| Used Operating Systems |
| 1 | 2123 | 25.82 | 4 | 0.43 | +http://OpenLinkProfiler.org/bot |
| 2 | 1248 | 15.18 | 112 | 12.00 | +http://ahrefs.com/robot/ |
| 3 | 1040 | 12.65 | 5 | 0.54 | +http://www.warebay.com/bot.html |
| 4 | 850 | 10.34 | 234 | 25.08 | Windows NT |
| 5 | 828 | 10.07 | 126 | 13.50 | +http://www.google.com/bot.html |
| 6 | 758 | 9.22 | 34 | 3.64 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 433 | 5.27 | 38 | 4.07 | +http://www.bing.com/bingbot.htm |
| 8 | 294 | 3.58 | 265 | 28.40 | +http://www.baidu.com/search/spider.html |
| 9 | 235 | 2.86 | 30 | 3.22 | +http://yandex.com/bots |
| 10 | 128 | 1.56 | 4 | 0.43 | http://mj12bot.com/ |
| 11 | 104 | 1.26 | 0 | 0.00 | http://www.majestic12.co.uk/bot.php?+ |
| 12 | 38 | 0.46 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 13 | 31 | 0.38 | 1 | 0.11 | +http://filterdb.iss.net/crawler/ |
| 14 | 26 | 0.32 | 10 | 1.07 | +http://www.linkdex.com/bots/ |
| 15 | 21 | 0.26 | 12 | 1.29 | Windows 98 |
| 16 | 13 | 0.16 | 13 | 1.39 | Windows 95 |
| 17 | 8 | 0.10 | 1 | 0.11 | crawler@mixrank.com |
| 18 | 8 | 0.10 | 7 | 0.75 | Windows 2000 |
| 19 | 7 | 0.09 | 7 | 0.75 | ) - BrowseX (2.0.0 Windows |
| 20 | 6 | 0.07 | 6 | 0.64 | Windows 3.1 |
| 21 | 6 | 0.07 | 6 | 0.64 | MSIE 5.5; Windows NT 5.0 |
| 22 | 5 | 0.06 | 5 | 0.54 | Windows ME |
| 23 | 3 | 0.04 | 3 | 0.32 | Windows CE |
| 24 | 3 | 0.04 | 3 | 0.32 | Auto; Windows |
| 25 | 3 | 0.04 | 3 | 0.32 | Windows XP |
| 26 | 2 | 0.02 | 2 | 0.21 | MSIE 5.5; Windows NT 4.0 |
| 27 | 2 | 0.02 | 2 | 0.21 | +info@netcraft.com |
