| Used Operating Systems |
| 1 | 7287 | 42.67 | 3045 | 54.20 | Windows NT |
| 2 | 5143 | 30.12 | 71 | 1.26 | http://www.majestic12.co.uk/bot.php?+ |
| 3 | 970 | 5.68 | 738 | 13.14 | +http://www.baidu.com/search/spider.html |
| 4 | 908 | 5.32 | 520 | 9.26 | +http://www.google.com/bot.html |
| 5 | 534 | 3.13 | 220 | 3.92 | +http://www.bing.com/bingbot.htm |
| 6 | 328 | 1.92 | 164 | 2.92 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 7 | 323 | 1.89 | 13 | 0.23 | http://www.opensiteexplorer.org/dotbot, ... |
| 8 | 272 | 1.59 | 208 | 3.70 | Windows 95 |
| 9 | 203 | 1.19 | 31 | 0.55 | Windows 98 |
| 10 | 118 | 0.69 | 38 | 0.68 | +http://www.linkdex.com/bots/ |
| 11 | 98 | 0.57 | 48 | 0.85 | +http://ahrefs.com/robot/ |
| 12 | 95 | 0.56 | 32 | 0.57 | +http://yandex.com/bots |
| 13 | 77 | 0.45 | 42 | 0.75 | Linux i686 [unknown version] |
| 14 | 58 | 0.34 | 44 | 0.78 | Windows ME |
| 15 | 58 | 0.34 | 49 | 0.87 | MSIE 5.5; Windows NT 4.0 |
| 16 | 56 | 0.33 | 50 | 0.89 | Windows CE |
| 17 | 55 | 0.32 | 46 | 0.82 | Windows 2000 |
| 18 | 55 | 0.32 | 1 | 0.02 | Windows XP |
| 19 | 53 | 0.31 | 45 | 0.80 | ) - BrowseX (2.0.0 Windows |
| 20 | 52 | 0.30 | 40 | 0.71 | Windows 3.1 |
| 21 | 52 | 0.30 | 45 | 0.80 | MSIE 5.5; Windows NT 5.0 |
| 22 | 51 | 0.30 | 50 | 0.89 | Auto; Windows |
| 23 | 29 | 0.17 | 3 | 0.05 | +http://webmeup-crawler.com/ |
| 24 | 23 | 0.13 | 9 | 0.16 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 16 | 0.09 | 8 | 0.14 | Win32 |
| 26 | 14 | 0.08 | 2 | 0.04 | +https://www.aihitdata.com/about |
| 27 | 13 | 0.08 | 7 | 0.12 | Linux [unknown version] |
| 28 | 12 | 0.07 | 2 | 0.04 | +http://OpenLinkProfiler.org/bot |
| 29 | 11 | 0.06 | 4 | 0.07 | X11 |
| 30 | 10 | 0.06 | 5 | 0.09 | +http://help.coccoc.com/ |
| 31 | 10 | 0.06 | 5 | 0.09 | +http://www.exabot.com/go/robot |
| 32 | 8 | 0.05 | 2 | 0.04 | +http://www.profound.net/domainappender |
| 33 | 8 | 0.05 | 4 | 0.07 | +http://www.meanpath.com/meanpathbot.htm... |
| 34 | 8 | 0.05 | 2 | 0.04 | +http://advbot.org/bot.html |
| 35 | 7 | 0.04 | 1 | 0.02 | AOL 9.7; AOLBuild 4343.1028; Windows NT ... |
| 36 | 6 | 0.04 | 3 | 0.05 | http://www.bing.com/bingbot.htm |
| 37 | 6 | 0.04 | 1 | 0.02 | +https://www.lipperhey.com/en/about/ |
| 38 | 6 | 0.04 | 0 | 0.00 | Win32; Trident/7.0 |
| 39 | 5 | 0.03 | 5 | 0.09 | +http://www.domaintuno.com/robot |
| 40 | 4 | 0.02 | 1 | 0.02 | crawler@mixrank.com |
| 41 | 4 | 0.02 | 0 | 0.00 | Android 2.3.5 |
| 42 | 4 | 0.02 | 3 | 0.05 | +info@netcraft.com |
| 43 | 4 | 0.02 | 1 | 0.02 | +http://www.findxbot.com |
| 44 | 4 | 0.02 | 1 | 0.02 | +http://fulltext.sblog.cz/ |
| 45 | 4 | 0.02 | 2 | 0.04 | +http://duckduckgo.com |
| 46 | 3 | 0.02 | 3 | 0.05 | Linux i586 [unknown version] |
| 47 | 2 | 0.01 | 1 | 0.02 | +http://www.netseer.com/crawler.html; cr... |
| 48 | 2 | 0.01 | 0 | 0.00 | Win64; Trident/7.0 |
| 49 | 2 | 0.01 | 0 | 0.00 | +http://www.semrush.com/bot.html |
| 50 | 2 | 0.01 | 1 | 0.02 | +http://gimme60.com |
| 51 | 2 | 0.01 | 1 | 0.02 | ScoutJet; +http://blekko.com/about/blekk... |
| 52 | 1 | 0.01 | 1 | 0.02 | +http://www.grapeshot.co.uk/crawler.php |
| 53 | 1 | 0.01 | 0 | 0.00 | +http://www.xovibot.net/ |
