| Used Operating Systems |
| 1 | 19583 | 63.56 | 6685 | 71.39 | Windows NT |
| 2 | 5886 | 19.10 | 46 | 0.49 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1622 | 5.26 | 1543 | 16.48 | +http://www.baidu.com/search/spider.html |
| 4 | 671 | 2.18 | 9 | 0.10 | +http://siteexplorer.info/ |
| 5 | 518 | 1.68 | 216 | 2.31 | +http://www.bing.com/bingbot.htm |
| 6 | 516 | 1.67 | 120 | 1.28 | ezooms.bot@gmail.com |
| 7 | 398 | 1.29 | 47 | 0.50 | +http://yandex.com/bots |
| 8 | 245 | 0.80 | 96 | 1.03 | ) - BrowseX (2.0.0 Windows |
| 9 | 233 | 0.76 | 177 | 1.89 | Windows 95 |
| 10 | 196 | 0.64 | 54 | 0.58 | +http://www.google.com/bot.html |
| 11 | 178 | 0.58 | 55 | 0.59 | Windows 98 |
| 12 | 128 | 0.42 | 40 | 0.43 | X11 |
| 13 | 74 | 0.24 | 2 | 0.02 | +http://www.aihit.com/ |
| 14 | 62 | 0.20 | 17 | 0.18 | Android 2.3.5 |
| 15 | 58 | 0.19 | 2 | 0.02 | +http://www.seoprofiler.com/bot |
| 16 | 53 | 0.17 | 16 | 0.17 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 17 | 46 | 0.15 | 23 | 0.25 | +http://help.coccoc.com/ |
| 18 | 45 | 0.15 | 10 | 0.11 | Windows XP |
| 19 | 41 | 0.13 | 27 | 0.29 | Windows ME |
| 20 | 40 | 0.13 | 31 | 0.33 | Windows 2000 |
| 21 | 36 | 0.12 | 34 | 0.36 | MSIE 5.5; Windows NT 5.0 |
| 22 | 34 | 0.11 | 31 | 0.33 | MSIE 5.5; Windows NT 4.0 |
| 23 | 30 | 0.10 | 1 | 0.01 | http://www.dataprovider.com/ |
| 24 | 28 | 0.09 | 25 | 0.27 | Windows CE |
| 25 | 28 | 0.09 | 22 | 0.23 | Windows 3.1 |
| 26 | 21 | 0.07 | 17 | 0.18 | Auto; Windows |
| 27 | 6 | 0.02 | 3 | 0.03 | http://crawler.sistrix.net/ |
| 28 | 6 | 0.02 | 4 | 0.04 | +http://www.semrush.com/bot.html |
| 29 | 4 | 0.01 | 1 | 0.01 | +http://endb-consolidated.aihit.com/ |
| 30 | 4 | 0.01 | 2 | 0.02 | +http://www.linkdex.com/about/bots/ |
| 31 | 4 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 3 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
| 33 | 2 | 0.01 | 0 | 0.00 | Win32 |
| 34 | 2 | 0.01 | 2 | 0.02 | J2ME/MIDP |
| 35 | 2 | 0.01 | 1 | 0.01 | +http://www.compspy.com/spider.html |
| 36 | 2 | 0.01 | 1 | 0.01 | +info@netcraft.com |
| 37 | 1 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 38 | 1 | 0.00 | 1 | 0.01 | iPhone |
| 39 | 1 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 40 | 1 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 41 | 1 | 0.00 | 1 | 0.01 | compatible |
| 42 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
