| Used Operating Systems |
| 1 | 694 | 18.68 | 224 | 22.22 | +http://www.bing.com/bingbot.htm |
| 2 | 688 | 18.52 | 146 | 14.48 | +http://www.google.com/bot.html |
| 3 | 672 | 18.09 | 251 | 24.90 | Windows NT |
| 4 | 577 | 15.53 | 16 | 1.59 | http://mj12bot.com/ |
| 5 | 381 | 10.26 | 7 | 0.69 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 229 | 6.16 | 98 | 9.72 | +http://ahrefs.com/robot/ |
| 7 | 211 | 5.68 | 193 | 19.15 | +http://www.baidu.com/search/spider.html |
| 8 | 121 | 3.26 | 15 | 1.49 | +http://yandex.com/bots |
| 9 | 55 | 1.48 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 10 | 14 | 0.38 | 14 | 1.39 | Windows 95 |
| 11 | 12 | 0.32 | 4 | 0.40 | +http://www.linkdex.com/bots/ |
| 12 | 12 | 0.32 | 3 | 0.30 | +http://OpenLinkProfiler.org/bot |
| 13 | 12 | 0.32 | 11 | 1.09 | Windows 98 |
| 14 | 9 | 0.24 | 1 | 0.10 | +spider@seoscanners.net |
| 15 | 4 | 0.11 | 4 | 0.40 | Auto; Windows |
| 16 | 4 | 0.11 | 2 | 0.20 | Windows XP |
| 17 | 3 | 0.08 | 3 | 0.30 | Windows 2000 |
| 18 | 3 | 0.08 | 3 | 0.30 | MSIE 5.5; Windows NT 5.0 |
| 19 | 3 | 0.08 | 3 | 0.30 | Windows 3.1 |
| 20 | 2 | 0.05 | 2 | 0.20 | Windows CE |
| 21 | 2 | 0.05 | 1 | 0.10 | http://help.yahoo.com/help/us/ysearch/sl... |
| 22 | 2 | 0.05 | 2 | 0.20 | Linux [unknown version] |
| 23 | 2 | 0.05 | 2 | 0.20 | ) - BrowseX (2.0.0 Windows |
| 24 | 1 | 0.03 | 1 | 0.10 | Windows ME |
| 25 | 1 | 0.03 | 1 | 0.10 | MSIE 5.5; Windows NT 4.0 |
| 26 | 1 | 0.03 | 1 | 0.10 | +info@netcraft.com |