Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
WCAG 2.1 conformance levels
| Conformance levels | Description | Symbol |
|---|---|---|
| A | The web page satisfies Level A success criteria. This is the minimum level of conformance |
|
| AA | The web page satisfies Level A and Level AA success criteria |
|
| AAA | The web page satisfies Level A, Level AA, and Level AAA success criteria |
|
