Top ten US website in Alexa

Today I visited Alexa and found the Top ten US website. The following are the list of the top 10 United State website.

1. Google : Global Rank 1, Rank in US 1, Backlink 4,501,407.
2. Facebook : Global Rank 2, Rank in US 2, Backlink 6,214,303.
3. YouTube : Global Rank 3, Rank in US 3, Backlink 2,996,417.
4. Yahoo! : Global Rank 4, Rank in US 4, Backlink 1,926,296 .
5. Amazon :Global Rank 11, Rank in US 5, Backlink 1,116,199 .
6. eBay :Global Rank 20, Rank in US 6, Backlink 252,266 .
7. Wikipedia :Global Rank 6, Rank in US 7, Backlink 1,967,893 .
8. Twitter :Global Rank 9, Rank in US 8, Backlink 5,239,373 .
9. Blogspot.com :Global Rank 7, Rank in US 9, Backlink 1,803,099 .
10. Windows Live :Global Rank 8, Rank in US 10, Backlink 181,566 .