| Used Operating Systems |
| 1 | 3357 | 38.90 | 831 | 21.48 | Windows NT |
| 2 | 2084 | 24.15 | 1887 | 48.78 | +http://www.baidu.com/search/spider.html |
| 3 | 1001 | 11.60 | 374 | 9.67 | +http://www.bing.com/bingbot.htm |
| 4 | 416 | 4.82 | 135 | 3.49 | +http://www.google.com/bot.html |
| 5 | 323 | 3.74 | 47 | 1.22 | http://www.majestic12.co.uk/bot.php?+ |
| 6 | 298 | 3.45 | 28 | 0.72 | +http://yandex.com/bots |
| 7 | 225 | 2.61 | 148 | 3.83 | +http://ahrefs.com/robot/ |
| 8 | 156 | 1.81 | 61 | 1.58 | ezooms.bot@gmail.com |
| 9 | 124 | 1.44 | 124 | 3.21 | http://www.yodao.com/help/webmaster/spid... |
| 10 | 88 | 1.02 | 46 | 1.19 | +http://www.acoon.de/robot.asp |
| 11 | 78 | 0.90 | 29 | 0.75 | +http://www.semrush.com/bot.html |
| 12 | 77 | 0.89 | 68 | 1.76 | +http://help.soso.com/webspider.htm |
| 13 | 75 | 0.87 | 9 | 0.23 | +http://siteexplorer.info/ |
| 14 | 74 | 0.86 | 19 | 0.49 | +http://shoulu.jike.com/spider.html |
| 15 | 44 | 0.51 | 2 | 0.05 | X11 |
| 16 | 44 | 0.51 | 2 | 0.05 | PPC Mac OS X 10.5 |
| 17 | 31 | 0.36 | 16 | 0.41 | +http://www.exabot.com/go/robot |
| 18 | 17 | 0.20 | 1 | 0.03 | PPC Mac OS X 10.4 |
| 19 | 16 | 0.19 | 2 | 0.05 | +http://www.profound.net/urlappendbot.ht... |
| 20 | 14 | 0.16 | 1 | 0.03 | bot@language-tools.com |
| 21 | 12 | 0.14 | 6 | 0.16 | +http://help.coccoc.com/ |
| 22 | 10 | 0.12 | 5 | 0.13 | http://crawler.sistrix.net/ |
| 23 | 9 | 0.10 | 1 | 0.03 | crawler@nigma.ru |
| 24 | 7 | 0.08 | 0 | 0.00 | http://help.yahoo.com/help/us/ysearch/sl... |
| 25 | 7 | 0.08 | 3 | 0.08 | +http://www.easou.com/search/spider.html |
| 26 | 6 | 0.07 | 6 | 0.16 | +http://pmoz.info/doc/botinfo.htm |
| 27 | 6 | 0.07 | 2 | 0.05 | +http://www.yunyun.com/spider.html |
| 28 | 5 | 0.06 | 4 | 0.10 | +info@netcraft.com |
| 29 | 4 | 0.05 | 0 | 0.00 | +http://www.luminate.com/bot/ |
| 30 | 3 | 0.03 | 1 | 0.03 | +http://www.compspy.com/spider.html |
| 31 | 2 | 0.02 | 1 | 0.03 | J2ME/MIDP |
| 32 | 2 | 0.02 | 2 | 0.05 | Linux [unknown version] |
| 33 | 2 | 0.02 | 1 | 0.03 | Windows XP |
| 34 | 2 | 0.02 | 2 | 0.05 | Socialradarbot/2.0; en-US; bot@infegy.co... |
| 35 | 2 | 0.02 | 1 | 0.03 | +http://webmeup.com/crawler.html |
| 36 | 2 | 0.02 | 0 | 0.00 | Windows 98 |
| 37 | 2 | 0.02 | 1 | 0.03 | ScoutJet; +http://blekko.com/about/blekk... |
| 38 | 1 | 0.01 | 0 | 0.00 | Macintosh PPC |
| 39 | 1 | 0.01 | 1 | 0.03 | Mail.RU_Bot/2.0; +http://go.mail.ru/help... |
| 40 | 1 | 0.01 | 0 | 0.00 | Mac_PowerPC; en |
| 41 | 1 | 0.01 | 1 | 0.03 | Linux i686 [unknown version] |
