| Used Operating Systems |
| 1 | 30506 | 73.69 | 1754 | 32.20 | Windows NT |
| 2 | 2753 | 6.65 | 2317 | 42.53 | +http://www.baidu.com/search/spider.html |
| 3 | 2654 | 6.41 | 437 | 8.02 | +http://www.bing.com/bingbot.htm |
| 4 | 1089 | 2.63 | 58 | 1.06 | http://www.majestic12.co.uk/bot.php?+ |
| 5 | 1058 | 2.56 | 168 | 3.08 | +http://www.google.com/bot.html |
| 6 | 817 | 1.97 | 274 | 5.03 | +http://ahrefs.com/robot/ |
| 7 | 599 | 1.45 | 135 | 2.48 | ezooms.bot@gmail.com |
| 8 | 490 | 1.18 | 98 | 1.80 | +http://yandex.com/bots |
| 9 | 248 | 0.60 | 8 | 0.15 | http://crawler.sistrix.net/ |
| 10 | 206 | 0.50 | 40 | 0.73 | +http://shoulu.jike.com/spider.html |
| 11 | 162 | 0.39 | 20 | 0.37 | +http://www.exabot.com/go/robot |
| 12 | 161 | 0.39 | 12 | 0.22 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 104 | 0.25 | 8 | 0.15 | Intel Mac OS X 10.6 |
| 14 | 94 | 0.23 | 2 | 0.04 | http://www.searchmetrics.com/en/searchme... |
| 15 | 86 | 0.21 | 2 | 0.04 | +http://www.warebay.com/bot.html |
| 16 | 38 | 0.09 | 33 | 0.61 | Linux [unknown version] |
| 17 | 38 | 0.09 | 4 | 0.07 | +http://domains.checkparams.com/ |
| 18 | 35 | 0.08 | 19 | 0.35 | +http://4seohunt.com/bot.html |
| 19 | 34 | 0.08 | 1 | 0.02 | Windows Phone OS 7.5 |
| 20 | 29 | 0.07 | 1 | 0.02 | Intel Mac OS X 10.5 |
| 21 | 25 | 0.06 | 0 | 0.00 | PPC Mac OS X 10.5 |
| 22 | 21 | 0.05 | 4 | 0.07 | http://www.botje.com/plukkie.htm |
| 23 | 19 | 0.05 | 9 | 0.17 | Windows 98 |
| 24 | 14 | 0.03 | 4 | 0.07 | +http://www.openindex.io/en/webmasters/s... |
| 25 | 12 | 0.03 | 2 | 0.04 | +http://go.mail.ru/help/robots |
| 26 | 12 | 0.03 | 4 | 0.07 | ScoutJet; +http://blekko.com/about/blekk... |
| 27 | 10 | 0.02 | 0 | 0.00 | Intel Mac OS X 10.4 |
| 28 | 10 | 0.02 | 2 | 0.04 | Windows XP |
| 29 | 9 | 0.02 | 0 | 0.00 | http://desktop.google.com/ |
| 30 | 8 | 0.02 | 4 | 0.07 | crawler@unister.de |
| 31 | 8 | 0.02 | 0 | 0.00 | +http://www.acoon.de/robot.asp |
| 32 | 7 | 0.02 | 7 | 0.13 | Linux i686 [unknown version] |
| 33 | 6 | 0.01 | 0 | 0.00 | Windows 9. |
| 34 | 6 | 0.01 | 4 | 0.07 | +info@netcraft.com |
| 35 | 4 | 0.01 | 4 | 0.07 | http://support.paper.li/entries/20023257... |
| 36 | 4 | 0.01 | 2 | 0.04 | Windows 95 |
| 37 | 4 | 0.01 | 1 | 0.02 | X11 |
| 38 | 3 | 0.01 | 2 | 0.04 | MSIE 5.5; Windows NT 5.0 |
| 39 | 3 | 0.01 | 2 | 0.04 | +http://www.procog.com/spider.html |
| 40 | 2 | 0.00 | 2 | 0.04 | +http://www.netseer.com/crawler.html; cr... |
| 41 | 2 | 0.00 | 0 | 0.00 | +http://www.compspy.com/spider.html |
| 42 | 2 | 0.00 | 2 | 0.04 | +http://www.profound.net/sibot.html |
| 43 | 2 | 0.00 | 2 | 0.04 | Macintosh |
| 44 | 1 | 0.00 | 0 | 0.00 | PPC Mac OS X 10.4 |
| 45 | 1 | 0.00 | 0 | 0.00 | +http://www.proximic.com/info/spider.php |
