Official websites use .gov A .gov website belongs to an official government organization in the United States. Secure .gov websites use HTTPS A lock ( Locked padlock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
![Usability](https://cdn-ak-scissors.b.st-hatena.com/image/square/8efe345c981dc9ead4c8371d0a6c18f6e9559d98/height=288;version=1;width=512/https%3A%2F%2Fs3.amazonaws.com%2Fdigitalgov%2Ftopics-og-primary-image.jpg)