| Used Operating Systems by Visits |
| 1 | 3136 | 8.09 | 2668 | 37.49 | +http://www.baidu.com/search/spider.html |
| 2 | 4820 | 12.44 | 2164 | 30.41 | Windows NT |
| 3 | 22833 | 58.92 | 354 | 4.97 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 608 | 1.57 | 309 | 4.34 | +http://www.bing.com/bingbot.htm |
| 5 | 1355 | 3.50 | 287 | 4.03 | +http://www.google.com/bot.html |
| 6 | 2011 | 5.19 | 265 | 3.72 | +http://yandex.com/bots |
| 7 | 1802 | 4.65 | 229 | 3.22 | +http://ahrefs.com/robot/ |
| 8 | 311 | 0.80 | 217 | 3.05 | +http://www.linkdex.com/bots/ |
| 9 | 644 | 1.66 | 165 | 2.32 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 497 | 1.28 | 125 | 1.76 | http://www.opensiteexplorer.org/dotbot, ... |
| 11 | 133 | 0.34 | 89 | 1.25 | Windows 95 |
| 12 | 22 | 0.06 | 18 | 0.25 | Windows CE |
| 13 | 21 | 0.05 | 18 | 0.25 | ) - BrowseX (2.0.0 Windows |
| 14 | 25 | 0.06 | 18 | 0.25 | MSIE 5.5; Windows NT 4.0 |
| 15 | 20 | 0.05 | 17 | 0.24 | Windows 3.1 |
| 16 | 21 | 0.05 | 17 | 0.24 | MSIE 5.5; Windows NT 5.0 |
| 17 | 20 | 0.05 | 16 | 0.22 | Windows 2000 |
| 18 | 38 | 0.10 | 15 | 0.21 | +http://fulltext.sblog.cz/ |
| 19 | 16 | 0.04 | 14 | 0.20 | Auto; Windows |
| 20 | 20 | 0.05 | 14 | 0.20 | Windows ME |
| 21 | 35 | 0.09 | 14 | 0.20 | +http://www.exabot.com/go/robot |
| 22 | 24 | 0.06 | 12 | 0.17 | +http://www.meanpath.com/meanpathbot.htm... |
| 23 | 84 | 0.22 | 11 | 0.15 | Windows 98 |
| 24 | 72 | 0.19 | 8 | 0.11 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 25 | 7 | 0.02 | 7 | 0.10 | +http://www.easou.com/search/spider.html |
| 26 | 6 | 0.02 | 6 | 0.08 | Linux [unknown version] |
| 27 | 7 | 0.02 | 6 | 0.08 | +info@netcraft.com |
| 28 | 5 | 0.01 | 5 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 29 | 8 | 0.02 | 4 | 0.06 | http://crawler.sistrix.net/ |
| 30 | 12 | 0.03 | 4 | 0.06 | +http://mydownloadengine.com |
| 31 | 3 | 0.01 | 3 | 0.04 | +http://fb02itsscan.fh-muenster.de |
| 32 | 6 | 0.02 | 3 | 0.04 | +http://botw.org |
| 33 | 14 | 0.04 | 2 | 0.03 | +http://www.linkpad.ru |
| 34 | 4 | 0.01 | 2 | 0.03 | +http://wmaid.com/explore/ |
| 35 | 20 | 0.05 | 2 | 0.03 | +http://endb-consolidated.aihit.com/ |
| 36 | 10 | 0.03 | 1 | 0.01 | http://help.yahoo.com/help/us/ysearch/sl... |
| 37 | 24 | 0.06 | 1 | 0.01 | +http://help.coccoc.com/ |
| 38 | 37 | 0.10 | 1 | 0.01 | Windows XP |
| 39 | 10 | 0.03 | 1 | 0.01 | +http://OpenLinkProfiler.org/bot |
| 40 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
| 41 | 1 | 0.00 | 1 | 0.01 | +http://www.xovibot.net/ |
| 42 | 1 | 0.00 | 1 | 0.01 | +http://stopbadware |
| 43 | 3 | 0.01 | 1 | 0.01 | +http://inload.me |
| 44 | 2 | 0.01 | 0 | 0.00 | Linux 2.4.x |
| 45 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 46 | 2 | 0.01 | 0 | 0.00 | +http://siteexplorer.info/ |
| 47 | 2 | 0.01 | 0 | 0.00 | PPC Mac OS X Mach-O |
