| Used Operating Systems |
| 1 | 34690 | 51.62 | 317 | 2.85 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 12458 | 18.54 | 5036 | 45.34 | Windows NT |
| 3 | 5041 | 7.50 | 1425 | 12.83 | +http://www.google.com/bot.html |
| 4 | 3750 | 5.58 | 1176 | 10.59 | +http://www.bing.com/bingbot.htm |
| 5 | 1916 | 2.85 | 4 | 0.04 | http://crawler.sistrix.net/ |
| 6 | 1718 | 2.56 | 1458 | 13.13 | +http://www.baidu.com/search/spider.html |
| 7 | 1349 | 2.01 | 1 | 0.01 | +http://www.warebay.com/bot.html |
| 8 | 1170 | 1.74 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 9 | 1084 | 1.61 | 5 | 0.05 | +http://siteexplorer.info/ |
| 10 | 934 | 1.39 | 423 | 3.81 | +http://www.linkdex.com/about/bots/ |
| 11 | 528 | 0.79 | 323 | 2.91 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 12 | 417 | 0.62 | 194 | 1.75 | Windows 95 |
| 13 | 411 | 0.61 | 117 | 1.05 | +http://yandex.com/bots |
| 14 | 392 | 0.58 | 130 | 1.17 | ezooms.bot@gmail.com |
| 15 | 254 | 0.38 | 4 | 0.04 | crawler@unister.de |
| 16 | 249 | 0.37 | 84 | 0.76 | +http://www.exabot.com/go/robot |
| 17 | 124 | 0.18 | 38 | 0.34 | Windows 98 |
| 18 | 81 | 0.12 | 39 | 0.35 | X11 |
| 19 | 75 | 0.11 | 31 | 0.28 | +http://www.proximic.com/info/spider.php |
| 20 | 74 | 0.11 | 38 | 0.34 | MSIE 5.5; Windows NT 4.0 |
| 21 | 51 | 0.08 | 18 | 0.16 | Android 2.3.5 |
| 22 | 48 | 0.07 | 46 | 0.41 | MSIE 5.5; Windows 95 |
| 23 | 42 | 0.06 | 5 | 0.05 | +http://www.yunyun.com/spider.html |
| 24 | 36 | 0.05 | 4 | 0.04 | +http://www.semrush.com/bot.html |
| 25 | 33 | 0.05 | 27 | 0.24 | Auto; Windows |
| 26 | 31 | 0.05 | 22 | 0.20 | Windows 2000 |
| 27 | 31 | 0.05 | 25 | 0.23 | Windows 3.1 |
| 28 | 25 | 0.04 | 16 | 0.14 | Windows ME |
| 29 | 25 | 0.04 | 21 | 0.19 | MSIE 5.5; Windows NT 5.0 |
| 30 | 22 | 0.03 | 17 | 0.15 | ) - BrowseX (2.0.0 Windows |
| 31 | 20 | 0.03 | 18 | 0.16 | Windows CE |
| 32 | 20 | 0.03 | 3 | 0.03 | Windows XP |
| 33 | 19 | 0.03 | 9 | 0.08 | +http://www.netseer.com/crawler.html; cr... |
| 34 | 12 | 0.02 | 1 | 0.01 | +http://filterdb.iss.net/crawler/ |
| 35 | 10 | 0.01 | 5 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 36 | 8 | 0.01 | 4 | 0.04 | +http://wiki.github.com/bixo/bixo/bixocr... |
| 37 | 8 | 0.01 | 4 | 0.04 | http://www.botje.com/plukkie.htm |
| 38 | 8 | 0.01 | 4 | 0.04 | +http://help.coccoc.com/ |
| 39 | 8 | 0.01 | 4 | 0.04 | Linux i686 [unknown version] |
| 40 | 6 | 0.01 | 2 | 0.02 | +http://prlog.ru/ |
| 41 | 4 | 0.01 | 1 | 0.01 | +http://www.meanpath.com/meanpathbot.htm... |
| 42 | 3 | 0.00 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 43 | 3 | 0.00 | 0 | 0.00 | Linux 2.4.x |
| 44 | 2 | 0.00 | 0 | 0.00 | Macintosh PPC |
| 45 | 2 | 0.00 | 0 | 0.00 | Win32 |
| 46 | 2 | 0.00 | 2 | 0.02 | Intel Mac OS X |
| 47 | 2 | 0.00 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 48 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 49 | 2 | 0.00 | 2 | 0.02 | WinHttp.WinHttpRequest.5 |
| 50 | 2 | 0.00 | 2 | 0.02 | Intel Mac OS X 10.6 |
| 51 | 1 | 0.00 | 1 | 0.01 | J2ME/MIDP |
| 52 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X Mach-O |
