| Used Operating Systems |
| 1 | 25122 | 63.10 | 387 | 5.32 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 4255 | 10.69 | 2088 | 28.70 | Windows NT |
| 3 | 2789 | 7.01 | 743 | 10.21 | +http://ahrefs.com/robot/ |
| 4 | 2464 | 6.19 | 2178 | 29.94 | +http://www.baidu.com/search/spider.html |
| 5 | 2177 | 5.47 | 854 | 11.74 | +http://www.google.com/bot.html |
| 6 | 617 | 1.55 | 117 | 1.61 | +http://yandex.com/bots |
| 7 | 546 | 1.37 | 207 | 2.85 | +http://www.bing.com/bingbot.htm |
| 8 | 491 | 1.23 | 127 | 1.75 | http://www.opensiteexplorer.org/dotbot, ... |
| 9 | 370 | 0.93 | 106 | 1.46 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 10 | 368 | 0.92 | 243 | 3.34 | +http://www.linkdex.com/bots/ |
| 11 | 68 | 0.17 | 24 | 0.33 | Windows 98 |
| 12 | 49 | 0.12 | 19 | 0.26 | Windows 95 |
| 13 | 48 | 0.12 | 22 | 0.30 | MSIE 5.5; Windows NT 5.0 |
| 14 | 43 | 0.11 | 5 | 0.07 | +http://fulltext.sblog.cz/ |
| 15 | 38 | 0.10 | 17 | 0.23 | http://help.yahoo.com/help/us/ysearch/sl... |
| 16 | 34 | 0.09 | 19 | 0.26 | +http://www.semrush.com/bot.html |
| 17 | 32 | 0.08 | 9 | 0.12 | +http://www.exabot.com/go/robot |
| 18 | 24 | 0.06 | 12 | 0.16 | +http://www.meanpath.com/meanpathbot.htm... |
| 19 | 21 | 0.05 | 10 | 0.14 | +http://www.easou.com/search/spider.html |
| 20 | 21 | 0.05 | 6 | 0.08 | Windows ME |
| 21 | 20 | 0.05 | 2 | 0.03 | +http://OpenLinkProfiler.org/bot |
| 22 | 20 | 0.05 | 2 | 0.03 | +http://www.aihitdata.com/about |
| 23 | 18 | 0.05 | 8 | 0.11 | Windows CE |
| 24 | 17 | 0.04 | 7 | 0.10 | Windows 2000 |
| 25 | 16 | 0.04 | 1 | 0.01 | +http://webmeup-crawler.com/ |
| 26 | 14 | 0.04 | 7 | 0.10 | +http://help.coccoc.com/ |
| 27 | 14 | 0.04 | 6 | 0.08 | MSIE 5.5; Windows NT 4.0 |
| 28 | 12 | 0.03 | 2 | 0.03 | Linux [unknown version] |
| 29 | 11 | 0.03 | 1 | 0.01 | http://www.lipperhey.com/ |
| 30 | 8 | 0.02 | 2 | 0.03 | +http://u2search.co |
| 31 | 8 | 0.02 | 2 | 0.03 | +http://prox100download.com |
| 32 | 8 | 0.02 | 2 | 0.03 | +http://t2downloads.xyz |
| 33 | 8 | 0.02 | 2 | 0.03 | +http://r4downloads.co |
| 34 | 6 | 0.02 | 2 | 0.03 | Windows 3.1 |
| 35 | 6 | 0.02 | 4 | 0.05 | X11 |
| 36 | 5 | 0.01 | 5 | 0.07 | +http://pmoz.info/doc/botinfo.htm |
| 37 | 4 | 0.01 | 4 | 0.05 | Intel Mac OS X 10.5 |
| 38 | 4 | 0.01 | 2 | 0.03 | +https://www.mojeek.com/bot.html |
| 39 | 4 | 0.01 | 2 | 0.03 | +info@netcraft.com |
| 40 | 4 | 0.01 | 2 | 0.03 | +http://botw.org |
| 41 | 4 | 0.01 | 2 | 0.03 | ) - BrowseX (2.0.0 Windows |
| 42 | 3 | 0.01 | 3 | 0.04 | +http://fb02itsscan.fh-muenster.de |
| 43 | 3 | 0.01 | 1 | 0.01 | +http://www.xovibot.net/ |
| 44 | 3 | 0.01 | 1 | 0.01 | +http://alphaphitote.com |
| 45 | 3 | 0.01 | 0 | 0.00 | Intel Mac OS X 10.6 |
| 46 | 2 | 0.01 | 0 | 0.00 | Wayback Machine Live Record; +http://arc... |
| 47 | 2 | 0.01 | 2 | 0.03 | PPC Mac OS X Mach-O |
| 48 | 2 | 0.01 | 2 | 0.03 | Android 2.3.5 |
| 49 | 2 | 0.01 | 2 | 0.03 | +http://wmaid.com/en/explore/ |
| 50 | 1 | 0.00 | 1 | 0.01 | Auto; Windows |
| 51 | 1 | 0.00 | 1 | 0.01 | Windows XP |
| 52 | 1 | 0.00 | 1 | 0.01 | +http://www.linkpad.ru |
| 53 | 1 | 0.00 | 1 | 0.01 | Linux i686 [unknown version] |
