| Used Operating Systems |
| 1 | 39839 | 38.09 | 8691 | 64.71 | +http://www.baidu.com/search/spider.html |
| 2 | 23996 | 22.94 | 1248 | 9.29 | Windows NT |
| 3 | 22191 | 21.22 | 271 | 2.02 | http://www.majestic12.co.uk/bot.php?+ |
| 4 | 8518 | 8.14 | 867 | 6.46 | +http://www.bing.com/bingbot.htm |
| 5 | 2116 | 2.02 | 1043 | 7.77 | +http://www.google.com/bot.html |
| 6 | 1239 | 1.18 | 178 | 1.33 | +http://yandex.com/bots |
| 7 | 1150 | 1.10 | 159 | 1.18 | +http://napoveda.seznam.cz/en/seznambot-... |
| 8 | 911 | 0.87 | 2 | 0.01 | http://crawler.007ac9.net/ |
| 9 | 858 | 0.82 | 3 | 0.02 | +http://OpenLinkProfiler.org/bot |
| 10 | 843 | 0.81 | 222 | 1.65 | http://help.yahoo.com/help/us/ysearch/sl... |
| 11 | 433 | 0.41 | 53 | 0.39 | +http://www.semrush.com/bot.html |
| 12 | 413 | 0.39 | 3 | 0.02 | Linux [unknown version] |
| 13 | 268 | 0.26 | 209 | 1.56 | +http://ahrefs.com/robot/ |
| 14 | 222 | 0.21 | 5 | 0.04 | X11 |
| 15 | 215 | 0.21 | 57 | 0.42 | +http://www.linkdex.com/bots/ |
| 16 | 212 | 0.20 | 1 | 0.01 | +http://megaindex.com/crawler |
| 17 | 184 | 0.18 | 3 | 0.02 | +http://webmeup-crawler.com/ |
| 18 | 170 | 0.16 | 37 | 0.28 | Windows 98 |
| 19 | 141 | 0.13 | 62 | 0.46 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 20 | 104 | 0.10 | 48 | 0.36 | +http://duckduckgo.com |
| 21 | 101 | 0.10 | 24 | 0.18 | +http://fulltext.sblog.cz/ |
| 22 | 84 | 0.08 | 59 | 0.44 | Windows 95 |
| 23 | 67 | 0.06 | 23 | 0.17 | +http://www.exabot.com/go/robot |
| 24 | 50 | 0.05 | 17 | 0.13 | Windows XP |
| 25 | 37 | 0.04 | 1 | 0.01 | Android |
| 26 | 32 | 0.03 | 4 | 0.03 | +http://www.seokicks.de/robot.html |
| 27 | 29 | 0.03 | 28 | 0.21 | +http://www.uptime.com/uptimebot |
| 28 | 21 | 0.02 | 13 | 0.10 | Windows 2000 |
| 29 | 17 | 0.02 | 14 | 0.10 | Windows ME |
| 30 | 17 | 0.02 | 17 | 0.13 | +http://www.xovibot.net/ |
| 31 | 15 | 0.01 | 13 | 0.10 | Windows CE |
| 32 | 14 | 0.01 | 12 | 0.09 | Auto; Windows |
| 33 | 12 | 0.01 | 1 | 0.01 | +https://www.dataprovider.com/ |
| 34 | 11 | 0.01 | 9 | 0.07 | MSIE 5.5; Windows NT 5.0 |
| 35 | 10 | 0.01 | 0 | 0.00 | Windows 9x |
| 36 | 10 | 0.01 | 9 | 0.07 | MSIE 5.5; Windows NT 4.0 |
| 37 | 9 | 0.01 | 9 | 0.07 | ) - BrowseX (2.0.0 Windows |
| 38 | 7 | 0.01 | 6 | 0.04 | Windows 3.1 |
| 39 | 4 | 0.00 | 0 | 0.00 | WinHttp.WinHttpRequest.5 |
| 40 | 2 | 0.00 | 0 | 0.00 | OS/2 |
| 41 | 2 | 0.00 | 1 | 0.01 | http://www.botje.com/plukkie.htm |
| 42 | 2 | 0.00 | 1 | 0.01 | +info@netcraft.com |
| 43 | 2 | 0.00 | 2 | 0.01 | Linux i686 [unknown version] |
| 44 | 2 | 0.00 | 2 | 0.01 | Windows Phone OS 7.0; Trident/3.1; IEMob... |
| 45 | 2 | 0.00 | 1 | 0.01 | Macintosh |
| 46 | 2 | 0.00 | 1 | 0.01 | +http://siteexplorer.info/ |
| 47 | 1 | 0.00 | 1 | 0.01 | http://nmap.org/book/nse.html |
| 48 | 1 | 0.00 | 1 | 0.01 | +https://gimmeusa.com/crawler.html |
| 49 | 1 | 0.00 | 0 | 0.00 | http://drive.google.com |
| 50 | 1 | 0.00 | 0 | 0.00 | Linux 2.6.x |
