Nielsen//NetRatings published the list of top Web parent companies in January 2006.
| Top 10 Web parent companies in January 2006 | ||
| Web company | Audience, 000 | Time spent |
| Microsoft | 117,257 | 2:25:02 |
| 111,526 | 1:24:55 | |
| Yahoo! | 106,071 | 3:27:51 |
| Time Warner | 105,080 | 4:45:36 |
| News Corp. | 71,116 | 1:44:17 |
| eBay | 69,605 | 1:51:36 |
| InterActiveCorp | 58,815 | 0:27:50 |
| Amazon | 53,730 | 0:23:26 |
| Walt Disney | 45,071 | 0:33:17 |
| Wikimedia | 43,511 | 0:19:35 |
| Source: Nielsen//NetRatings | ||