| Used Operating Systems |
| 1 | 5349 | 57.40 | 2813 | 69.91 | Windows NT |
| 2 | 1308 | 14.04 | 28 | 0.70 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 975 | 10.46 | 280 | 6.96 | +http://ahrefs.com/robot/ |
| 4 | 334 | 3.58 | 184 | 4.57 | +http://www.bing.com/bingbot.htm |
| 5 | 324 | 3.48 | 293 | 7.28 | +http://www.baidu.com/search/spider.html |
| 6 | 318 | 3.41 | 165 | 4.10 | +http://www.google.com/bot.html |
| 7 | 216 | 2.32 | 51 | 1.27 | +http://yandex.com/bots |
| 8 | 101 | 1.08 | 36 | 0.89 | +http://www.linkdex.com/bots/ |
| 9 | 49 | 0.53 | 15 | 0.37 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 33 | 0.35 | 25 | 0.62 | Windows 95 |
| 11 | 32 | 0.34 | 16 | 0.40 | Linux i686 [unknown version] |
| 12 | 29 | 0.31 | 16 | 0.40 | X11 |
| 13 | 24 | 0.26 | 5 | 0.12 | Windows 2000 |
| 14 | 24 | 0.26 | 5 | 0.12 | Windows 98 |
| 15 | 20 | 0.21 | 9 | 0.22 | http://www.opensiteexplorer.org/dotbot, ... |
| 16 | 18 | 0.19 | 4 | 0.10 | +http://OpenLinkProfiler.org/bot |
| 17 | 16 | 0.17 | 8 | 0.20 | +http://www.meanpath.com/meanpathbot.htm... |
| 18 | 15 | 0.16 | 12 | 0.30 | Windows ME |
| 19 | 15 | 0.16 | 6 | 0.15 | Windows 3.1 |
| 20 | 14 | 0.15 | 4 | 0.10 | ) - BrowseX (2.0.0 Windows |
| 21 | 8 | 0.09 | 2 | 0.05 | Win32 |
| 22 | 8 | 0.09 | 3 | 0.07 | Auto; Windows |
| 23 | 8 | 0.09 | 2 | 0.05 | +https://www.lipperhey.com/en/about/ |
| 24 | 7 | 0.08 | 3 | 0.07 | Windows XP |
| 25 | 7 | 0.08 | 4 | 0.10 | Android 2.3.5 |
| 26 | 7 | 0.08 | 2 | 0.05 | MSIE 5.5; Windows NT 4.0 |
| 27 | 6 | 0.06 | 3 | 0.07 | Linux [unknown version] |
| 28 | 6 | 0.06 | 2 | 0.05 | +https://www.aihitdata.com/about |
| 29 | 5 | 0.05 | 5 | 0.12 | Windows CE |
| 30 | 5 | 0.05 | 5 | 0.12 | +http://www.domaintuno.com/robot |
| 31 | 5 | 0.05 | 2 | 0.05 | +http://gimme60.com |
| 32 | 5 | 0.05 | 5 | 0.12 | +http://domainsigma.com/robot |
| 33 | 4 | 0.04 | 2 | 0.05 | +http://duckduckgo.com |
| 34 | 3 | 0.03 | 1 | 0.02 | crawler@mixrank.com |
| 35 | 3 | 0.03 | 1 | 0.02 | http://help.yahoo.com/help/us/ysearch/sl... |
| 36 | 3 | 0.03 | 1 | 0.02 | MSIE 5.5; Windows NT 5.0 |
| 37 | 3 | 0.03 | 2 | 0.05 | +info@netcraft.com |
| 38 | 3 | 0.03 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 39 | 2 | 0.02 | 2 | 0.05 | +http://www.grapeshot.co.uk/crawler.php |
| 40 | 2 | 0.02 | 0 | 0.00 | +http://fulltext.sblog.cz/ |
| 41 | 2 | 0.02 | 1 | 0.02 | +http://advbot.org/bot.html |
| 42 | 1 | 0.01 | 0 | 0.00 | i686 Linux; 20020615 |
| 43 | 1 | 0.01 | 1 | 0.02 | +; |
| 44 | 1 | 0.01 | 0 | 0.00 | AnyEvent-HTTP/2.21; +http://software.sch... |
