platform-guideline checked

Federal website standards: Federal government banner

Documents the federal government banner as a top-of-every-page official identity standard with U.S. flag, official-site text, and .gov or .mil plus HTTPS explanation.

Open source

Pattern Decisions This Source Supports

Pattern Supported decision Required contract Claim note
Official-site banner Choose official-site banner when a page is eligible to claim official government or public-authority identity and users need to verify domain and secure connection status. The banner appears before the header, service navigation, site alerts, notification banners, and main content. Supports top-of-every-page federal banner standard and required U.S. flag, official-site, domain, and HTTPS elements.

Evidence Role

This source is treated as platform-guideline evidence. Use it to validate the decision rules above, not as a visual style reference.

Publisher: Digital.gov. Last checked: .