| Used Operating Systems |
| 1 | 9363 | 40.49 | 4387 | 66.21 | Windows NT |
| 2 | 7913 | 34.22 | 165 | 2.49 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1184 | 5.12 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 4 | 725 | 3.13 | 185 | 2.79 | +http://www.bing.com/bingbot.htm |
| 5 | 720 | 3.11 | 285 | 4.30 | +http://ahrefs.com/robot/ |
| 6 | 441 | 1.91 | 201 | 3.03 | +http://www.google.com/bot.html |
| 7 | 353 | 1.53 | 188 | 2.84 | http://help.yahoo.com/help/us/ysearch/sl... |
| 8 | 291 | 1.26 | 69 | 1.04 | +http://yandex.com/bots |
| 9 | 287 | 1.24 | 87 | 1.31 | +http://www.linkdex.com/bots/ |
| 10 | 271 | 1.17 | 209 | 3.15 | +http://www.baidu.com/search/spider.html |
| 11 | 264 | 1.14 | 192 | 2.90 | Windows 95 |
| 12 | 207 | 0.90 | 44 | 0.66 | Windows 98 |
| 13 | 109 | 0.47 | 84 | 1.27 | +http://www.xovibot.net/ |
| 14 | 102 | 0.44 | 41 | 0.62 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 15 | 94 | 0.41 | 19 | 0.29 | Linux [unknown version] |
| 16 | 72 | 0.31 | 48 | 0.72 | Linux i686 [unknown version] |
| 17 | 61 | 0.26 | 53 | 0.80 | MSIE 5.5; Windows NT 5.0 |
| 18 | 60 | 0.26 | 46 | 0.69 | Windows 3.1 |
| 19 | 56 | 0.24 | 5 | 0.08 | Windows XP |
| 20 | 56 | 0.24 | 41 | 0.62 | Windows ME |
| 21 | 51 | 0.22 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 22 | 50 | 0.22 | 1 | 0.02 | +http://advbot.org/bot.html |
| 23 | 48 | 0.21 | 42 | 0.63 | ) - BrowseX (2.0.0 Windows |
| 24 | 44 | 0.19 | 42 | 0.63 | Windows CE |
| 25 | 44 | 0.19 | 43 | 0.65 | MSIE 5.5; Windows NT 4.0 |
| 26 | 38 | 0.16 | 38 | 0.57 | Windows 2000 |
| 27 | 38 | 0.16 | 18 | 0.27 | +http://duckduckgo.com |
| 28 | 32 | 0.14 | 27 | 0.41 | Auto; Windows |
| 29 | 25 | 0.11 | 14 | 0.21 | X11 |
| 30 | 24 | 0.10 | 9 | 0.14 | +http://www.exabot.com/go/robot |
| 31 | 18 | 0.08 | 6 | 0.09 | +http://www.profound.net/domainappender |
| 32 | 14 | 0.06 | 7 | 0.11 | Win32 |
| 33 | 14 | 0.06 | 3 | 0.05 | +http://fulltext.sblog.cz/ |
| 34 | 7 | 0.03 | 1 | 0.02 | +https://www.mojeek.com/bot.html |
| 35 | 7 | 0.03 | 4 | 0.06 | Android 2.3.5 |
| 36 | 6 | 0.03 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 37 | 6 | 0.03 | 3 | 0.05 | +http://www.meanpath.com/meanpathbot.htm... |
| 38 | 5 | 0.02 | 1 | 0.02 | +http://webmeup-crawler.com/ |
| 39 | 4 | 0.02 | 1 | 0.02 | Windows Phone 8.0; Trident/6.0; IEMobile... |
| 40 | 4 | 0.02 | 4 | 0.06 | +http://domainsigma.com/robot |
| 41 | 3 | 0.01 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 42 | 3 | 0.01 | 3 | 0.05 | Linux i586 [unknown version] |
| 43 | 2 | 0.01 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 44 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 45 | 2 | 0.01 | 1 | 0.02 | +http://gimme60.com |
| 46 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 47 | 2 | 0.01 | 0 | 0.00 | Nintendo Wii |
| 48 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 49 | 1 | 0.00 | 1 | 0.02 | Macintosh PPC |
| 50 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
