| Used Operating Systems |
| 1 | 2316 | 17.90 | 1190 | 18.18 | Windows NT |
| 2 | 2094 | 16.18 | 2049 | 31.31 | +http://www.baidu.com/search/spider.html |
| 3 | 1752 | 13.54 | 1006 | 15.37 | +http://www.google.com/bot.html |
| 4 | 1164 | 9.00 | 794 | 12.13 | +http://www.easou.com/search/spider.html |
| 5 | 764 | 5.90 | 470 | 7.18 | +http://www.bing.com/bingbot.htm |
| 6 | 722 | 5.58 | 1 | 0.02 | +http://stopbadware |
| 7 | 574 | 4.44 | 332 | 5.07 | +http://ahrefs.com/robot/ |
| 8 | 455 | 3.52 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 9 | 454 | 3.51 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 10 | 432 | 3.34 | 1 | 0.02 | http://crawler.007ac9.net/ |
| 11 | 421 | 3.25 | 195 | 2.98 | http://help.yahoo.com/help/us/ysearch/sl... |
| 12 | 371 | 2.87 | 154 | 2.35 | http://www.opensiteexplorer.org/dotbot, ... |
| 13 | 319 | 2.47 | 99 | 1.51 | +http://yandex.com/bots |
| 14 | 247 | 1.91 | 125 | 1.91 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 233 | 1.80 | 2 | 0.03 | +http://www.warebay.com/bot.html |
| 16 | 233 | 1.80 | 27 | 0.41 | http://www.majestic12.co.uk/bot.php?+ |
| 17 | 102 | 0.79 | 3 | 0.05 | http://www.lipperhey.com/ |
| 18 | 99 | 0.77 | 48 | 0.73 | +http://www.linkdex.com/bots/ |
| 19 | 63 | 0.49 | 7 | 0.11 | http://www.searchmetrics.com/en/searchme... |
| 20 | 35 | 0.27 | 1 | 0.02 | +http://siteexplorer.info/ |
| 21 | 29 | 0.22 | 16 | 0.24 | +http://www.exabot.com/go/robot |
| 22 | 14 | 0.11 | 6 | 0.09 | +http://fulltext.sblog.cz/ |
| 23 | 7 | 0.05 | 3 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 24 | 6 | 0.05 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 25 | 4 | 0.03 | 2 | 0.03 | +http://www.meanpath.com/meanpathbot.htm... |
| 26 | 3 | 0.02 | 1 | 0.02 | +http://getdownload.ws |
| 27 | 3 | 0.02 | 2 | 0.03 | +info@netcraft.com |
| 28 | 3 | 0.02 | 1 | 0.02 | +http://inload.in |
| 29 | 3 | 0.02 | 1 | 0.02 | +http://overx50.com/ |
| 30 | 2 | 0.02 | 0 | 0.00 | documents; +http://docs.google.com |
| 31 | 2 | 0.02 | 0 | 0.00 | J2ME/MIDP |
| 32 | 2 | 0.02 | 1 | 0.02 | http://crawler.sistrix.net/ |
| 33 | 2 | 0.02 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 34 | 2 | 0.02 | 2 | 0.03 | Windows 98 |
| 35 | 1 | 0.01 | 0 | 0.00 | http://desktop.google.com/ |
| 36 | 1 | 0.01 | 0 | 0.00 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 37 | 1 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 38 | 1 | 0.01 | 1 | 0.02 | Windows 95 |
| 39 | 1 | 0.01 | 0 | 0.00 | X11 |
| 40 | 1 | 0.01 | 1 | 0.02 | Linux i686 [unknown version] |
| 41 | 1 | 0.01 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 42 | 1 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
