| Used Operating Systems |
| 1 | 4609 | 35.15 | 547 | 29.66 | Windows NT |
| 2 | 1886 | 14.38 | 68 | 3.69 | http://mj12bot.com/ |
| 3 | 1717 | 13.10 | 490 | 26.57 | +http://ahrefs.com/robot/ |
| 4 | 1398 | 10.66 | 18 | 0.98 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 908 | 6.93 | 102 | 5.53 | +http://www.google.com/bot.html |
| 6 | 785 | 5.99 | 106 | 5.75 | +http://yandex.com/bots |
| 7 | 548 | 4.18 | 173 | 9.38 | +http://www.baidu.com/search/spider.html |
| 8 | 318 | 2.43 | 83 | 4.50 | +http://www.linkdex.com/bots/ |
| 9 | 276 | 2.11 | 96 | 5.21 | +http://www.bing.com/bingbot.htm |
| 10 | 143 | 1.09 | 3 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 11 | 85 | 0.65 | 28 | 1.52 | Windows XP |
| 12 | 75 | 0.57 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 13 | 57 | 0.43 | 28 | 1.52 | Windows 95 |
| 14 | 49 | 0.37 | 29 | 1.57 | Windows 98 |
| 15 | 47 | 0.36 | 5 | 0.27 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 36 | 0.27 | 4 | 0.22 | +http://OpenLinkProfiler.org/bot |
| 17 | 19 | 0.14 | 8 | 0.43 | Windows 3.1 |
| 18 | 18 | 0.14 | 9 | 0.49 | Auto; Windows |
| 19 | 18 | 0.14 | 0 | 0.00 | +http://www.xovibot.net/ |
| 20 | 16 | 0.12 | 9 | 0.49 | Windows CE |
| 21 | 14 | 0.11 | 7 | 0.38 | +http://duckduckgo.com |
| 22 | 13 | 0.10 | 6 | 0.33 | ) - BrowseX (2.0.0 Windows |
| 23 | 12 | 0.09 | 7 | 0.38 | +http://8pw.ru/virus |
| 24 | 12 | 0.09 | 6 | 0.33 | MSIE 5.5; Windows NT 4.0 |
| 25 | 10 | 0.08 | 0 | 0.00 | +http://help.coccoc.com/searchengine |
| 26 | 8 | 0.06 | 3 | 0.16 | Windows ME |
| 27 | 8 | 0.06 | 1 | 0.05 | +http://www.profound.net/domainappender |
| 28 | 6 | 0.05 | 2 | 0.11 | Windows 2000 |
| 29 | 5 | 0.04 | 1 | 0.05 | crawler@mixrank.com |
| 30 | 5 | 0.04 | 3 | 0.16 | MSIE 5.5; Windows NT 5.0 |
| 31 | 4 | 0.03 | 1 | 0.05 | +http://filterdb.iss.net/crawler/ |
| 32 | 4 | 0.03 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 33 | 2 | 0.02 | 1 | 0.05 | +info@netcraft.com |
