| Used Operating Systems |
| 1 | 18489 | 68.66 | 5289 | 58.45 | Windows NT |
| 2 | 3008 | 11.17 | 2637 | 29.14 | +http://www.baidu.com/search/spider.html |
| 3 | 2226 | 8.27 | 39 | 0.43 | +http://yandex.com/bots |
| 4 | 1094 | 4.06 | 159 | 1.76 | +http://www.google.com/bot.html |
| 5 | 555 | 2.06 | 177 | 1.96 | +http://www.bing.com/bingbot.htm |
| 6 | 283 | 1.05 | 196 | 2.17 | Windows 95 |
| 7 | 220 | 0.82 | 57 | 0.63 | Windows 98 |
| 8 | 127 | 0.47 | 29 | 0.32 | ezooms.bot@gmail.com |
| 9 | 110 | 0.41 | 33 | 0.36 | X11 |
| 10 | 78 | 0.29 | 40 | 0.44 | +http://help.coccoc.com/ |
| 11 | 58 | 0.22 | 7 | 0.08 | Windows XP |
| 12 | 56 | 0.21 | 42 | 0.46 | MSIE 5.5; Windows NT 5.0 |
| 13 | 55 | 0.20 | 43 | 0.48 | ) - BrowseX (2.0.0 Windows |
| 14 | 53 | 0.20 | 44 | 0.49 | Windows 2000 |
| 15 | 51 | 0.19 | 43 | 0.48 | MSIE 5.5; Windows NT 4.0 |
| 16 | 50 | 0.19 | 40 | 0.44 | Windows CE |
| 17 | 50 | 0.19 | 12 | 0.13 | Android 2.3.5 |
| 18 | 46 | 0.17 | 16 | 0.18 | +http://www.exabot.com/go/robot |
| 19 | 36 | 0.13 | 28 | 0.31 | Auto; Windows |
| 20 | 35 | 0.13 | 26 | 0.29 | Windows 3.1 |
| 21 | 33 | 0.12 | 25 | 0.28 | Windows ME |
| 22 | 30 | 0.11 | 9 | 0.10 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 23 | 24 | 0.09 | 12 | 0.13 | http://crawler.sistrix.net/ |
| 24 | 20 | 0.07 | 8 | 0.09 | http://www.majestic12.co.uk/bot.php?+ |
| 25 | 17 | 0.06 | 12 | 0.13 | +http://help.soso.com/webspider.htm |
| 26 | 16 | 0.06 | 4 | 0.04 | +http://filterdb.iss.net/crawler/ |
| 27 | 16 | 0.06 | 2 | 0.02 | Linux i686 [unknown version] |
| 28 | 14 | 0.05 | 2 | 0.02 | Intel Mac OS X 10.6 |
| 29 | 12 | 0.04 | 2 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 30 | 8 | 0.03 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 31 | 8 | 0.03 | 2 | 0.02 | +http://www.meanpath.com/meanpathbot.htm... |
| 32 | 6 | 0.02 | 0 | 0.00 | Win32 |
| 33 | 6 | 0.02 | 2 | 0.02 | +http://www.aihit.com/ |
| 34 | 6 | 0.02 | 1 | 0.01 | +http://www.seoprofiler.com/bot |
| 35 | 6 | 0.02 | 1 | 0.01 | +http://siteexplorer.info/ |
| 36 | 4 | 0.01 | 1 | 0.01 | Linux [unknown version] |
| 37 | 4 | 0.01 | 2 | 0.02 | +http://www.yunyun.com/spider.html |
| 38 | 3 | 0.01 | 1 | 0.01 | +http://prlog.ru/ |
| 39 | 3 | 0.01 | 2 | 0.02 | +info@netcraft.com |
| 40 | 2 | 0.01 | 2 | 0.02 | J2ME/MIDP |
| 41 | 2 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 42 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 43 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 44 | 2 | 0.01 | 1 | 0.01 | +http://www.profound.net/urlappendbot.ht... |
| 45 | 1 | 0.00 | 1 | 0.01 | iPhone |
| 46 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
