| Used Operating Systems |
| 1 | 12614 | 57.32 | 3058 | 64.38 | Windows NT |
| 2 | 4523 | 20.55 | 104 | 2.19 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 1979 | 8.99 | 206 | 4.34 | +http://yandex.com/bots |
| 4 | 656 | 2.98 | 255 | 5.37 | +http://www.bing.com/bingbot.htm |
| 5 | 467 | 2.12 | 233 | 4.91 | +http://www.google.com/bot.html |
| 6 | 329 | 1.49 | 236 | 4.97 | +http://www.baidu.com/search/spider.html |
| 7 | 215 | 0.98 | 170 | 3.58 | Windows 95 |
| 8 | 161 | 0.73 | 47 | 0.99 | Windows 98 |
| 9 | 83 | 0.38 | 21 | 0.44 | X11 |
| 10 | 82 | 0.37 | 33 | 0.69 | +http://www.semrush.com/bot.html |
| 11 | 72 | 0.33 | 8 | 0.17 | +http://fulltext.sblog.cz/ |
| 12 | 66 | 0.30 | 27 | 0.57 | +http://ahrefs.com/robot/ |
| 13 | 57 | 0.26 | 8 | 0.17 | http://www.opensiteexplorer.org/dotbot, ... |
| 14 | 54 | 0.25 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 15 | 51 | 0.23 | 7 | 0.15 | Linux i686 [unknown version] |
| 16 | 39 | 0.18 | 12 | 0.25 | +http://www.exabot.com/go/robot |
| 17 | 38 | 0.17 | 9 | 0.19 | Windows XP |
| 18 | 38 | 0.17 | 28 | 0.59 | Windows 3.1 |
| 19 | 37 | 0.17 | 33 | 0.69 | Windows 2000 |
| 20 | 36 | 0.16 | 35 | 0.74 | Windows CE |
| 21 | 35 | 0.16 | 33 | 0.69 | MSIE 5.5; Windows NT 5.0 |
| 22 | 35 | 0.16 | 31 | 0.65 | ) - BrowseX (2.0.0 Windows |
| 23 | 35 | 0.16 | 29 | 0.61 | MSIE 5.5; Windows NT 4.0 |
| 24 | 34 | 0.15 | 29 | 0.61 | Windows ME |
| 25 | 34 | 0.15 | 4 | 0.08 | Android 2.3.5 |
| 26 | 32 | 0.15 | 12 | 0.25 | +http://www.linkdex.com/bots/ |
| 27 | 30 | 0.14 | 1 | 0.02 | +https://www.aihitdata.com/about |
| 28 | 29 | 0.13 | 15 | 0.32 | http://help.yahoo.com/help/us/ysearch/sl... |
| 29 | 29 | 0.13 | 13 | 0.27 | +http://help.coccoc.com/ |
| 30 | 27 | 0.12 | 26 | 0.55 | Auto; Windows |
| 31 | 26 | 0.12 | 1 | 0.02 | +http://megaindex.com/crawler |
| 32 | 15 | 0.07 | 1 | 0.02 | http://www.searchmetrics.com/en/searchme... |
| 33 | 13 | 0.06 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 34 | 10 | 0.05 | 5 | 0.11 | +http://www.meanpath.com/meanpathbot.htm... |
| 35 | 8 | 0.04 | 4 | 0.08 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 36 | 5 | 0.02 | 3 | 0.06 | +http://gimmeusa-update.com/crawler |
| 37 | 3 | 0.01 | 2 | 0.04 | +http://www.xovibot.net/ |
| 38 | 2 | 0.01 | 1 | 0.02 | +info@netcraft.com |
| 39 | 2 | 0.01 | 1 | 0.02 | +http://duckduckgo.com |
| 40 | 1 | 0.00 | 1 | 0.02 | +http://www.seograph.net/bot.html |
| 41 | 1 | 0.00 | 1 | 0.02 | PPC Mac OS X Mach-O |
| 42 | 1 | 0.00 | 1 | 0.02 | http://nmap.org/book/nse.html |
| 43 | 1 | 0.00 | 1 | 0.02 | Linux i586 [unknown version] |
| 44 | 1 | 0.00 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 45 | 1 | 0.00 | 1 | 0.02 | FreeBSD [unknown version] |
