
| usa-graphic_list | 3% |
| usa-graphic_list-row | 3% |
| usa-alert-body | 3% |
| usa-section-light | 3% |
| usa-alert-warning | 3% |
| usa-display | 3% |
| usa-flag | 3% |
| usa-footer-circle-124 | 3% |
| usa-link-govdelivery | 3% |
| usa-hero-navbar | 3% |
| usa-alert-text | 3% |
| usa-gov | 3% |
| usa-alert | 3% |
| usa-header-logo-img | 3% |
| usa-alert-heading | 3% |
| usa-button-active | 3% |
| usa-button-primary-alt | 3% |
| usa-table-borderless | 3% |
| usa-end-row | 3% |
| usa-grid-one-half | 3% |
| usa-link-google | 3% |
| usa-text-small | 3% |
| usa-row | 1% |
| usa-width-one-half-top | 1% |
| usa-img-circle | 1% |
| usa-graphic-list-heading | 1% |
| usa-graphic-list-text | 1% |
| usa-intro-overview | 1% |
| usa-media | 1% |
| usa-media-img | 1% |
| usa-media-text | 1% |
| usa-no_margins | 1% |
| usa-section-alt | 1% |
| usa-fieldset-inputs | 1% |
| usa-color-text | 1% |
| usa-color-primary-darkest | 1% |
| usa-color-text-white | 1% |
| usa-fedramd-logo-background | 1% |
| usa-color-text-primary | 1% |
| usa-color-white | 1% |
| usa-color-text-gray | 1% |
| usa-date-of-birth | 1% |
| usa-datefield | 1% |
| usa-form-group | 1% |
| usa-form-group-month | 1% |
| usa-form-control | 1% |
| usa-form-group-day | 1% |
| usa-form-group-year | 1% |
| usa-button-disabled | 1% |
| usa-logo-title | 1% |
| usa-banner-link-top | 1% |
| usa-hero-callout--below | 1% |
| usa-hero-border | 1% |
| usa-button-small | 1% |
| usa-input-buttons-inline | 1% |
| usa-width-whole | 1% |
| usa-media_block | 1% |
| usa-heading | 1% |
| usa-content-list | 1% |
| usa-intro | 1% |
| usa-grid-- | 1% |
| usa-grid-one-third | 1% |
| usa-accordion-bordered | 1% |
| usa-header-dark | 1% |
| usa-header-basic-megamenu | 1% |
| usa-logo-main-text | 1% |
| usa-nav-dark | 1% |
| usa-hero-overlay | 1% |
| usa-graphic_list-mars | 1% |
| usa-graphic_list-aero | 1% |
| usa-graphic_list-facilities | 1% |
| usa-circle-block | 1% |
| usa-section-alt-bg | 1% |
| usa-grid-center | 1% |
| usa-disclaimer-text | 1% |
| usa-width-five-sixths | 1% |
| usa-button-dismiss | 1% |
| usa-color-gold | 1% |
| usa-one-whole | 1% |
| usa-width-shift-one | 1% |
| usa-width-short-one | 1% |
| usa-width-tablet | 1% |
| usa-whats-new | 1% |
| usa-button-hover | 1% |
| usa-button-focus | 1% |
| usa-banner-header__img | 1% |
| usa-leftcol | 1% |
| usa-topheader | 1% |
| usa-rss | 1% |
| usa-db | 1% |
| usa-tagline | 1% |
| usa-topright | 1% |
| usa-advsearch | 1% |
| usa-main-content | 1% |
| usa-subnav | 1% |
| usa-hometop | 1% |
| usa-noborder | 1% |
| usa-bluewebpart | 1% |
| usa-main-content-bottom | 1% |
| usa-layout-docs | 1% |
| usa-layout-docs-sidenav | 1% |
| usa-blog-sidenav-list | 1% |
| usa-layout-docs-main_content | 1% |
| usa-input-required | 1% |
| usa-hero-callout_base | 1% |
| usa-section-base | 1% |
| usa-footer-slim-logo-heading | 1% |
| usa-display-alt | 1% |
| usa-card--secondary-darkest | 1% |
| usa-card--rounded | 1% |
| usa-card_divider | 1% |
| usa-card_divider--secondary-darkest | 1% |
| usa-card_title | 1% |
| usa-card_section | 1% |
| usa-card--primary-darker | 1% |
| usa-card_divider--primary-darker | 1% |
| usa-footer-primary_section | 1% |
| usa-base | 1% |
| usa-disclaimer-official__img | 1% |
| usa-disclaimer-official__body | 1% |
| usa-accordion-- | 1% |
Usage represents the percentage of USWDS sites whose front page uses the class at least once.
Additionally, the following sites do not use any
classes that begin with usa-:
- Adobe Experience Manager (https://github.com/Adobe-Marketing-Cloud/adobe-digital-design-templates-for-government)
- ATF eRegs (https://atf-eregs.18f.gov/)
- Data Act Pilot (https://github.com/18F/data-act-pilot)
- Department of Defense (http://www.dodig.mil/)
- Digital Aquisitions Pilot Guide (https://github.com/presidential-innovation-fellows/dap-guide)
- EPA.gov (https://www.epa.gov/home/updates-epagovs-look)
- EPA eRegs Notice & Comment (https://epa-notice.usa.gov/)
- eCPIC Electronic Capital Planning and Investment Control System (https://www.ecpic.gov/)
- Farm Service Agency (https://github.com/USDA-FSA/fsa-design-system)
- Foster Youth Experience Map (https://github.com/presidential-innovation-fellows/fyem-jekyll)
- General Services Administration (https://gsa.gov)
- General Services Administration CTO website (https://github.com/GSA/cto-website)
- Mass.gov (http://www.mass.gov/)
- National Archives and Records Administration (https://archives.gov)
- NASA Web Style Guide (https://app.frontify.com/d/NZPXDvjOcz5x/nasa-web-style-guide)
- National Institute of Health (https://www.nih.gov/)
- Office of the Historian (https://history.state.gov/)
- Open FDA (https://open.fda.gov/)
- Social and Behavioral Sciences (https://sbst.gov/)
- TSA (https://www.tsa.gov/)
- US Interagency Council on Homelessness (https://www.usich.gov/)
- US Courts (http://www.uscourts.gov/)
- US Digital Service Playbook (https://playbook.cio.gov)
- USAID (https://www.usaid.gov/)
- United States Citizenship and Immigration Services (https://www.uscis.gov/)
- USDA Economic Research Service (http://www.ers.usda.gov/)
- USDA New Farmers (https://newfarmers.usda.gov/)
- USDS documentation website template (https://github.com/usds/uswds-docs-template)
- USGS Earthquake Hazards Program (http://earthquake.usgs.gov/theme/)
- Virtual Student Foreign Service (http://vsfs.state.gov/)
- We the People - Whitehouse Petitions (https://petitions.whitehouse.gov/)