| Used Operating Systems |
| 1 | 7814 | 32.13 | 398 | 21.41 | Windows NT |
| 2 | 6811 | 28.00 | 232 | 12.48 | +http://ahrefs.com/robot/ |
| 3 | 2040 | 8.39 | 6 | 0.32 | +http://OpenLinkProfiler.org/bot |
| 4 | 1844 | 7.58 | 151 | 8.12 | http://www.opensiteexplorer.org/dotbot, ... |
| 5 | 1433 | 5.89 | 71 | 3.82 | http://mj12bot.com/ |
| 6 | 1053 | 4.33 | 416 | 22.38 | +http://www.baidu.com/search/spider.html |
| 7 | 592 | 2.43 | 86 | 4.63 | +http://yandex.com/bots |
| 8 | 498 | 2.05 | 21 | 1.13 | +http://www.lumtel.com/bot/ |
| 9 | 485 | 1.99 | 139 | 7.48 | +http://www.linkdex.com/bots/ |
| 10 | 311 | 1.28 | 82 | 4.41 | +http://www.google.com/bot.html |
| 11 | 204 | 0.84 | 48 | 2.58 | +http://www.bing.com/bingbot.htm |
| 12 | 176 | 0.72 | 0 | 0.00 | Windows 95 |
| 13 | 172 | 0.71 | 41 | 2.21 | +http://www.semrush.com/bot.html |
| 14 | 147 | 0.60 | 1 | 0.05 | Windows 98 |
| 15 | 81 | 0.33 | 75 | 4.03 | +http://www.uptime.com/uptimebot |
| 16 | 67 | 0.28 | 8 | 0.43 | http://help.yahoo.com/help/us/ysearch/sl... |
| 17 | 66 | 0.27 | 2 | 0.11 | +http://filterdb.iss.net/crawler/ |
| 18 | 62 | 0.25 | 10 | 0.54 | +http://siteexplorer.info/Backlink-Check... |
| 19 | 47 | 0.19 | 12 | 0.65 | +http://www.exabot.com/go/robot |
| 20 | 38 | 0.16 | 0 | 0.00 | Windows CE |
| 21 | 38 | 0.16 | 0 | 0.00 | ) - BrowseX (2.0.0 Windows |
| 22 | 30 | 0.12 | 0 | 0.00 | Auto; Windows |
| 23 | 29 | 0.12 | 3 | 0.16 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 24 | 27 | 0.11 | 0 | 0.00 | Windows XP |
| 25 | 27 | 0.11 | 3 | 0.16 | +http://www.seokicks.de/robot.html |
| 26 | 27 | 0.11 | 0 | 0.00 | MSIE 5.5; Windows NT 4.0 |
| 27 | 26 | 0.11 | 0 | 0.00 | Windows 2000 |
| 28 | 26 | 0.11 | 0 | 0.00 | Windows 3.1 |
| 29 | 23 | 0.09 | 0 | 0.00 | MSIE 5.5; Windows NT 5.0 |
| 30 | 22 | 0.09 | 2 | 0.11 | +http://napoveda.seznam.cz/en/seznambot-... |
| 31 | 20 | 0.08 | 0 | 0.00 | Windows ME |
| 32 | 19 | 0.08 | 18 | 0.97 | +http://tiod.ru |
| 33 | 18 | 0.07 | 17 | 0.91 | +http://megogoserial.ru |
| 34 | 18 | 0.07 | 6 | 0.32 | +http://www.findxbot.com |
| 35 | 8 | 0.03 | 4 | 0.22 | +http://sur.ly/bot.html |
| 36 | 4 | 0.02 | 2 | 0.11 | Mail.RU_Bot/Robots/2.0; +http://go.mail.... |
| 37 | 4 | 0.02 | 0 | 0.00 | +http://cs.daum.net/faq/15/4118.html?faq... |
| 38 | 4 | 0.02 | 2 | 0.11 | +http://seocharger.com/robot |
| 39 | 4 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 40 | 2 | 0.01 | 2 | 0.11 | +info@netcraft.com |
| 41 | 2 | 0.01 | 1 | 0.05 | +http://nlp.fi.muni.cz/projects/biwec/ |
| 42 | 1 | 0.00 | 0 | 0.00 | Windows 9x |
| 43 | 1 | 0.00 | 0 | 0.00 | Macintosh |
| 44 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
