| Used Operating Systems |
| 1 | 13168 | 49.16 | 194 | 3.35 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4247 | 15.86 | 2047 | 35.34 | Windows NT |
| 3 | 2688 | 10.04 | 1445 | 24.94 | +http://ahrefs.com/robot/ |
| 4 | 2218 | 8.28 | 4 | 0.07 | +http://OpenLinkProfiler.org/bot |
| 5 | 1699 | 6.34 | 726 | 12.53 | +http://www.google.com/bot.html |
| 6 | 1105 | 4.13 | 217 | 3.75 | +http://yandex.com/bots |
| 7 | 872 | 3.26 | 814 | 14.05 | +http://www.baidu.com/search/spider.html |
| 8 | 299 | 1.12 | 97 | 1.67 | +http://www.linkdex.com/bots/ |
| 9 | 296 | 1.11 | 149 | 2.57 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 109 | 0.41 | 44 | 0.76 | +http://www.bing.com/bingbot.htm |
| 11 | 16 | 0.06 | 16 | 0.28 | +http://www.200please.com/bot |
| 12 | 12 | 0.04 | 6 | 0.10 | +http://help.coccoc.com/ |
| 13 | 10 | 0.04 | 5 | 0.09 | +http://www.meanpath.com/meanpathbot.htm... |
| 14 | 8 | 0.03 | 8 | 0.14 | Windows 95 |
| 15 | 8 | 0.03 | 2 | 0.03 | +http://downloadg5.com |
| 16 | 6 | 0.02 | 2 | 0.03 | http://filterdb.iss.net/crawler/ |
| 17 | 4 | 0.01 | 2 | 0.03 | +http://gimme60.com |
| 18 | 3 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 19 | 3 | 0.01 | 1 | 0.02 | X11 |
| 20 | 2 | 0.01 | 2 | 0.03 | Windows CE |
| 21 | 2 | 0.01 | 1 | 0.02 | Windows XP |
| 22 | 2 | 0.01 | 2 | 0.03 | Linux i686 [unknown version] |
| 23 | 2 | 0.01 | 1 | 0.02 | Windows 3.1 |
| 24 | 2 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 25 | 2 | 0.01 | 1 | 0.02 | +http://advbot.org/bot.html |
| 26 | 1 | 0.00 | 1 | 0.02 | http://www.lipperhey.com/ |
| 27 | 1 | 0.00 | 1 | 0.02 | +; |
| 28 | 1 | 0.00 | 1 | 0.02 | Windows 98 |
