impact: is the official web portal of the United States federal government. It is designed to improve the public's interaction with the United States government by quickly directing website visitors to the services or information they are seeking, and by inviting the public to share ideas to improve government. links to every federal agency and to state, local, and tribal governments, and is the most comprehensive site in—and about—the United States government. While the primary target audience of is the American public, about 25 percent of's visitors come from outside the United States. More information...

The website is placed before and after in the BestRef global ranking of the most important sources of Wikipedia.

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