- Google : 1,600,000,000 – Estimated Unique Monthly Visitors
- Facebook : 1,100,000,000 – Estimated Unique Monthly Visitors
- YouTube : 1,100,000,000 – Estimated Unique Monthly Visitors
- Yahoo! : 750,000,000 – Estimated Unique Monthly Visitor
- Amazon : 500,000,000 – Estimated Unique Monthly Visitor
- Wikipedia : 475,000,000 – Estimated Unique Monthly Visitors
- Twitter : 290,000,000 – Estimated Unique Monthly Visitors
- Bing : 285,000,000 – Estimated Unique Monthly Visitors
- eBay : 285,000,000 – Estimated Unique Monthly Visitors
- MSN : 280,000,000 – Estimated Unique Monthly Visitors
- Microsoft : 270,000,000 – Estimated Unique Monthly Visitors
- LinkedIn : 260,000,000 – Estimated Unique Monthly Visitors
- Pinterest : 250,000,000 – Estimated Unique Monthly Visitors
- Ask : 245,000,000 – Estimated Unique Monthly Visitor
- WordPress : 240,000,000 – Estimated Unique Monthly Visitors